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Homosexuality is romantic attraction,
sexual attraction Sexual attraction is attraction on the basis of sexual desire or the quality of arousing such interest. Sexual attractiveness or sex appeal is an individual's ability to attract other people sexually, and is a factor in sexual selection or ...
, or sexual behavior between members of the same sex or
gender Gender is the range of characteristics pertaining to femininity and masculinity and differentiating between them. Depending on the context, this may include sex-based social structures (i.e. gender roles) and gender identity. Most culture ...
. As a
sexual orientation Sexual orientation is an enduring pattern of romantic or sexual attraction (or a combination of these) to persons of the opposite sex or gender, the same sex or gender, or to both sexes or more than one gender. These attractions are generall ...
, homosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" to people of the same sex. It "also refers to a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions." Along with
bisexuality Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, ...
and
heterosexuality Heterosexuality is romantic attraction, sexual attraction or sexual behavior between people of the opposite sex or gender. As a sexual orientation, heterosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" ...
, homosexuality is one of the three main categories of sexual orientation within the heterosexual–homosexual continuum. Scientists do not yet know the exact cause of sexual orientation, but they theorize that it is caused by a complex interplay of genetic, hormonal, and
environmental influences A biophysical environment is a biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. A biophysical environment can vary in scale f ...
and do not view it as a choice. Although no single theory on the cause of sexual orientation has yet gained widespread support, scientists favor biologically based theories. There is considerably more evidence supporting nonsocial, biological causes of sexual orientation than social ones, especially for males. There is no substantive evidence which suggests parenting or early childhood experiences play a role with regard to sexual orientation. While some people believe that homosexual activity is unnatural, scientific research shows that homosexuality is a normal and natural variation in
human sexuality Human sexuality is the way people experience and express themselves sexually. This involves biological, psychological, physical, erotic, emotional, social, or spiritual feelings and behaviors. Because it is a broad term, which has varied ...
and is not in and of itself a source of negative psychological effects. There is insufficient evidence to support the use of psychological interventions to change sexual orientation. The most common adjectives for homosexual people are ''
lesbian A lesbian is a Homosexuality, homosexual woman.Zimmerman, p. 453. The word is also used for women in relation to their sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate n ...
'' for females and '' gay'' for males, but the term ''gay'' also commonly refers to both homosexual females and males. The percentage of people who are gay or lesbian and the proportion of people who are in same-sex romantic relationships or have had same-sex sexual experiences are difficult for researchers to estimate reliably for a variety of reasons, including many gay and lesbian people not openly identifying as such due to
prejudice Prejudice can be an affective feeling towards a person based on their perceived group membership. The word is often used to refer to a preconceived (usually unfavourable) evaluation or classification of another person based on that person's per ...
or
discrimination Discrimination is the act of making unjustified distinctions between people based on the groups, classes, or other categories to which they belong or are perceived to belong. People may be discriminated on the basis of Racial discrimination, r ...
such as homophobia and heterosexism. LeVay, Simon (1996).
Queer Science: The Use and Abuse of Research into Homosexuality
.'' Cambridge: The MIT Press
Homosexual behavior has also been documented in many non-human animal species, though humans are one of only two species known to exhibit a homosexual orientation. Many gay and lesbian people are in committed same-sex relationships. These relationships are equivalent to heterosexual relationships in essential psychological respects. Homosexual relationships and acts have been admired, as well as condemned, throughout
recorded history Recorded history or written history describes the historical events that have been recorded in a written form or other documented communication which are subsequently evaluated by historians using the historical method. For broader world his ...
, depending on the form they took and the culture in which they occurred.Sexual Orientation
. ''American Psychiatric Association''.
Since the end of the 20th century, there has been a global movement towards freedom and equality for gay people, including the introduction of
anti-bullying legislation Anti-bullying legislation is a legislation enacted to help reduce and eliminate bullying. This legislation may be national or sub-national and is commonly aimed at ending bullying in schools or workplaces. According to one study, state-level anti- ...
to protect gay children at school, legislation ensuring non-discrimination, equal ability to serve in the military, equal access to health care, equal ability to
adopt Adoption is a process whereby a person assumes the parenting of another, usually a child, from that person's biological or legal parent or parents. Legal adoptions permanently transfer all rights and responsibilities, along with filiation, from ...
and parent, and the establishment of marriage equality.


Etymology

The word ''homosexual'' is a Greek and Latin hybrid, with the first element derived from Greek ὁμός ''homos'', "same" (not related to the Latin ''homo'', "man", as in ''Homo sapiens''), thus connoting sexual acts and affections between members of the same sex, including lesbianism. The first known appearance of ''homosexual'' in print is found in an 1868 letter to Karl Heinrich Ulrichs by the Austrian-born novelist Karl-Maria Kertbeny. arguing against a Prussian anti- sodomy law. In 1886, the psychiatrist Richard von Krafft-Ebing used the terms ''homosexual'' and ''heterosexual'' in his book '' Psychopathia Sexualis''. Krafft-Ebing's book was so popular among both laymen and doctors that the terms ''heterosexual'' and ''homosexual'' became the most widely accepted terms for sexual orientation. As such, the current use of the term has its roots in the broader 19th-century tradition of personality taxonomy. Many modern
style guide A style guide or manual of style is a set of standards for the writing, formatting, and design of documents. It is often called a style sheet, although that term also has multiple other meanings. The standards can be applied either for gene ...
s in the U.S. recommend against using ''homosexual'' as a noun, instead using ''gay man'' or ''lesbian''. Similarly, some recommend completely avoiding usage of ''homosexual'' as it has a negative, clinical history and because the word only refers to one's sexual behavior (as opposed to romantic feelings) and thus it has a negative
connotation A connotation is a commonly understood cultural or emotional association that any given word or phrase carries, in addition to its explicit or literal meaning, which is its denotation. A connotation is frequently described as either positive ...
. ''Gay'' and ''lesbian'' are the most common alternatives. The first letters are frequently combined to create the
initialism An acronym is a word or name formed from the initial components of a longer name or phrase. Acronyms are usually formed from the initial letters of words, as in ''NATO'' (''North Atlantic Treaty Organization''), but sometimes use syllables, as ...
LGBT (sometimes written as GLBT), in which ''B'' and ''T'' refer to bisexual and
transgender A transgender (often abbreviated as trans) person is someone whose gender identity or gender expression does not correspond with their sex assigned at birth. Many transgender people experience dysphoria, which they seek to alleviate through ...
people. ''Gay'' especially refers to male homosexuality, but may be used in a broader sense to refer to all
LGBT ' is an initialism that stands for lesbian, gay, bisexual, and transgender. In use since the 1990s, the initialism, as well as some of its common variants, functions as an umbrella term for sexuality and gender identity. The LGBT term ...
people. In the context of sexuality, ''lesbian'' refers only to female homosexuality. The word ''lesbian'' is derived from the name of the Greek island Lesbos, where the poet Sappho wrote largely about her emotional relationships with young women. Although early writers also used the adjective ''homosexual'' to refer to any single-sex context (such as an all-girls school), today the term is used exclusively in reference to sexual attraction, activity, and orientation. The term '' homosocial'' is now used to describe single-sex contexts that are not specifically sexual. There is also a word referring to same-sex love, '' homophilia''. Some synonyms for same-sex attraction or sexual activity include ''
men who have sex with men Men who have sex with men (MSM) are male persons who engage in sexual activity with members of the same sex. The term was created in the 1990s by epidemiologists to study the spread of disease among all men who have sex with men, regardless of ...
'' or ''MSM'' (used in the medical community when specifically discussing sexual activity) and ''
homoerotic Homoeroticism is sexual attraction between members of the same sex, either male–male or female–female. The concept differs from the concept of homosexuality: it refers specifically to the desire itself, which can be temporary, whereas "homo ...
'' (referring to works of art).
Pejorative A pejorative or slur is a word or grammatical form expressing a negative or a disrespectful connotation, a low opinion, or a lack of respect toward someone or something. It is also used to express criticism, hostility, or disregard. Sometimes, a ...
terms in English include '' queer'', ''
faggot Faggot, faggots, or faggoting may refer to: Arts and crafts * Faggoting (metalworking), forge welding a bundle of bars of iron and steel * Faggoting (knitting), variation of lace knitting in which every stitch is a yarn over or a decrease * ...
'', ''
fairy A fairy (also fay, fae, fey, fair folk, or faerie) is a type of mythical being or legendary creature found in the folklore of multiple European cultures (including Celtic, Slavic, Germanic, English, and French folklore), a form of spirit, ...
'', ''poof'', ''poofter'' and ''homo''. Beginning in the 1990s, some of these have been reclaimed as positive words by gay men and lesbians, as in the usage of queer studies, queer theory, and even the popular American television program '' Queer Eye for the Straight Guy''. The word ' occurs in many other languages without the pejorative connotations it has in English. As with ethnic slurs and racial slurs, the use of these terms can still be highly offensive. The range of acceptable use for these terms depends on the context and speaker. Conversely, ''gay'', a word originally embraced by homosexual men and women as a positive, affirmative term (as in gay liberation and
gay rights Rights affecting lesbian, gay, bisexual, and transgender (LGBT) people vary greatly by country or jurisdiction—encompassing everything from the legal recognition of same-sex marriage to the death penalty for homosexuality. Notably, , ...
), came into widespread pejorative use among young people in the early 2000s. The American
LGBT rights Rights affecting lesbian, gay, bisexual, and transgender ( LGBT) people vary greatly by country or jurisdiction—encompassing everything from the legal recognition of same-sex marriage to the death penalty for homosexuality. Notably, ...
organization GLAAD advises the media to avoid using the term ''homosexual'' to describe gay people or same-sex relationships as the term is "frequently used by anti-gay extremists to denigrate gay people, couples and relationships".


History

Some scholars argue that the term "homosexuality" is problematic when applied to ancient cultures since, for example, neither Greeks or Romans possessed any one word covering the same semantic range as the modern concept of "homosexuality". Nor did there exist a distinction of lifestyle or differentiation of psychological or behavioral profiles in the ancient world. However, there were diverse sexual practices that varied in acceptance depending on time and place. In ancient Greece, the pattern of adolescent boys engaging in sexual practices with older males did not constitute a homosexual identity in the modern sense since such relations were seen as phases in life, not permanent orientations, since later on the younger partners would commonly marry females and reproduce. Other scholars argue that there are significant continuities between ancient and modern homosexuality. The author has made adapted and expanded portions of this book available online a
''A Critique of Social Constructionism and Postmodern Queer Theory''
.
In a detailed compilation of
historical History (derived ) is the systematic study and the documentation of the human activity. The time period of event before the History of writing#Inventions of writing, invention of writing systems is considered prehistory. "History" is an umbr ...
and ethnographic materials of pre-industrial cultures, "strong disapproval of homosexuality was reported for 41% of 42 cultures; it was accepted or ignored by 21%, and 12% reported no such concept. Of 70 ethnographies, 59% reported homosexuality absent or rare in frequency and 41% reported it present or not uncommon." In cultures influenced by
Abrahamic religions The Abrahamic religions are a group of religions centered around worship of the God of Abraham. Abraham, a Hebrew patriarch, is extensively mentioned throughout Abrahamic religious scriptures such as the Bible and the Quran. Jewish tradition ...
, the law and the
church Church may refer to: Religion * Church (building), a building for Christian religious activities * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian communal worship * Chri ...
established
sodomy Sodomy () or buggery (British English) is generally anal or oral sex between people, or sexual activity between a person and a non-human animal ( bestiality), but it may also mean any non- procreative sexual activity. Originally, the term ''s ...
as a transgression against divine law or a
crime against nature The crime against nature or unnatural act has historically been a legal term in English-speaking states identifying forms of sexual behavior not considered natural or decent and are legally punishable offenses. Sexual practices that have hist ...
. The condemnation of anal sex between males, however, predates Christian belief. Condemnation was frequent in ancient Greece; for instance, the idea of male anal sex being "unnatural" is described by a character of
Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...
's, though he had earlier written of the benefits of homosexual relationships. Many historical figures, including
Socrates Socrates (; ; –399 BC) was a Greek philosopher from Athens who is credited as the founder of Western philosophy and among the first moral philosophers of the ethical tradition of thought. An enigmatic figure, Socrates authored no t ...
,
Lord Byron George Gordon Byron, 6th Baron Byron (22 January 1788 – 19 April 1824), known simply as Lord Byron, was an English romantic poet and peer. He was one of the leading figures of the Romantic movement, and has been regarded as among the ...
,
Edward II Edward II (25 April 1284 – 21 September 1327), also called Edward of Caernarfon, was King of England and Lord of Ireland from 1307 until he was deposed in January 1327. The fourth son of Edward I, Edward became the heir apparent to ...
, and
Hadrian Hadrian (; la, Caesar Trâiānus Hadriānus ; 24 January 76 – 10 July 138) was Roman emperor from 117 to 138. He was born in Italica (close to modern Santiponce in Spain), a Roman ''municipium'' founded by Italic settlers in Hispania ...
, have had terms such as ''gay'' or '' bisexual'' applied to them. Some scholars have regarded uses of such modern terms on people from the past as an anachronistic introduction of a contemporary
construction Construction is a general term meaning the art and science to form objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Press 2009 and ...
of sexuality that would have been foreign to their times. Other scholars see continuity instead. In social science, there has been a dispute between "essentialist" and "constructionist" views of homosexuality. The debate divides those who believe that terms such as "gay" and "straight" refer to objective, culturally invariant properties of persons from those who believe that the experiences they name are artifacts of unique cultural and social processes. "Essentialists" typically believe that sexual preferences are determined by biological forces, while "constructionists" assume that sexual desires are learned. The philosopher of science
Michael Ruse Michael Ruse (born 21 June 1940) is a British-born Canadian philosopher of science who specializes in the philosophy of biology and works on the relationship between science and religion, the creation–evolution controversy, and the demarca ...
has stated that the social constructionist approach, which is influenced by Foucault, is based on a selective reading of the historical record that confuses the existence of homosexual people with the way in which they are labelled or treated.


Africa

The first record of a possible homosexual couple in history is commonly regarded as Khnumhotep and Niankhkhnum, an ancient Egyptian male couple, who lived around 2400 BCE. The pair are portrayed in a nose-kissing position, the most intimate pose in Egyptian art, surrounded by what appear to be their heirs. The anthropologists Stephen Murray and Will Roscoe reported that women in
Lesotho Lesotho ( ), officially the Kingdom of Lesotho, is a country landlocked as an enclave in South Africa. It is situated in the Maloti Mountains and contains the highest mountains in Southern Africa. It has an area of over and has a population ...
engaged in socially sanctioned "long term, erotic relationships" called '' motsoalle.'' The anthropologist E. E. Evans-Pritchard also recorded that male Azande warriors in the northern Congo routinely took on young male lovers between the ages of twelve and twenty, who helped with household tasks and participated in intercrural sex with their older husbands.


Americas


Indigenous cultures

As is true of many other non-Western cultures, it is difficult to determine the extent to which Western notions of sexual orientation and gender identity apply to Pre-Columbian cultures. Evidence of homoerotic sexual acts and transvestism has been found in many pre-
conquest Conquest is the act of military subjugation of an enemy by force of arms. Military history provides many examples of conquest: the Roman conquest of Britain, the Mauryan conquest of Afghanistan and of vast areas of the Indian subcontinent, ...
civilizations in
Latin America Latin America or * french: Amérique Latine, link=no * ht, Amerik Latin, link=no * pt, América Latina, link=no, name=a, sometimes referred to as LatAm is a large cultural region in the Americas where Romance languages — languages derived ...
, such as the
Aztec The Aztecs () were a Mesoamerican culture that flourished in central Mexico in the post-classic period from 1300 to 1521. The Aztec people included different ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl ...
s, Mayas, Quechuas, Moches, Zapotecs, the
Inca The Inca Empire (also known as the Incan Empire and the Inka Empire), called ''Tawantinsuyu'' by its subjects, ( Quechua for the "Realm of the Four Parts",  "four parts together" ) was the largest empire in pre-Columbian America. The adm ...
s, and the Tupinambá of Brazil. The Spanish conquerors were horrified to discover sodomy openly practiced among native peoples, and attempted to crush it out by subjecting the ''berdaches'' (as the Spanish called them) under their rule to severe penalties, including public execution, burning and being torn to pieces by dogs. The Spanish conquerors talked extensively of sodomy among the natives to depict them as savages and hence justify their conquest and forceful conversion to Christianity. As a result of the growing influence and power of the conquerors, many native cultures started condemning homosexual acts themselves. Among some of the
indigenous peoples of the Americas The Indigenous peoples of the Americas are the inhabitants of the Americas before the arrival of the European settlers in the 15th century, and the ethnic groups who now identify themselves with those peoples. Many Indigenous peoples of the A ...
in North America prior to European colonization, a relatively common form of same-sex sexuality centered around the figure of the Two-Spirit individual (the term itself was coined only in 1990). Typically, this individual was recognized early in life, given a choice by the parents to follow the path and, if the child accepted the role, raised in the appropriate manner, learning the customs of the gender it had chosen. Two-Spirit individuals were commonly
shamans Shamanism is a religious practice that involves a practitioner (shaman) interacting with what they believe to be a spirit world through altered states of consciousness, such as trance. The goal of this is usually to direct spirits or spirit ...
and were revered as having powers beyond those of ordinary shamans. Their sexual life was with the ordinary tribe members of the same sex. During the colonial times following the European invasion, homosexuality was prosecuted by the
Inquisition The Inquisition was a group of institutions within the Catholic Church whose aim was to combat heresy, conducting trials of suspected heretics. Studies of the records have found that the overwhelming majority of sentences consisted of penances, ...
, sometimes leading to death sentences on the charges of sodomy, and the practices became clandestine. Many homosexual individuals went into heterosexual marriages to maintain appearances, and many joined the (unmarried) Catholic clergy to escape public scrutiny of their lack of interest in the opposite sex.


Canada

During the colonial period, both the French and the British criminalised same-sex sexual relations. Anal sex between males was a capital offence. Post-Confederation, anal sex and acts of "gross indecency" continued to be criminal offences, but were no longer capital offences. Individuals were prosecuted for same-sex sexual activity as late as the 1960s, which led to the federal Parliament amending the ''Criminal Code'' in 1969 to provide that anal sex between consenting adults in private (defined as only two persons) was not a criminal offence. In advocating for the law, the then-Minister of Justice,
Pierre Trudeau Joseph Philippe Pierre Yves Elliott Trudeau ( , ; October 18, 1919 – September 28, 2000), also referred to by his initials PET, was a Canadian lawyer and politician who served as the 15th prime minister of Canada from 1968 to 1979 and ...
, said: "The state has no place in the bedrooms of the nation." In 1995, the
Supreme Court of Canada The Supreme Court of Canada (SCC; french: Cour suprême du Canada, CSC) is the Supreme court, highest court in the Court system of Canada, judicial system of Canada. It comprises List of Justices of the Supreme Court of Canada, nine justices, wh ...
held that sexual orientation is a protected personal characteristic under the equality clause of the ''Canadian Charter of Rights and Freedoms''. The federal Parliament and provincial legislatures began to amend their laws to treat same-sex relations in the same way as opposite-sex relations. Beginning in 2003, the courts in Canada began to rule that excluding same-sex couples from marriage violated the equality clause of the ''Charter''. In 2005, the federal Parliament enacted the ''
Civil Marriage Act The ''Civil Marriage Act'' is a federal statute legalizing same-sex marriage across Canada. At the time it became law, same-sex marriage had already been legalized by court decisions in all Canadian jurisdictions except Alberta, Prince Edward ...
'', which legalised same-sex marriage across Canada. Canada has been referred to as the most
gay-friendly Gay-friendly or LGBT-friendly places, policies, people, or institutions are those that are open and welcoming to gay or LGBT people. They typically aim to create an environment that is supportive, respectful, and non-judgmental towards the LGBT ...
country in the world, ranked first in the '' Gay Travel Index'' chart in 2018, and among the five safest in ''Forbes'' magazine in 2019. It was also ranked first in Asher & Lyric's LGBTQ+ Danger Index in a 2021 update.


United States

In 1986, the
Supreme Court of the United States The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. Federal tribunals in the United States, federal court cases, and over Stat ...
ruled in ''
Bowers v. Hardwick ''Bowers v. Hardwick'', 478 U.S. 186 (1986), was a landmark decision of the U.S. Supreme Court that upheld, in a 5–4 ruling, the constitutionality of a Georgia sodomy law criminalizing oral and anal sex in private between consenting adults, i ...
'' that a state could criminalize
sodomy Sodomy () or buggery (British English) is generally anal or oral sex between people, or sexual activity between a person and a non-human animal ( bestiality), but it may also mean any non- procreative sexual activity. Originally, the term ''s ...
, but, in 2003, overturned itself in ''
Lawrence v. Texas ''Lawrence v. Texas'', 539 U.S. 558 (2003), is a landmark decision of the U.S. Supreme Court in which the Court ruled that most sanctions of criminal punishment for consensual, adult non- procreative sexual activity (commonly referred to as sod ...
'' and thereby legalized homosexual activity throughout the
United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territo ...
. It is only since the 2010s that
census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses inc ...
forms and political conditions have facilitated the visibility and enumeration of same-sex relationships.Census statistics show quarter of California same-sex couples raising kids

Region Saw Increase In Same-Sex Households

Census 2010: One Quarter of Gay Couples Raising Children



Census:Dutchess, Ulster Gay Households Increase

Same Sex Couples' Numbers Soar In N.Y, 2010 Census Finds

87% Increase in Same-Sex Nevada Households Since 2000


* ttp://www.wnyc.org/blogs/wnyc-news-blog/2011/jul/15/spike-number-same-sex-couples-city/ Spike In Number of City's Same-Sex Couples
Same-sex marriage in the United States expanded from one state in 2004 to all 50 states in 2015, through various state court rulings, state legislation, direct popular votes ( referendums and
initiative In political science, an initiative (also known as a popular initiative or citizens' initiative) is a means by which a petition signed by a certain number of registered voters can force a government to choose either to enact a law or hold a ...
s), and federal court rulings.


East Asia

In
East Asia East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea ...
, same-sex love has been referred to since the earliest recorded history.
Homosexuality in China Homosexuality has been documented in China since ancient times. According to one study by Bret Hinsch, for some time after the fall of the Han Dynasty, homosexuality was widely accepted in China but this has been disputed. Several early Chinese ...
, known as the ''passions of the cut peach'' and various other euphemisms, has been recorded since approximately 600 BCE. Homosexuality was mentioned in many famous works of Chinese literature. The instances of same-sex affection and sexual interactions described in the classical novel ''
Dream of the Red Chamber ''Dream of the Red Chamber'' (''Honglou Meng'') or ''The Story of the Stone'' (''Shitou Ji'') is a novel composed by Cao Xueqin in the middle of the 18th century. One of the Four Great Classical Novels of Chinese literature, it is known fo ...
'' seem as familiar to observers in the present as do equivalent stories of romances between heterosexual people during the same period.
Confucianism Confucianism, also known as Ruism or Ru classicism, is a system of thought and behavior originating in ancient China. Variously described as tradition, a philosophy, a Religious Confucianism, religion, a humanistic or rationalistic religion, ...
, being primarily a social and political philosophy, focused little on sexuality, whether homosexual or heterosexual. Ming Dynasty literature, such as ''Bian Er Chai'' (弁而釵/弁而钗), portray homosexual relationships between men as more enjoyable and more "harmonious" than heterosexual relationships. Writings from the
Liu Song Dynasty Song, known as Liu Song (), Former Song (前宋) or Song of (the) Southern Dynasty (南朝宋) in historiography, was an imperial dynasty of China and the first of the four Southern dynasties during the Northern and Southern dynasties ...
by Wang Shunu claimed that homosexuality was as common as heterosexuality in the late 3rd century. Opposition to homosexuality in China originates in the medieval
Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
(618–907), attributed to the rising influence of Christian and Islamic values,Hinsch, Bret. (1990). ''Passions of the Cut Sleeve''. University of California Press. pp.77-78. but did not become fully established until the Westernization efforts of the late
Qing Dynasty The Qing dynasty ( ), officially the Great Qing,, was a Manchu-led imperial dynasty of China and the last orthodox dynasty in Chinese history. It emerged from the Later Jin dynasty founded by the Jianzhou Jurchens, a Tungusic-speak ...
and the
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeas ...
.Kang, Wenqing. ''Obsession: male same-sex relations in China, 1900–1950'', Hong Kong University Press. Page 3


South Asia

The ''
Laws of Manu The ''Manusmṛiti'' ( sa, मनुस्मृति), also known as the ''Mānava-Dharmaśāstra'' or Laws of Manu, is one of the many legal texts and constitution among the many ' of Hinduism. In ancient India, the sages often wrote the ...
'' mentions a "third sex", members of which may engage in nontraditional gender expression and homosexual activities.


Europe


Classical period

The earliest Western documents (in the form of literary works, art objects, and mythographic materials) concerning same-sex relationships are derived from
ancient Greece Ancient Greece ( el, Ἑλλάς, Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity ( AD 600), that comprised a loose collection of cu ...
. In regard to male homosexuality, such documents depict an at times complex understanding in which relationships with women and relationships with adolescent boys could be a part of a normal man's love life. Same-sex relationships were a social institution variously constructed over time and from one city to another. The formal practice, an erotic yet often restrained relationship between a free adult male and a free adolescent, was valued for its pedagogic benefits and as a means of population control, though occasionally blamed for causing disorder.
Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...
praised its benefits in his early writings
Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...
, Phaedrus in the ''
Symposium In ancient Greece, the symposium ( grc-gre, συμπόσιον ''symposion'' or ''symposio'', from συμπίνειν ''sympinein'', "to drink together") was a part of a banquet that took place after the meal, when drinking for pleasure was acc ...
''
but in his late works proposed its prohibition.Plato, Laws, 636D & 835E
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ...
, in the ''Politics'', dismissed Plato's ideas about abolishing homosexuality (2.4); he explains that barbarians like the
Celts The Celts (, see pronunciation for different usages) or Celtic peoples () are. "CELTS location: Greater Europe time period: Second millennium B.C.E. to present ancestry: Celtic a collection of Indo-European peoples. "The Celts, an ancient ...
accorded it a special honor (2.6.6), while the Cretans used it to regulate the population (2.7.5). Some scholars argue that there are examples of homosexual love in ancient literature, such as Achilles and Patroclus in the ''
Iliad The ''Iliad'' (; grc, Ἰλιάς, Iliás, ; "a poem about Ilium") is one of two major ancient Greek epic poems attributed to Homer. It is one of the oldest extant works of literature still widely read by modern audiences. As with the ''Ody ...
''. Little is known of female homosexuality in antiquity. Sappho, born on the island of Lesbos, was included by later Greeks in the canonical list of nine lyric poets. The adjectives deriving from her name and place of birth ( Sapphic and Lesbian) came to be applied to female homosexuality beginning in the 19th century. Sappho's poetry centers on passion and love for various personages and both genders. The narrators of many of her poems speak of infatuations and
love Love encompasses a range of strong and positive emotional and mental states, from the most sublime virtue or good habit, the deepest Interpersonal relationship, interpersonal affection, to the simplest pleasure. An example of this range of ...
(sometimes requited, sometimes not) for various females, but descriptions of physical acts between women are few and subject to debate. In
Ancient Rome In modern historiography, ancient Rome refers to Roman people, Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom ...
, the young male body remained a focus of male sexual attention, but relationships were between older free men and slaves or freed youths who took the receptive role in sex. The
Hellenophile Philhellenism ("the love of Greek culture") was an intellectual movement prominent mostly at the turn of the 19th century. It contributed to the sentiments that led Europeans such as Lord Byron and Charles Nicolas Fabvier to advocate for Greek ...
emperor
Hadrian Hadrian (; la, Caesar Trâiānus Hadriānus ; 24 January 76 – 10 July 138) was Roman emperor from 117 to 138. He was born in Italica (close to modern Santiponce in Spain), a Roman ''municipium'' founded by Italic settlers in Hispania ...
is renowned for his relationship with
Antinous Antinous, also called Antinoös, (; grc-gre, Ἀντίνοος; 27 November – before 30 October 130) was a Greek youth from Bithynia and a favourite and probable lover of the Roman emperor Hadrian. Following his premature death before his ...
, but the Christian emperor
Theodosius I Theodosius I ( grc-gre, Θεοδόσιος ; 11 January 347 – 17 January 395), also called Theodosius the Great, was Roman emperor from 379 to 395. During his reign, he succeeded in a crucial war against the Goths, as well as in two ...
decreed a law on 6 August 390, condemning passive males to be burned at the stake. Notwithstanding these regulations taxes on
brothel A brothel, bordello, ranch, or whorehouse is a place where people engage in sexual activity with prostitutes. However, for legal or cultural reasons, establishments often describe themselves as massage parlors, bars, strip clubs, body rub p ...
s with boys available for homosexual sex continued to be collected until the end of the reign of Anastasius I in 518.
Justinian Justinian I (; la, Iustinianus, ; grc-gre, Ἰουστινιανός ; 48214 November 565), also known as Justinian the Great, was the Byzantine emperor from 527 to 565. His reign is marked by the ambitious but only partly realized '' renova ...
, towards the end of his reign, expanded the proscription to the active partner as well (in 558), warning that such conduct can lead to the destruction of cities through the "wrath of God".


Renaissance

During the
Renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history marking the transition from the Middle Ages to modernity and covering the 15th and 16th centuries, characterized by an effort to revive and surpass ide ...
, wealthy cities in northern
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico ...
and
Venice Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400  ...
in particular—were renowned for their widespread practice of same-sex love, engaged in by a considerable part of the male population and constructed along the classical pattern of Greece and Rome. But even as many of the male population were engaging in same-sex relationships, the authorities, under the
aegis The aegis ( ; grc, αἰγίς ''aigís''), as stated in the ''Iliad'', is a device carried by Athena and Zeus, variously interpreted as an animal skin or a shield and sometimes featuring the head of a Gorgon. There may be a connection with a d ...
of the
Officers of the Night LGBT history dates back to the first recorded instances of same-sex love and sexuality of ancient civilizations, involving the history of lesbian, gay, bisexual, and transgender (LGBT) peoples and cultures around the world. What survives after ...
court, were prosecuting, fining, and imprisoning a good portion of that population. From the second half of the 13th century, death was the punishment for male homosexuality in most of Europe. The relationships of socially prominent figures, such as King James I and the Duke of Buckingham, served to highlight the issue, including in anonymously authored street pamphlets: "The world is chang'd I know not how, For men Kiss Men, not Women now;...Of J. the First and Buckingham: He, true it is, his Wives Embraces fled, To slabber his lov'd Ganimede" (''Mundus Foppensis, or The Fop Display'd'', 1691).


Modern period

''Love Letters Between a Certain Late Nobleman and the Famous Mr. Wilson'' was published in 1723 in England, and is presumed by some modern scholars to be a novel. The 1749 edition of John Cleland's popular novel '' Fanny Hill'' includes a homosexual scene, but this was removed in its 1750 edition. Also in 1749, the earliest extended and serious defense of homosexuality in English, ''Ancient and Modern
Pederasty Pederasty or paederasty ( or ) is a sexual relationship between an adult man and a pubescent or adolescent boy. The term ''pederasty'' is primarily used to refer to historical practices of certain cultures, particularly ancient Greece and an ...
Investigated and Exemplified'', written by
Thomas Cannon Thomas Cannon (1720–?)Gladfelder, Hal ''Fanny Hill in Bombay: The Making and Unmaking of John Cleland'', Johns Hopkins University Press, 2012, p. 46 of Gray's Inn was an English author of the 18th century. He wrote what may be the earliest p ...
, was published, but was suppressed almost immediately. It includes the passage, "Unnatural Desire is a Contradiction in Terms; downright Nonsense. Desire is an amatory Impulse of the inmost human Parts." Around 1785
Jeremy Bentham Jeremy Bentham (; 15 February 1748 ld Style and New Style dates, O.S. 4 February 1747– 6 June 1832) was an English philosopher, jurist, and social reformer regarded as the founder of modern utilitarianism. Bentham defined as the "fundam ...
wrote another defense, but this was not published until 1978. Executions for sodomy continued in the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
until 1803, and in
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...
until 1835,
James Pratt and John Smith James Pratt (1805–1835), also known as John Pratt, and John Smith (1795–1835) were two London men who, in November 1835, became the last two to be executed for sodomy in England.Cook ''et al'' (2007), p. 109. Pratt and Smith were arrested in ...
being the last Englishmen to be so hanged. Between 1864 and 1880 Karl Heinrich Ulrichs published a series of 12 tracts, which he collectively titled ''Research on the Riddle of Man-Manly Love.'' In 1867, he became the first self-proclaimed homosexual person to speak out publicly in defense of homosexuality when he pleaded at the Congress of German Jurists in
Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the third-largest city in Germany, after Berlin and ...
for a resolution urging the repeal of anti-homosexual laws. ''Sexual Inversion'' by Havelock Ellis, published in 1896, challenged theories that homosexuality was abnormal, as well as
stereotype In social psychology, a stereotype is a generalized belief about a particular category of people. It is an expectation that people might have about every person of a particular group. The type of expectation can vary; it can be, for exampl ...
s, and insisted on the ubiquity of homosexuality and its association with intellectual and artistic achievement. (reprint) Although medical texts like these (written partly in Latin to obscure the sexual details) were not widely read by the general public, they did lead to the rise of Magnus Hirschfeld's
Scientific-Humanitarian Committee The Scientific-Humanitarian Committee (, WhK) was founded by Magnus Hirschfeld in Berlin in May 1897, to campaign for social recognition of lesbian, gay, bisexual and transgender people, and against their legal persecution. It was the fir ...
, which campaigned from 1897 to 1933 against anti-sodomy laws in Germany, as well as a much more informal, unpublicized movement among British intellectuals and writers, led by such figures as Edward Carpenter and
John Addington Symonds John Addington Symonds, Jr. (; 5 October 1840 – 19 April 1893) was an English poet and literary critic. A cultural historian, he was known for his work on the Renaissance, as well as numerous biographies of writers and artists. Although m ...
. Beginning in 1894 with ''Homogenic Love'', Socialist activist and poet Edward Carpenter wrote a string of pro-homosexual articles and pamphlets, and "came out" in 1916 in his book ''My Days and Dreams''. In 1900,
Elisar von Kupffer Elisàr August Emanuel von Kupffer (20 February 1872 – 31 October 1942) was a Baltic German artist, anthologist, poet, historian, translator, and playwright. He used the pseudonym "Elisarion" for most of his writings. Early life He was born ...
published an anthology of homosexual literature from antiquity to his own time, ''
Lieblingminne und Freundesliebe in der Weltliteratur ''Lieblingminne und Freundesliebe in der Weltliteratur'' is an anthology of poetry about homosexuality, compiled by the German artist Elisar von Kupffer (''Elisarion''). First published in 1900, it is the first effort of its kind in modern time ...
''.


Middle East

There are a handful of accounts by Arab travelers to Europe during the mid-1800s. Two of these travelers, Rifa'ah al-Tahtawi and Muhammad as-Saffar, show their surprise that the French sometimes deliberately mistranslated love poetry about a young boy, instead referring to a young female, to maintain their social norms and morals. Israel is considered the most tolerant country in the Middle East and Asia to homosexuals, with
Tel Aviv Tel Aviv-Yafo ( he, תֵּל־אָבִיב-יָפוֹ, translit=Tēl-ʾĀvīv-Yāfō ; ar, تَلّ أَبِيب – يَافَا, translit=Tall ʾAbīb-Yāfā, links=no), often referred to as just Tel Aviv, is the most populous city in the G ...
being named "the gay capital of the Middle East" and considered one of the most gay friendly cities in the world. The annual Pride Parade in support of homosexuality takes place in Tel Aviv. On the other hand, many governments in the Middle East often ignore, deny the existence of, or criminalize homosexuality. Homosexuality is illegal in almost all Muslim countries. Same-sex intercourse officially carries the death penalty in several Muslim nations: Saudi Arabia, Iran,
Mauritania Mauritania (; ar, موريتانيا, ', french: Mauritanie; Berber: ''Agawej'' or ''Cengit''; Pulaar: ''Moritani''; Wolof: ''Gànnaar''; Soninke:), officially the Islamic Republic of Mauritania ( ar, الجمهورية الإسلامية ...
, northern
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
, and
Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the north and Oman to the northeast and ...
. Iranian President
Mahmoud Ahmadinejad Mahmoud Ahmadinejad ( fa, محمود احمدی‌نژاد, Mahmūd Ahmadīnežād ), born Mahmoud Sabbaghian ( fa, محمود صباغیان, Mahmoud Sabbāghyān, 28 October 1956),
, during his 2007 speech at Columbia University, asserted that there were no gay people in Iran. However, the probable reason is that they keep their sexuality a secret for fear of government sanction or rejection by their families.


Pre-Islamic period

In ancient
Sumer Sumer () is the earliest known civilization in the historical region of southern Mesopotamia (south-central Iraq), emerging during the Chalcolithic and early Bronze Ages between the sixth and fifth millennium BC. It is one of the cradles of ...
, a set of priests known as '' gala'' worked in the temples of the goddess
Inanna Inanna, also sux, 𒀭𒊩𒌆𒀭𒈾, nin-an-na, label=none is an ancient Mesopotamian goddess of love, war, and fertility. She is also associated with beauty, sex, divine justice, and political power. She was originally worshiped in Su ...
, where they performed elegies and lamentations. ''Gala'' took female names, spoke in the ''
eme-sal Sumerian is the language of ancient Sumer. It is one of the oldest attested languages, dating back to at least 3000 BC. It is accepted to be a local language isolate and to have been spoken in ancient Mesopotamia, in the area that is modern-d ...
'' dialect, which was traditionally reserved for women, and appear to have engaged in homosexual intercourse. The Sumerian sign for ''gala'' was a ligature of the signs for "penis" and "anus". One Sumerian proverb reads: "When the ''gala'' wiped off his ass e said 'I must not arouse that which belongs to my mistress .e., Inanna'" In later
Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...
n cultures, ''kurgarrū'' and ''assinnu'' were servants of the goddess Ishtar (Inanna's East Semitic equivalent), who dressed in female clothing and performed war dances in Ishtar's temples. Several Akkadian proverbs seem to suggest that they may have also engaged in homosexual intercourse. In ancient
Assyria Assyria ( Neo-Assyrian cuneiform: , romanized: ''māt Aššur''; syc, ܐܬܘܪ, ʾāthor) was a major ancient Mesopotamian civilization which existed as a city-state at times controlling regional territories in the indigenous lands of the A ...
, homosexuality was present and common; it was also not prohibited, condemned, nor looked upon as immoral or disordered. Some religious texts contain prayers for divine blessings on homosexual relationships. The ''Almanac of Incantations'' contained prayers favoring on an equal basis the love of a man for a woman, of a woman for a man, and of a man for man.


South Pacific

In some societies of
Melanesia Melanesia (, ) is a subregion of Oceania in the southwestern Pacific Ocean. It extends from Indonesia's New Guinea in the west to Fiji in the east, and includes the Arafura Sea. The region includes the four independent countries of Fiji, V ...
, especially in
Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...
, same-sex relationships were an integral part of the culture until the mid-1900s. The Etoro and Marind-anim for example, viewed heterosexuality as unclean and celebrated homosexuality instead. In some traditional Melanesian cultures a prepubertal boy would be paired with an older adolescent who would become his mentor and who would "inseminate" him (orally, anally, or topically, depending on the tribe) over a number of years in order for the younger to also reach puberty. Many Melanesian societies, however, have become hostile towards same-sex relationships since the introduction of
Christianity Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest and most widespread religion with roughly 2.38 billion followers representing one-third of the global popula ...
by European missionaries.


Sexuality and identity


Behavior and desire

The
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
, the
American Psychiatric Association The American Psychiatric Association (APA) is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the largest psychiatric organization in the world. It has more than 37,000 members are invo ...
, and the
National Association of Social Workers The National Association of Social Workers (NASW) is a professional organization of social workers in the United States. NASW has about 120,000 members. The NASW provides guidance, research, up to date information, advocacy, and other resources ...
identify sexual orientation as "not merely a personal characteristic that can be defined in isolation. Rather, one's sexual orientation defines the universe of persons with whom one is likely to find the satisfying and fulfilling relationships": The Kinsey scale, also called the Heterosexual-Homosexual Rating Scale, attempts to describe a person's sexual history or episodes of his or her sexual activity at a given time. It uses a scale from 0, meaning exclusively heterosexual, to 6, meaning exclusively homosexual. In both the Male and Female volumes of the
Kinsey Reports The Kinsey Reports are two scholarly books on human sexual behavior, ''Sexual Behavior in the Human Male'' (1948) and ''Sexual Behavior in the Human Female'' (1953), written by Alfred Kinsey, Wardell Pomeroy, Clyde Martin, and (for ''Sexual Beh ...
, an additional grade, listed as "X", has been interpreted by scholars to indicate asexuality.


Sexual identity and sexual fluidity

Often, sexual orientation and
sexual identity Sexual identity is how one thinks of oneself in terms of to whom one is romantically and/or sexually attracted.
''Se ...
are not distinguished, which can impact accurately assessing sexual identity and whether or not sexual orientation is able to change; sexual orientation identity can change throughout an individual's life, and may or may not align with biological sex, sexual behavior or actual sexual orientation.Sinclair, Karen, About Whoever: The Social Imprint on Identity and Orientation, NY, 2013 Sexual orientation is stable and unlikely to change for the vast majority of people, but some research indicates that some people may experience change in their sexual orientation, and this is more likely for women than for men.* * * The American Psychological Association distinguishes between sexual orientation (an innate attraction) and sexual orientation identity (which may change at any point in a person's life).


Same-sex relationships

People with a homosexual orientation can express their sexuality in a variety of ways, and may or may not express it in their behaviors. Many have sexual relationships predominantly with people of their own sex, though some have sexual relationships with those of the opposite sex, bisexual relationships, or none at all (
celibacy Celibacy (from Latin ''caelibatus'') is the state of voluntarily being unmarried, sexually abstinent, or both, usually for religious reasons. It is often in association with the role of a religious official or devotee. In its narrow sense, th ...
). Studies have found same-sex and opposite-sex couples to be equivalent to each other in measures of satisfaction and commitment in relationships, that age and sex are more reliable than sexual orientation as a predictor of satisfaction and commitment to a relationship, and that people who are heterosexual or homosexual share comparable expectations and ideals with regard to romantic relationships.


Coming out of the closet

''Coming out'' (''of the closet'') is a phrase referring to one's disclosure of their sexual orientation or gender identity, and is described and experienced variously as a psychological process or journey. Generally, coming out is described in three phases. The first phase is that of "knowing oneself", and the realization emerges that one is open to same-sex relations. This is often described as an internal coming out. The second phase involves one's decision to come out to others, e.g. family, friends, or colleagues. The third phase more generally involves living openly as an LGBT person. In the United States today, people often come out during high school or college age. At this age, they may not trust or ask for help from others, especially when their orientation is not accepted in society. Sometimes their own families are not even informed. According to Rosario, Schrimshaw, Hunter, Braun (2006), "the development of a lesbian, gay, or bisexual (LGB) sexual identity is a complex and often difficult process. Unlike members of other minority groups (e.g., ethnic and racial minorities), most LGB individuals are not raised in a community of similar others from whom they learn about their identity and who reinforce and support that identity. Rather, LGB individuals are often raised in communities that are either ignorant of or openly hostile toward homosexuality." Outing is the practice of publicly revealing the sexual orientation of a closeted person. Notable politicians, celebrities, military service people, and clergy members have been outed, with motives ranging from malice to political or moral beliefs. Many commentators oppose the practice altogether, while some encourage outing public figures who use their positions of influence to harm other gay people.


Demographics

In their 2016 literature review, Bailey ''et al.'' stated that they "expect that in all cultures...a minority of individuals are sexually predisposed (whether exclusively or non-exclusively) to the same sex." They state that there is no persuasive evidence that the demographics of sexual orientation have varied much across time or place. Men are more likely to be exclusively homosexual than to be equally attracted to both sexes, while the opposite is true for women. Surveys in Western cultures find, on average, that about 93% of men and 87% of women identify as completely heterosexual, 4% of men and 10% of women as mostly heterosexual, 0.5% of men and 1% of women as evenly bisexual, 0.5% of men and 0.5% of women as mostly homosexual, and 2% of men and 0.5% of women as completely homosexual. An analysis of 67 studies found that the lifetime prevalence of sex between men (regardless of orientation) was 3–5% for East Asia, 6–12% for South and South East Asia, 6–15% for Eastern Europe, and 6–20% for Latin America. The
International HIV/AIDS Alliance Frontline AIDS (formerly known as the International HIV/AIDS Alliance (IHAA) until 2019) is a global partnership of nationally based governmental and non-governmental organizations which support community organizations which promote HIV/AIDS issu ...
estimates that worldwide between 3 and 16% of men have had some form of sex with another man at least once during lifetime. According to major studies, 2% to 11% of people have had some form of same-sex sexual contact within their lifetime; Bogaert argues that: "The prevalence of male homosexuality is debated. One widely reported early estimate was 10% (e.g., Marmor, 1980; Voeller, 1990). Some recent data provided support for this estimate (Bagley and Tremblay, 1998), but most recent large national samples suggest that the prevalence of male homosexuality in modern Western societies, including the United States, is lower than this early estimate (e.g., 1–2% in Billy et al., 1993; 2–3% in Laumann et al., 1994; 6% in Sell et al., 1995; 1–3% in Wellings et al., 1994). It is of note, however, that homosexuality is defined in different ways in these studies. For example, some use same-sex behavior and not same-sex attraction as the operational definition of homosexuality (e.g., Billy et al., 1993); many sex researchers (e.g., Bailey et al., 2000; Bogaert, 2003; Money, 1988; Zucker and Bradley, 1995) now emphasize attraction over overt behavior in conceptualizing sexual orientation." (p.33) Also: "...the prevalence of male homosexuality (in particular, same-sex attraction) varies over time and across societies (and hence is a "moving target") in part because of two effects: (1) variations in fertility rate or family size; and (2) the fraternal birth order effect. Thus, even if accurately measured in one country at one time, the rate of male homosexuality is subject to change and is not generalizable over time or across societies." (p.33) this percentage rises to 16–21% when either or both same-sex attraction and behavior are reported. According to the 2000 United States Census, there were about 601,209 same-sex unmarried partner households. In the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
, according to a report by The Williams Institute in April 2011, 3.5% or approximately 9 million of the adult population identify as lesbian, gay, or bisexual. A 2013 study by the CDC, in which over 34,000 Americans were interviewed, puts the percentage of self-identifying lesbians and gay men at 1.6%, and of bisexuals at 0.7%."Sexual Orientation and Health Among U.S. Adults: National Health Interview Survey, 2013."
''CDC''. 15 July 2014. 15 July 2014. p.3.
In October 2012,
Gallup Gallup may refer to: * Gallup, Inc., a firm founded by George Gallup, well known for its opinion poll * Gallup (surname), a surname *Gallup, New Mexico, a city in New Mexico, United States ** Gallup station, an Amtrak train in downtown Gallup, New ...
started conducting annual surveys to study the demographics of LGBT people, determining that 3.4% (±1%) of adults identified as LGBT in the United States. It was the nation's largest poll on the issue at the time. In 2017, the percentage was estimated to have risen to 4.5% of adults, with the increase largely driven by
millennials Millennials, also known as Generation Y or Gen Y, are the Western demographic cohort following Generation X and preceding Generation Z. Researchers and popular media use the early 1980s as starting birth years and the mid-1990s to early 20 ...
. The poll attributes the rise to greater willingness of younger people to reveal their sexual identity. A survey by the U.K.
Office for National Statistics The Office for National Statistics (ONS; cy, Swyddfa Ystadegau Gwladol) is the executive office of the UK Statistics Authority, a non-ministerial department which reports directly to the UK Parliament. Overview The ONS is responsible for ...
(ONS) in 2010 found that 95% of Britons identified as heterosexual, 1.5% of Britons identified themselves as homosexual or bisexual, and the last 3.5% gave more vague answers such as "don't know", "other", or did not respond to the question. Reliable data as to the size of the gay and lesbian population are of value in informing public policy. For example, demographics are of help in calculating the costs and benefits of domestic partnership benefits, of the impact of legalizing gay adoption, and of the impact of the U.S. military's former Don't Ask Don't Tell policy. Further, knowledge of the size of the "gay and lesbian population holds promise for helping social scientists understand a wide array of important questions—questions about the general nature of labor market choices, accumulation of human capital, specialization within households, discrimination, and decisions about geographic location." Measuring the prevalence of homosexuality presents difficulties. It is necessary to consider the measuring criteria that are used, the cutoff point and the time span taken to define a sexual orientation. Many people, despite having same-sex attractions, may be reluctant to identify themselves as gay or bisexual. The research must measure some characteristic that may or may not be defining of sexual orientation. The number of people with same-sex desires may be larger than the number of people who act on those desires, which in turn may be larger than the number of people who self-identify as gay, lesbian, or bisexual.


Psychology

The
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
, the
American Psychiatric Association The American Psychiatric Association (APA) is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the largest psychiatric organization in the world. It has more than 37,000 members are invo ...
, and the
National Association of Social Workers The National Association of Social Workers (NASW) is a professional organization of social workers in the United States. NASW has about 120,000 members. The NASW provides guidance, research, up to date information, advocacy, and other resources ...
state: The consensus of research and clinical literature demonstrates that same-sex sexual and romantic attractions, feelings, and behaviors are normal and positive variations of human sexuality.American Psychological Association
Appropriate Therapeutic Responses to Sexual Orientation
There is now a large body of research evidence that indicates that being gay, lesbian or bisexual is compatible with normal mental health and social adjustment. The
World Health Organization The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health. The WHO Constitution states its main objective as "the attainment by all peoples of the highest possible level o ...
's
ICD-9 The International Classification of Diseases (ICD) is a globally used diagnostic tool for epidemiology, health management and clinical purposes. The ICD is maintained by the World Health Organization (WHO), which is the directing and coordinati ...
(1977) listed homosexuality as a mental illness; it was removed from the
ICD-10 ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms ...
, endorsed by the Forty-third World Health Assembly on 17 May 1990. Like the DSM-II, the ICD-10 added ego-dystonic sexual orientation to the list, which refers to people who want to change their
gender identities Gender identity is the personal sense of one's own gender. Gender identity can correlate with a person's assigned sex or can differ from it. In most individuals, the various biological determinants of sex are congruent, and consistent with the i ...
or sexual orientation because of a psychological or behavioral disorder (). The
Chinese Society of Psychiatry The Chinese Society of Psychiatry (CSP; ) is the largest organization for psychiatrists in China. It publishes the Chinese Classification of Mental Disorders ("CCMD"), first published in 1985. The CSP also publishes clinical practice guidelines; pr ...
removed homosexuality from its
Chinese Classification of Mental Disorders The Chinese Classification of Mental Disorders (CCMD; ), published by the Chinese Society of Psychiatry (CSP), is a clinical guide used in China for the diagnosis of mental disorders. It is on a third version, the CCMD-3, written in Chinese and E ...
in 2001 after five years of study by the association. According to the
Royal College of Psychiatrists The Royal College of Psychiatrists is the main professional organisation of psychiatrists in the United Kingdom, and is responsible for representing psychiatrists, for psychiatric research and for providing public information about mental healt ...
"This unfortunate history demonstrates how marginalisation of a group of people who have a particular personality feature (in this case homosexuality) can lead to harmful medical practice and a basis for discrimination in society." In response to claims on ''The Nolan Show'' regarding homosexuality being a psychiatric disorder, the Royal College of Psychiatrists wrote:Royal College of Psychiatrists:
There is now a large body of research evidence that indicates that being gay, lesbian or bisexual is compatible with normal mental health and social adjustment. However, the experiences of discrimination in society and possible rejection by friends, families and others, such as employers, means that some LGB people experience a greater than expected prevalence of mental health difficulties and substance misuse problems. Although there have been claims by conservative political groups in the USA that this higher prevalence of mental health difficulties is confirmation that homosexuality is itself a mental disorder, there is no evidence whatever to substantiate such a claim.
Most lesbian, gay, and bisexual people who seek psychotherapy do so for the same reasons as heterosexual people (stress, relationship difficulties, difficulty adjusting to social or work situations, etc.); their sexual orientation may be of primary, incidental, or no importance to their issues and treatment. Whatever the issue, there is a high risk for anti-gay bias in psychotherapy with lesbian, gay, and bisexual clients.Cabaj, R; Stein, T. eds. ''Textbook of Homosexuality and Mental Health'', p.421 Psychological research in this area has been relevant to counteracting prejudicial (" homophobic") attitudes and actions, and to the
LGBT rights Rights affecting lesbian, gay, bisexual, and transgender ( LGBT) people vary greatly by country or jurisdiction—encompassing everything from the legal recognition of same-sex marriage to the death penalty for homosexuality. Notably, ...
movement generally. The appropriate application of affirmative psychotherapy is based on the following scientific facts: * Same-sex sexual attractions, behavior, and orientations per se are normal and positive variants of human sexuality; in other words, they are not indicators of mental or developmental disorders. * Homosexuality and bisexuality are stigmatized, and this stigma can have a variety of negative consequences (e.g., minority stress) throughout the life span (D'Augelli & Patterson, 1995; DiPlacido, 1998; Herek & Garnets, 2007; Meyer, 1995, 2003). * Same-sex sexual attractions and behavior can occur in the context of a variety of sexual orientations and sexual orientation identities (Diamond, 2006; Hoburg et al., 2004; Rust, 1996; Savin-Williams, 2005). * Gay men, lesbians, and bisexual individuals can live satisfying lives as well as form stable, committed relationships and families that are equivalent to heterosexual relationships in essential respects (APA, 2005c; Kurdek, 2001, 2003, 2004; Peplau & Fingerhut, 2007). * There are no empirical studies or peer-reviewed research that support theories attributing same-sex sexual orientation to family dysfunction or trauma (Bell et al., 1981; Bene, 1965; Freund & Blanchard, 1983; Freund & Pinkava, 1961; Hooker, 1969; McCord et al., 1962; D. K. Peters & Cantrell, 1991; Siegelman, 1974, 1981; Townes et al., 1976).


Causes


Biological vs. environmental determinants

Although scientists favor biological models for the cause of sexual orientation, they do not believe that the development of sexual orientation is the result of any one factor. They generally believe that it is determined by a complex interplay of
biological Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary in ...
and environmental factors, and is shaped at an early age. There is considerably more evidence supporting nonsocial, biological causes of sexual orientation than social ones, especially for males. There is no substantive evidence which suggests parenting or early childhood experiences play a role with regard to sexual orientation. Scientists do not believe that sexual orientation is a choice. The
American Academy of Pediatrics The American Academy of Pediatrics (AAP) is an American professional association of pediatricians, headquartered in Itasca, Illinois. It maintains its Department of Federal Affairs office in Washington, D.C. Background The Academy was found ...
stated in ''
Pediatrics Pediatrics ( also spelled ''paediatrics'' or ''pædiatrics'') is the branch of medicine that involves the medical care of infants, children, adolescents, and young adults. In the United Kingdom, paediatrics covers many of their youth until the ...
'' in 2004: The
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
,
American Psychiatric Association The American Psychiatric Association (APA) is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the largest psychiatric organization in the world. It has more than 37,000 members are invo ...
, and
National Association of Social Workers The National Association of Social Workers (NASW) is a professional organization of social workers in the United States. NASW has about 120,000 members. The NASW provides guidance, research, up to date information, advocacy, and other resources ...
stated in 2006:


"Gay genes"

Despite numerous attempts, no "gay gene" has been identified. However, there is substantial evidence for a genetic basis of homosexuality, especially in males, based on twin studies; some association with regions of Chromosome 8, the
Xq28 Xq28 is a chromosome band and genetic marker situated at the tip of the X chromosome which has been studied since at least 1980. The band contains three distinct regions, totaling about 8 Mbp of genetic information. The marker came to the public ...
locus on the
X chromosome The X chromosome is one of the two sex-determining chromosomes (allosomes) in many organisms, including mammals (the other is the Y chromosome), and is found in both males and females. It is a part of the XY sex-determination system and XO sex ...
, and other sites across many chromosomes. Starting in the 2010s, potential
epigenetic In biology, epigenetics is the study of stable phenotypic changes (known as ''marks'') that do not involve alterations in the DNA sequence. The Greek prefix '' epi-'' ( "over, outside of, around") in ''epigenetics'' implies features that are ...
factors have become a topic of increased attention in genetic research on sexual orientation. A study presented at the ASHG 2015 Annual Meeting found that the methylation pattern in nine regions of the genome appeared very closely linked to sexual orientation, with a resulting algorithm using the
methylation In the chemical sciences, methylation denotes the addition of a methyl group on a substrate, or the substitution of an atom (or group) by a methyl group. Methylation is a form of alkylation, with a methyl group replacing a hydrogen atom. These ...
pattern to predict the sexual orientation of a control group with almost 70% accuracy. Research into the causes of homosexuality plays a role in political and social debates and also raises concerns about genetic profiling and
prenatal testing Prenatal testing consists of prenatal screening and prenatal diagnosis, which are aspects of prenatal care that focus on detecting problems with the pregnancy as early as possible. These may be anatomic and physiologic problems with the health ...
.


Evolutionary perspectives

Since homosexuality tends to lower reproductive success, and since there is considerable evidence that human sexual orientation is genetically influenced, it is unclear how it is maintained in the population at a relatively high frequency. There are many possible explanations, such as genes predisposing to homosexuality also conferring advantage in heterosexuals, a
kin selection Kin selection is the evolutionary strategy that favours the reproductive success of an organism's relatives, even when at a cost to the organism's own survival and reproduction. Kin altruism can look like altruistic behaviour whose evolution ...
effect, social prestige, and more. A 2009 study also suggested a significant increase in fecundity in the females related to the homosexual people from the maternal line (but not in those related from the paternal one).


Sexual orientation change efforts

There are no studies of adequate scientific rigor that conclude that sexual orientation change efforts work to change a person's sexual orientation. Those efforts have been controversial due to tensions between the values held by some faith-based organizations, on the one hand, and those held by LGBT rights organizations and professional and scientific organizations and other faith-based organizations, on the other. The longstanding consensus of the behavioral and social sciences and the health and mental health professions is that homosexuality ''per se'' is a normal and positive variation of human sexual orientation, and therefore not a mental disorder. The American Psychological Association says that "most people experience little or no sense of choice about their sexual orientation". Some individuals and groups have promoted the idea of homosexuality as symptomatic of developmental defects or spiritual and moral failings and have argued that sexual orientation change efforts, including psychotherapy and religious efforts, could alter homosexual feelings and behaviors. Many of these individuals and groups appeared to be embedded within the larger context of conservative religious political movements that have supported the stigmatization of homosexuality on political or religious grounds. No major mental health professional organization has sanctioned efforts to change sexual orientation and virtually all of them have adopted policy statements cautioning the profession and the public about treatments that purport to change sexual orientation. These include the American Psychiatric Association, American Psychological Association, American Counseling Association, National Association of Social Workers in the U.S., the Royal College of Psychiatrists,Royal College of Psychiatrists
Statement from the Royal College of Psychiatrists' Gay and Lesbian Mental Health Special Interest Group
and the Australian Psychological Society.Australian Psychological Society
Sexual orientation and homosexuality
The American Psychological Association and the Royal College of Psychiatrists expressed concerns that the positions espoused by NARTH are not supported by the science and create an environment in which prejudice and discrimination can flourish. The American Psychological Association states that "sexual orientation is not a choice that can be changed at will, and that sexual orientation is most likely the result of a complex interaction of environmental, cognitive and biological factors...is shaped at an early age... nd evidence suggestsbiological, including genetic or inborn hormonal factors, play a significant role in a person's sexuality." They say that "sexual orientation identity—not sexual orientation—appears to change via psychotherapy, support groups, and life events." The American Psychiatric Association says "individuals maybe become aware at different points in their lives that they are heterosexual, gay, lesbian, or bisexual" and "opposes any psychiatric treatment, such as 'reparative' or 'conversion' therapy, which is based upon the assumption that homosexuality ''
per se Per se may refer to: * ''per se'', a Latin phrase meaning "by itself" or "in itself". * Illegal ''per se'', the legal usage in criminal and antitrust law * Negligence ''per se'', legal use in tort law *Per Se (restaurant), a New York City restauran ...
'' is a mental disorder, or based upon a prior assumption that the patient should change his/her homosexual orientation". They do, however, encourage gay affirmative psychotherapy."LGBT-Sexual Orientation: What is Sexual Orientation?"
, the official web pages of APA. Accessed 9 April 2015
Similarly, the American Psychological Association is doubtful about the effectiveness and side-effect profile of sexual orientation change efforts, including conversion therapy. The American Psychological Association "encourages mental health professionals to avoid misrepresenting the efficacy of sexual orientation change efforts by promoting or promising change in sexual orientation when providing assistance to individuals distressed by their own or others' sexual orientation and concludes that the benefits reported by participants in sexual orientation change efforts can be gained through approaches that do not attempt to change sexual orientation".


Parenting

Scientific research has been generally consistent in showing that lesbian and gay parents are as fit and capable as heterosexual parents, and their children are as psychologically healthy and well-adjusted as children reared by heterosexual parents. According to scientific literature reviews, there is no evidence to the contrary. A 2001 review suggested that the children with lesbian or gay parents appear less traditionally gender-typed and are more likely to be open to homoerotic relationships, partly due to genetic (80% of the children being raised by same-sex couples in the US are not adopted and most are the result of previous heterosexual marriages.) and family socialization processes (children grow up in relatively more tolerant school, neighborhood, and social contexts, which are less heterosexist), even though majority of children raised by same-sex couples identify as heterosexual. A 2005 review by Charlotte J. Patterson for the American Psychological Association found that the available data did not suggest higher rates of homosexuality among the children of lesbian or gay parents.American Psychological Associatio
Lesbian & Gay Parenting


Health


Physical

The terms "
men who have sex with men Men who have sex with men (MSM) are male persons who engage in sexual activity with members of the same sex. The term was created in the 1990s by epidemiologists to study the spread of disease among all men who have sex with men, regardless of ...
" (MSM) and " women who have sex with women" (WSW) refer to people who engage in sexual activity with others of the same sex regardless of how they identify themselves—as many choose not to accept social identities as lesbian, gay and bisexual. These terms are often used in medical literature and social research to describe such groups for study, without needing to consider the issues of sexual self-identity. The terms are seen as problematic by some, however, because they "obscure social dimensions of sexuality; undermine the self-labeling of lesbian, gay, and bisexual people; and do not sufficiently describe variations in sexual behavior". In contrast to its benefits, sexual behavior can be a
disease vector In epidemiology, a disease vector is any living agent that carries and transmits an infectious pathogen to another living organism; agents regarded as vectors are organisms, such as parasites or microbes. The first major discovery of a disease v ...
. Safe sex is a relevant harm reduction philosophy. Many countries currently prohibit men who have sex with men from donating blood; the policy of the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
Food and Drug Administration The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food ...
states that "they are, as a group, at increased risk for HIV, hepatitis B and certain other infections that can be transmitted by transfusion."


Public health

These safer sex recommendations are agreed upon by public health officials for women who have sex with women to avoid sexually transmitted infections (STIs): * Avoid contact with a partner's menstrual blood and with any visible genital lesions. * Cover sex toys that penetrate more than one person's vagina or anus with a new
condom A condom is a sheath-shaped Barrier contraception, barrier device used during sexual intercourse to reduce the probability of pregnancy or a Sexually transmitted disease, sexually transmitted infection (STI). There are both male and female con ...
for each person; consider using different toys for each person. * Use a barrier (e.g., latex sheet,
dental dam A dental dam or rubber dam is a thin, square sheet, usually latex or nitrile, used in dentistry to isolate the operative site (one or more teeth) from the rest of the mouth. Sometimes termed "Kofferdam" (from German), it was designed in the Un ...
, cut-open condom, plastic wrap) during oral sex. * Use latex or vinyl gloves and lubricant for any manual sex that might cause bleeding.Mravack, Sally A. (July 2006)."Primary Care for Lesbians and Bisexual Women", ''American Family Physician'' 74 (2) pp.279–286. These safer sex recommendations are agreed upon by public health officials for men who have sex with men to avoid sexually transmitted infections: * Avoid contact with a partner's bodily fluids and with any visible genital lesions. * Use
condom A condom is a sheath-shaped Barrier contraception, barrier device used during sexual intercourse to reduce the probability of pregnancy or a Sexually transmitted disease, sexually transmitted infection (STI). There are both male and female con ...
s for anal and oral sex. * Use a barrier (e.g., latex sheet, dental dam, cut-open condom) during anal–oral sex. * Cover sex toys that penetrate more than one person's anus with a new condom for each person; consider using different toys for each person. * Use latex or vinyl gloves and lubricant for any manual sex that might cause bleeding.


Mental

When it was first described in medical literature, homosexuality was often approached from a view that sought to find an inherent psychopathology as its root cause. Much literature on mental health and homosexual patients centered on their depression, substance abuse, and suicide. Although these issues exist among people who are non-heterosexual, discussion about their causes shifted after homosexuality was removed from the Diagnostic and Statistical Manual (DSM) in 1973. Instead, social ostracism, legal discrimination, internalization of negative stereotypes, and limited support structures indicate factors homosexual people face in Western societies that often adversely affect their mental health. Stigma, prejudice, and discrimination stemming from negative societal attitudes toward homosexuality lead to a higher prevalence of mental health disorders among lesbians, gay men, and bisexuals compared to their heterosexual peers. Evidence indicates that the liberalization of these attitudes over the 1990s through the 2010s is associated with a decrease in such mental health risks among younger LGBT people.


Gay and lesbian youth

Gay and lesbian youth bear an increased risk of suicide, substance abuse, school problems, and isolation because of a "hostile and condemning environment, verbal and physical abuse, rejection and isolation from family and peers". Further, LGBT youths are more likely to report psychological and physical abuse by parents or caretakers, and more sexual abuse. Suggested reasons for this disparity are that (1) LGBT youths may be specifically targeted on the basis of their perceived sexual orientation or gender non-conforming appearance, and (2) that "risk factors associated with sexual minority status, including discrimination, invisibility, and rejection by family members...may lead to an increase in behaviors that are associated with risk for victimization, such as substance abuse, sex with multiple partners, or running away from home as a teenager." A 2008 study showed a correlation between the degree of rejecting behavior by parents of LGB adolescents and negative health problems in the teenagers studied: Crisis centers in larger cities and information sites on the Internet have arisen to help youth and adults. The Trevor Project, a suicide prevention helpline for gay youth, was established following the 1998 airing on HBO of the
Academy Award The Academy Awards, better known as the Oscars, are awards for artistic and technical merit for the American and international film industry. The awards are regarded by many as the most prestigious, significant awards in the entertainment ind ...
winning short film ''
Trevor Trevor ( Trefor in the Welsh language) is a common given name or surname of Welsh origin. It is an habitational name, deriving from the Welsh ''tre(f)'', meaning "homestead", or "settlement" and ''fawr'', meaning "large, big". The Cornish lang ...
''.


Law and politics


Legality

Most nations do not prohibit consensual sex between unrelated persons above the local
age of consent The age of consent is the age at which a person is considered to be legally competent to consent to sexual acts. Consequently, an adult who engages in sexual activity with a person younger than the age of consent is unable to legally cla ...
. Some jurisdictions further recognize identical rights, protections, and privileges for the family structures of same-sex couples, including
marriage Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between ...
. Some countries and jurisdictions mandate that all individuals restrict themselves to heterosexual activity and disallow homosexual activity via sodomy laws. Offenders can face the death penalty in Islamic countries and jurisdictions ruled by
sharia Sharia (; ar, شريعة, sharīʿa ) is a body of religious law that forms a part of the Islamic tradition. It is derived from the religious precepts of Islam and is based on the sacred scriptures of Islam, particularly the Quran and the H ...
. There are, however, often significant differences between official policy and real-world enforcement. Although homosexual acts were decriminalized in some parts of the
Western world The Western world, also known as the West, primarily refers to the various nations and states in the regions of Europe, North America, and Oceania.
, such as
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...
in 1932,
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...
in 1933,
Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic countries, Nordic c ...
in 1944, and
England and Wales England and Wales () is one of the three legal jurisdictions of the United Kingdom. It covers the constituent countries England and Wales and was formed by the Laws in Wales Acts 1535 and 1542. The substantive law of the jurisdiction is En ...
in 1967, it was not until the mid-1970s that the gay community first began to achieve limited
civil rights Civil and political rights are a class of rights that protect individuals' freedom from infringement by governments, social organizations, and private individuals. They ensure one's entitlement to participate in the civil and political life ...
in some
developed countries A developed country (or industrialized country, high-income country, more economically developed country (MEDC), advanced country) is a sovereign state that has a high quality of life, developed economy and advanced technological infrastruct ...
. A turning point was reached in 1973 when the
American Psychiatric Association The American Psychiatric Association (APA) is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the largest psychiatric organization in the world. It has more than 37,000 members are invo ...
, which previously listed homosexuality in the DSM-I in 1952, removed homosexuality in the DSM-II, in recognition of scientific evidence. In 1977,
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirte ...
became the first state-level jurisdiction in the world to prohibit
discrimination Discrimination is the act of making unjustified distinctions between people based on the groups, classes, or other categories to which they belong or are perceived to belong. People may be discriminated on the basis of Racial discrimination, r ...
on the grounds of sexual orientation. During the 1980s and 1990s, several developed countries enacted laws decriminalizing homosexual behavior and prohibiting discrimination against lesbian and gay people in employment, housing, and services. On the other hand, many countries today in the Middle East and Africa, as well as several countries in Asia, the Caribbean and the South Pacific, outlaw homosexuality. In 2013, the
Supreme Court of India The Supreme Court of India ( IAST: ) is the supreme judicial authority of India and is the highest court of the Republic of India under the constitution. It is the most senior constitutional court, has the final decision in all legal matters ...
upheld Section 377 of the
Indian Penal Code The Indian Penal Code (IPC) is the official criminal code of India. It is a comprehensive code intended to cover all substantive aspects of criminal law. The code was drafted on the recommendations of first law commission of India established ...
, but in 2018 overturned itself and legalized homosexual activity in India. Ten countries or jurisdictions, all of which are predominantly
Islam Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God (or '' Allah'') as it was revealed to Muhammad, the ...
ic and governed according to
sharia Sharia (; ar, شريعة, sharīʿa ) is a body of religious law that forms a part of the Islamic tradition. It is derived from the religious precepts of Islam and is based on the sacred scriptures of Islam, particularly the Quran and the H ...
law, have imposed the
death penalty for homosexuality Capital punishment as a criminal punishment for homosexuality has been implemented by a number of countries in their history. It currently remains a legal punishment in several countries and regions, all of which have sharia-based criminal laws. ...
. These include Afghanistan, Iran, Brunei, Mauritania, Saudi Arabia, and several regions in Nigeria and Jubaland.


Laws against sexual orientation discrimination


United States

* Employment discrimination refers to discriminatory employment practices such as bias in hiring, promotion, job assignment, termination, and compensation, and various types of harassment. In the United States there is "very little statutory, common law, and case law establishing employment discrimination based upon sexual orientation as a legal wrong." § 5:17 Some exceptions and alternative legal strategies are available. President
Bill Clinton William Jefferson Clinton (né Blythe III; born August 19, 1946) is an American politician who served as the 42nd president of the United States from 1993 to 2001. He previously served as governor of Arkansas from 1979 to 1981 and again ...
's Executive Order 13087 (1998) prohibits discrimination based on sexual orientation in the competitive service of the federal civilian workforce, and federal non-civil service employees may have recourse under the Due Process Clause of the U.S. Constitution.''Ashton v. Civiletti'', 613
F.2d The ''Federal Reporter'' () is a case law reporter in the United States that is published by West Publishing and a part of the National Reporter System. It begins with cases decided in 1880; pre-1880 cases were later retroactively compiled by We ...
923, 20 Fair Empl. Prac. Cas. ( BNA) 1601, 21 Empl. Prac. Dec. ( CCH) paragraph 30297 (D.C. Cir. 1979)
Private sector workers may have a Title VII of the Civil Rights Act of 1964 action under a quid pro quo sexual harassment theory,''Kelly v. City of Oakland'', 198 F.3d 779, 81 Fair Empl. Prac. Cas. (BNA) 1455, 77 Empl. Prac. Dec. (CCH) paragraph 46281 (9th Cir. 1999) a " hostile work environment" theory,. a sexual stereotyping theory,. or others. * Housing discrimination refers to discrimination against potential or current tenants by landlords. In the United States, there is no federal law against such discrimination on the basis of sexual orientation or gender identity, but at least thirteen states and many major cities have enacted laws prohibiting it. *
Hate crime A hate crime (also known as a bias-motivated crime or bias crime) is a prejudice-motivated crime which occurs when a perpetrator targets a victim because of their membership (or perceived membership) of a certain social group or racial demograph ...
s (also known as bias crimes) are crimes motivated by bias against an identifiable
social group In the social sciences, a social group can be defined as two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity. Regardless, social groups come in a myriad of sizes and varieties ...
, usually groups defined by race (human classification),
religion Religion is usually defined as a social- cultural system of designated behaviors and practices, morals, beliefs, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that generally relates humanity to supernatur ...
, sexual orientation,
disability Disability is the experience of any condition that makes it more difficult for a person to do certain activities or have equitable access within a given society. Disabilities may be cognitive, developmental, intellectual, mental, physical, ...
,
ethnicity An ethnic group or an ethnicity is a grouping of people who identify with each other on the basis of shared attributes that distinguish them from other groups. Those attributes can include common sets of traditions, ancestry, language, history, ...
,
nationality Nationality is a legal identification of a person in international law, establishing the person as a subject, a ''national'', of a sovereign state. It affords the state jurisdiction over the person and affords the person the protection of t ...
, age,
gender Gender is the range of characteristics pertaining to femininity and masculinity and differentiating between them. Depending on the context, this may include sex-based social structures (i.e. gender roles) and gender identity. Most culture ...
,
gender identity Gender identity is the personal sense of one's own gender. Gender identity can correlate with a person's assigned sex or can differ from it. In most individuals, the various biological determinants of sex are congruent, and consistent with the ...
, or
political affiliation A political party is an organization that coordinates candidates to compete in a particular country's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific ideological or pol ...
. In the United States, 45 states and the
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle (Washington, D.C.), Logan Circle, Jefferson Memoria ...
have statutes criminalizing various types of bias-motivated violence or intimidation (the exceptions are AZ, GA, IN, SC, and WY). Each of these statutes covers bias on the basis of race, religion, and ethnicity; 32 of them cover sexual orientation, 28 cover gender, and 11 cover transgender/gender-identity. In October 2009, the Matthew Shepard and James Byrd Jr. Hate Crimes Prevention Act, which "...gives the Justice Department the power to investigate and prosecute bias-motivated violence where the perpetrator has selected the victim because of the person's actual or perceived race, color, religion, national origin, gender, sexual orientation, gender identity or disability", was signed into law and makes hate crime based on sexual orientation, amongst other offenses, a federal crime in the United States.


European Union

In the
European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are located primarily in Europe, Europe. The union has a total area of ...
, discrimination of any type based on sexual orientation or gender identity is illegal under the Charter of Fundamental Rights of the European Union.


Political activism

Since the 1960s, many LGBT people in the West, particularly those in major metropolitan areas, have developed a so-called gay culture. To many, gay culture is exemplified by the gay pride movement, with annual parades and displays of rainbow flags. Yet not all LGBT people choose to participate in "queer culture", and many gay men and women specifically decline to do so. To some it seems to be a frivolous display, perpetuating gay stereotypes. With the outbreak of
AIDS Human immunodeficiency virus infection and acquired immunodeficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), a retrovirus. Following initial infection an individual ma ...
in the early 1980s, many LGBT groups and individuals organized campaigns to promote efforts in AIDS education, prevention, research, patient support, and community outreach, as well as to demand government support for these programs. The death toll wrought by the AIDS epidemic at first seemed to slow the progress of the gay rights movement, but in time it galvanized some parts of the LGBT community into community service and political action, and challenged the heterosexual community to respond compassionately. Major American motion pictures from this period that dramatized the response of individuals and communities to the AIDS crisis include '' An Early Frost'' (1985), '' Longtime Companion'' (1990), '' And the Band Played On'' (1993), ''
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since ...
'' (1993), and '' Common Threads: Stories from the Quilt'' (1989). Publicly gay politicians have attained numerous government posts, even in countries that had sodomy laws in their recent past. Examples include Guido Westerwelle, Germany's
Vice-Chancellor A chancellor is a leader of a college or university, usually either the executive or ceremonial head of the university or of a university campus within a university system. In most Commonwealth and former Commonwealth nations, the chancellor ...
; Pete Buttigieg, the United States Secretary of Transportation, Peter Mandelson, a British Labour Party cabinet minister and Per-Kristian Foss, formerly Norwegian
Minister of Finance A finance minister is an executive or cabinet position in charge of one or more of government finances, economic policy and financial regulation. A finance minister's portfolio has a large variety of names around the world, such as "treasury", ...
. LGBT movements are opposed by a variety of individuals and organizations. Some social conservatives believe that all sexual relationships with people other than an opposite-sex spouse undermine the traditional family and that children should be reared in homes with both a father and a mother. Some argue that gay rights may conflict with individuals' freedom of speech, religious freedoms in the workplace, the ability to run churches, charitable organizations and other religious organizations in accordance with one's religious views, and that the acceptance of homosexual relationships by religious organizations might be forced through threatening to remove the tax-exempt status of churches whose views do not align with those of the government. Some critics charge that
political correctness ''Political correctness'' (adjectivally: ''politically correct''; commonly abbreviated ''PC'') is a term used to describe language, policies, or measures that are intended to avoid offense or disadvantage to members of particular groups in socie ...
has led to the association of sex between males and HIV being downplayed.


Military service

Policies and attitudes toward gay and lesbian
military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...
personnel vary widely around the world. Some countries allow gay men, lesbians, and bisexual people to serve openly and have granted them the same rights and privileges as their heterosexual counterparts. Many countries neither ban nor support LGB service members. A few countries continue to ban homosexual personnel outright. Most Western military forces have removed policies excluding sexual minority members. Of the 26 countries that participate militarily in
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...
, more than 20 permit openly gay, lesbian and bisexual people to serve. Of the permanent members of the
United Nations Security Council The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN) and is charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, ...
, three (
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
and
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
) do so. The other two generally do not:
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
bans gay and lesbian people outright,
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
excludes all gay and lesbian people during peacetime but allows some gay men to serve in wartime (see below).
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
is the only country in the Middle East region that allows openly LGB people to serve in the military. While the question of homosexuality in the military has been highly politicized in the United States, it is not necessarily so in many countries. Generally speaking, sexuality in these cultures is considered a more personal aspect of one's identity than it is in the United States. According to the
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
,
empirical evidence Empirical evidence for a proposition is evidence, i.e. what supports or counters this proposition, that is constituted by or accessible to sense experience or experimental procedure. Empirical evidence is of central importance to the sciences ...
fails to show that sexual orientation is germane to any aspect of military effectiveness including unit cohesion, morale, recruitment and retention. Sexual orientation is irrelevant to task cohesion, the only type of cohesion that critically predicts the team's military readiness and success.


Society and sociology


Public opinion

Societal acceptance of non-heterosexual orientations such as homosexuality is lowest in Asian, African and Eastern European countries, and is highest in Western Europe, Australia, and the Americas. Western society has become increasingly accepting of homosexuality since the 1990s. In 2017, Professor Amy Adamczyk contended that these cross-national differences in acceptance can be largely explained by three factors: the relative strength of democratic institutions, the level of economic development, and the religious context of the places where people live.


Relationships

In 2006, the
American Psychological Association The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with over 133,000 members, including scientists, educators, clinicians, consultants, and students. It ha ...
,
American Psychiatric Association The American Psychiatric Association (APA) is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the largest psychiatric organization in the world. It has more than 37,000 members are invo ...
and
National Association of Social Workers The National Association of Social Workers (NASW) is a professional organization of social workers in the United States. NASW has about 120,000 members. The NASW provides guidance, research, up to date information, advocacy, and other resources ...
stated in an amicus brief presented to the
Supreme Court of California The Supreme Court of California is the Supreme court, highest and final court of appeals in the judiciary of California, courts of the U.S. state of California. It is headquartered in San Francisco at the Earl Warren Building, but it regularly h ...
: "Gay men and lesbians form stable, committed relationships that are equivalent to heterosexual relationships in essential respects. The institution of marriage offers social, psychological, and health benefits that are denied to same-sex couples. By denying same-sex couples the right to marry, the state reinforces and perpetuates the stigma historically associated with homosexuality. Homosexuality remains stigmatized, and this stigma has negative consequences. California's prohibition on marriage for same-sex couples reflects and reinforces this stigma". They concluded: "There is no scientific basis for distinguishing between same-sex couples and heterosexual couples with respect to the legal rights, obligations, benefits, and burdens conferred by civil marriage."


Religion

Though the relationship between
homosexuality and religion The relationship between religion and homosexuality has varied greatly across time and place, within and between different religions and denominations, with regard to different forms of homosexuality and bisexuality. The present-day doctrines o ...
is complex, current authoritative bodies and doctrines of the world's largest religions view homosexual behaviour negatively. This can range from quietly discouraging homosexual activity, to explicitly forbidding same-sex sexual practices among adherents and actively opposing social acceptance of homosexuality. Some teach that homosexual desire itself is sinful, others state that only the sexual act is a sin, while others are completely accepting of gays and
lesbian A lesbian is a Homosexuality, homosexual woman.Zimmerman, p. 453. The word is also used for women in relation to their sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate n ...
s. Some claim that homosexuality can be overcome through religious faith and practice. On the other hand, voices exist within many of these religions that view homosexuality more positively, and liberal
religious denomination A religious denomination is a subgroup within a religion that operates under a common name and tradition among other activities. The term refers to the various Christian denominations (for example, Eastern Orthodox, Catholic, and the many varie ...
s may bless
same-sex marriage Same-sex marriage, also known as gay marriage, is the marriage of two people of the same sex or gender. marriage between same-sex couples is legally performed and recognized in 33 countries, with the most recent being Mexico, constituting ...
s. Some view same-sex love and sexuality as sacred, and a mythology of same-sex love can be found around the world.


Discrimination


Gay bullying

Gay bullying can be the verbal or physical abuse against a person who is perceived by the aggressor to be
lesbian A lesbian is a Homosexuality, homosexual woman.Zimmerman, p. 453. The word is also used for women in relation to their sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate n ...
, gay, bisexual,
transgender A transgender (often abbreviated as trans) person is someone whose gender identity or gender expression does not correspond with their sex assigned at birth. Many transgender people experience dysphoria, which they seek to alleviate through ...
, or generally queer, including persons who are actually heterosexual or of non-specific or unknown
sexual orientation Sexual orientation is an enduring pattern of romantic or sexual attraction (or a combination of these) to persons of the opposite sex or gender, the same sex or gender, or to both sexes or more than one gender. These attractions are generall ...
. In the US, teenage students heard anti-gay slurs such as "homo", "faggot" and "sissy" about 26 times a day on average, or once every 14 minutes, according to a 1998 study by Mental Health America (formerly National Mental Health Association).


Heterosexism and homophobia

In many cultures, homosexual people are frequently subject to prejudice and discrimination. A 2011 Dutch study concluded that 49% of Holland's youth and 58% of youth foreign to the country reject homosexuality. Similar to other minority groups they can also be subject to stereotyping. These attitudes tend to be due to forms of homophobia and heterosexism (negative
attitude Attitude may refer to: Philosophy and psychology * Attitude (psychology), an individual's predisposed state of mind regarding a value * Metaphysics of presence * Propositional attitude, a relational mental state connecting a person to a propo ...
s, bias, and discrimination in favor of opposite-sex sexuality and relationships). Heterosexism can include the presumption that everyone is heterosexual or that opposite-sex attractions and relationships are the norm and therefore superior. is a fear of, aversion to, or discrimination against homosexual people. It manifests in different forms, and a number of different types have been postulated, among which are internalized homophobia, social homophobia, emotional homophobia, rationalized homophobia, and others. Similar is lesbophobia (specifically targeting lesbians) and
biphobia Biphobia is aversion toward bisexuality and bisexual people as individuals. It is a form of homophobia against those in the bisexual community. It can take the form of denial that bisexuality is a genuine sexual orientation, or of negative ste ...
(against bisexual people). When such attitudes manifest as crimes they are often called
hate crimes A hate crime (also known as a bias-motivated crime or bias crime) is a prejudice-motivated crime which occurs when a perpetrator targets a victim because of their membership (or perceived membership) of a certain social group or racial demograph ...
and gay bashing. Negative stereotypes characterize LGB people as less romantically stable and more likely to abuse children, but there is no scientific basis to such assertions. Gay men and lesbians form stable, committed relationships that are equivalent to heterosexual relationships in essential respects. Sexual orientation does not affect the likelihood that people will abuse children.Michael Lamb, PhD
Affidavit – United States District Court for the District of Massachusetts (2009)
Gregory M. Herek, PhD

Claims that there is scientific evidence to support an association between being gay and being a pedophile are based on misuses of those terms and misrepresentation of the actual evidence.


Violence against homosexuals

In the United States, the FBI reported that 20.4% of hate crimes reported to law enforcement in 2011 were based on sexual orientation bias. 56.7% of these crimes were based on bias against homosexual men. 11.1% were based on bias against homosexual women. 29.6% were based on anti-homosexual bias without regard to gender. The 1998 murder of
Matthew Shepard Matthew Wayne Shepard (December 1, 1976 – October 12, 1998) was a gay American student at the University of Wyoming who was beaten, tortured, and left to die near Laramie on the night of October 6, 1998. He was taken by rescuers to Pou ...
, a gay student, is a notorious such incident in the U.S. LGBT people, especially lesbians, may become the victims of " corrective rape", a violent crime with the supposed aim of making them heterosexual. In certain parts of the world, LGBT people are also at risk of "
honor killing An honor killing (American English), honour killing (Commonwealth English), or shame killing is the murder of an individual, either an outsider or a member of a family, by someone seeking to protect what they see as the dignity and honor of ...
s" perpetrated by their families or relatives. In
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to A ...
, a
constitutional monarchy A constitutional monarchy, parliamentary monarchy, or democratic monarchy is a form of monarchy in which the monarch exercises their authority in accordance with a constitution and is not alone in decision making. Constitutional monarchies dif ...
following Islamic laws, homosexual acts are a punishable offence. With a population hostile towards LGBT people, the country has witnessed public demonstrations against homosexuals, public denunciations of presumed homosexual individuals, as well as violent intrusions in private homes. The community in the country is exposed to additional risk of prejudice, social rejection and violence, with a greater impossibility of obtaining protection even from the police.


Homosexual behavior in other animals

Homosexual and bisexual behaviors occur in a number of other animal species. Such behaviors include sexual activity,
courtship Courtship is the period wherein some couples get to know each other prior to a possible marriage. Courtship traditionally may begin after a betrothal and may conclude with the celebration of marriage. A courtship may be an informal and private m ...
,
affection Affection or fondness is a "disposition or state of mind or body" that is often associated with a feeling or type of love. It has given rise to a number of branches of philosophy and psychology concerning emotion, disease, influence, and sta ...
, pair bonding, and
parenting Parenting or child rearing promotes and supports the physical, emotional, social, spiritual and intellectual development of a child from infancy to adulthood. Parenting refers to the intricacies of raising a child and not exclusively for a ...
, and are widespread; a 1999 review by researcher Bruce Bagemihl shows that homosexual behavior has been documented in about 500 species, ranging from
primate Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians ( monkeys and apes, the latter includin ...
s to gut worms. Animal sexual behavior takes many different forms, even within the same species. The motivations for and implications of these behaviors have yet to be fully understood, since most species have yet to be fully studied. According to Bagemihl, "the animal kingdom oesit with much greater sexual diversity—including homosexual, bisexual and nonreproductive sex—than the scientific community and society at large have previously been willing to accept". According to Bailey et al., humans and domestic sheep are the only animals conclusively proven to exhibit a homosexual orientation. A review paper by N. W. Bailey and Marlene Zuk looking into studies of same-sex sexual behaviour in animals challenges the view that such behaviour lowers reproductive success, citing several hypotheses about how same-sex sexual behavior might be adaptive; these hypotheses vary greatly among different species. Bailey and Zuk also suggest future research needs to look into evolutionary consequences of same-sex sexual behaviour, rather than only looking into origins of such behaviour.


See also

* LGBT rights by country or territory * LGBT rights at the United Nations * Anti-LGBT rhetoric * Biology and sexual orientation * Fraternal birth order and male sexual orientation * Gay sexual practices *
Gender dysphoria Gender dysphoria (GD) is the distress a person experiences due to a mismatch between their gender identitytheir personal sense of their own genderand their sex assigned at birth. The diagnostic label gender identity disorder (GID) was used unti ...
* Hate speech * Human male sexuality * List of nonfiction books about homosexuality * List of gay, lesbian or bisexual people * Religion and sexuality * Riddle homophobia scale * Sexuality and gender identity-based cultures


Notes


References


Books

;1980s * Adam, Barry (1987). ''The Rise of a Gay and Lesbian Movement'', G. K. Hall & Co. * * Dover, Kenneth J., ''Greek Homosexuality'', Gerald Duckworth & Co. Ltd. 1979, (hardcover), (paperback) * d'Emilio, John ''Sexual Politics, Sexual Communities: The Making of a Homosexual Minority in the United States, 1940–1970'',
University of Chicago Press The University of Chicago Press is the largest and one of the oldest university presses in the United States. It is operated by the University of Chicago and publishes a wide variety of academic titles, including '' The Chicago Manual of Style' ...
1983, * * Roth, Norman. ''The care and feeding of gazelles: Medieval Arabic and Hebrew love poetry.'' IN: Lazar & Lacy. ''Poetics of Love in the Middle Ages'', George Mason University Press 1989, ;1990s * * Bérubé, Allan, ''Coming out under Fire: The History of Gay Men and Women in World War Two'', New York: MacMillan 1990, * * * * * * Hinsch, Bret, ''Passions of the Cut Sleeve: The Male Homosexual Tradition in China'', The University of California Press, 1990, * * * * * Rousseau, George, ''Perilous Enlightenment: Pre- and Post-Modern Discourses—Sexual, Historical'', Manchester University Press 1991, * * ;2000s * * * * * * *


Journal articles

* * * * *


Online articles

* Burr, Chandler
Homosexuality and biology
. ''The Atlantic'', June 1997, . An overview of recent research in layman's language.
BBC News (Feb 1998)
: Fingerprints Study
BBC News (Apr 1999)
: Doubt cast on 'gay gene' *
BBC News (Oct 2004)
: Genetics of homosexuality * James Davidson, ''
London Review of Books The ''London Review of Books'' (''LRB'') is a British literary magazine published twice monthly that features articles and essays on fiction and non-fiction subjects, which are usually structured as book reviews. History The ''London Review o ...
'', 2 June 2005
"Mr and Mr and Mrs and Mrs"
—detailed review of ''The Friend'', by Alan Bray, a history of same-sex marriage and other same-sex formal bonds


External links

*
Stanford Encyclopedia of Philosophy – Homosexuality
{{Authority control LGBT studies Love Psychiatric false diagnosis 1860s neologisms