Illegal immigrant population of the United States
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The undocumented immigrant population of the United States is uncertain and is difficult to determine the actual size and origin due to difficulty in accurately counting individuals in this
population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...
. Figures from national surveys, administrative data, and other sources of information vary widely. By all measures, the population of undocumented immigrants in the U.S. declined substantially from 2007 until at least 2018. The number of border apprehensions substantially declined after 2000, reaching a low in 2017, but rebounded to reach a new peak level as of 2021.


Size

According to the nonpartisan
Pew Research Center The Pew Research Center (also simply known as Pew) is a nonpartisan American think tank based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the world. It ...
, the number rose rapidly in the 1990s, "from an estimated 3.5 million in 1990 to a peak of 12.2 million in 2007," then dropped sharply during the
Great Recession The Great Recession was a period of market decline in economies around the world that occurred from late 2007 to mid-2009.
before stabilizing in 2009.Jeffrey S. Passel & D'Vera Cohn
Unauthorized immigrant population stable for half a decade
Pew Research Center (September 21, 2016).
Pew estimated the total population to be 11.1 million in 2014, or approximately 3 percent of the US population. This "is in the same ballpark" as figures from the
United States Department of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. United States federal executive departments, federal executive department responsible for public security, roughly comparable to the Interior minister, interior, Home Secretary ...
(DHS), which estimated that 11.4 million undocumented immigrants lived in the United States in January 2012.Amy Sherman
Donald Trump wrongly says the number of illegal immigrants is 30 million or higher
Politifact PolitiFact.com is an American nonprofit project operated by the Poynter Institute in St. Petersburg, Florida, with offices there and in Washington, D.C. It began in 2007 as a project of the ''Tampa Bay Times'' (then the ''St. Petersburg Times ...
(July 28, 2015).
The estimate and trends are also consistent with figures reported by the Center for Migration Studies, which reported that the US undocumented immigrant population fell to 10.9 million by January 2016, the lowest number since 2003. A 2018 paper by three
Yale School of Management The Yale School of Management (also known as Yale SOM) is the graduate school, graduate business school of Yale University, a Private university, private research university in New Haven, Connecticut. The school awards the Master of Business Admi ...
professors estimated that the undocumented immigrant population was in the range of 16 million to 29 million, however, the methodology presented in this study has been criticized as leading to vastly overstated results.


Estimation method

The "residual method" is widely used to estimate the undocumented immigrant population of the US. With this method, the known number of legally documented immigrants to the United States is subtracted from the reported US Census number of self-proclaimed foreign-born people (based on immigration records and adjusted by projections of deaths and out-migration) to obtain the total undocumented immigrant (residual) population. This methodology is used by the US Department of Homeland Security, the Pew Hispanic Center, the Center for Immigration Studies, and the
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
. Since undocumented immigrants have many reasons for not answering the US Census correctly and since penalties for answering the US Census incorrectly are rarely enforced, it is accepted that it under-counts the number of undocumented immigrants. The users of this methodology assume that 10% of undocumented immigrants are not counted by census takers. The 10% assumption is based on a 2001
University of California The University of California (UC) is a public university, public Land-grant university, land-grant research university, research university system in the U.S. state of California. Headquartered in Oakland, California, Oakland, the system is co ...
survey asked of 829 people born in Mexico and living in Los Angeles whether they responded to census interviewers in the 2000 census with 40% of queried households refusing to answer the survey. Critics claim that the estimate is unreliable for a number of reasons: figures for outmigration are not tracked by the federal government; the proportion of undocumented immigrants who respond to the Census is unknown; the estimate that 10% of undocumented immigrants do not respond to the census is arbitrary and unsupported by a sufficient sample size and geographic spread; and that the self-reporting of where one was born relies on the honesty of the person being questioned. In 2016, the
Pew Research Center The Pew Research Center (also simply known as Pew) is a nonpartisan American think tank based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the world. It ...
estimated that, in 2014, there were 11.1 million undocumented immigrants in the US. These estimates are based on modeling using data from the
American Community Survey The American Community Survey (ACS) is an annual demographics survey program conducted by the United States Census Bureau. It regularly gathers information previously contained only in the long form of the United States census, decennial census ...
(ACS) or the
Current Population Survey The Current Population Survey (CPS) is a monthly survey of about 60,000 U.S. households conducted by the United States Census Bureau for the Bureau of Labor Statistics (BLS). The BLS uses the data to publish reports early each month called the Em ...
conducted by the
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
each year. A 2018 paper by three
Yale School of Management The Yale School of Management (also known as Yale SOM) is the graduate school, graduate business school of Yale University, a Private university, private research university in New Haven, Connecticut. The school awards the Master of Business Admi ...
professors yielded similar trajectories of the undocumented immigrant population, with peak growth in the 1990s and early 2000s followed by a plateau from approximately 2008 onward. However, their model yielded an estimate of the numbers of undocumented immigrants of 22.1 million — roughly twice as great as the estimates based on the ACS. Moreover, according to the three authors, their estimate has a 95 percent probability range of 16 million to 29 million. That result, however, was criticized for vastly overstating the true number and for failing to account for the circular flow rate.


Impact of the Great Recession

The
Great Recession The Great Recession was a period of market decline in economies around the world that occurred from late 2007 to mid-2009.
had a large impact on the United States. The construction sector and other areas where undocumented immigrants traditionally seek employment shrank. The recession also led to a surplus of American labor, driving down the benefit of hiring undocumented immigrants. According to the Pew Research Center, in 2007 the number of unauthorized Mexican immigrants peaked at 6.9 million and has dropped by more than 1 million to an estimated 5.6 million in 2014. After the
Great Recession The Great Recession was a period of market decline in economies around the world that occurred from late 2007 to mid-2009.
, more immigrants actually returned to Mexico rather than migrated to the United States. From 2009 to 2014, 1 million Mexicans and their families left the US for Mexico. US census data for the same period show an estimated 870,000 Mexican nationals left Mexico to return to the US It is hard to track of this because there is no official number of immigrants going to the United States or returning to Mexico every year.


Characteristics

Since about 2014, most undocumented immigrants living in the US have been long-term residents. In 2014, about two-thirds (66%) had been in the US for ten years or more, while just 14% had been in the US for less than five years. Just as the total population of undocumented immigrants in the US has declined since 2007, the proportion of undocumented immigrants in the workforce has also declined; in 2012, undocumented immigrants made up 5.1% of the US's civilian labor force. Unauthorized immigrant workers are over-represented in certain
economic sector One classical breakdown of economic activity distinguishes three sectors: * Primary: involves the retrieval and production of raw materials, such as corn, coal, wood or iron. Miners, farmers and fishermen are all workers in the primary sect ...
s, making up 26% of farming, fisheries, and forest workers; 17% of cleaning, maintenance, and groundskeeping workers; 14% of construction workers; and 11% of food preparation workers.


Undocumented Mexican Immigrants

As of 2017, the majority of undocumented immigrants are not Mexicans, with the percentage of undocumented immigrants that are Mexican steadily declining over recent years. The number of Mexican legal and undocumented immigrants in the United States grew quite rapidly over the 35 years between 1970 and 2004; increasing almost 15-fold from about 760,000 in the 1970 Census to more than 11 million in 2004—an average annual growth rate of more than 8 percent, maintained over more than three decades. On average the net Mexican population, both documented and undocumented, living in the United States has grown by about 500,000 per year from 1995 to 2005 with 80 to 85 percent of the growth attributed to unauthorized immigration. There was a net gain of 2,270,000 Mexican immigrants to the US between 1995 and 2000; a net loss of about 20,000 between 2005 and 2010; and a net loss of 140,000 between 2009 and 2014. The total number of Mexicans residing in the US, with and without authorization, was 11.7 million in 2014, down from the peak of 12.8 million in 2007. The drop is primarily the result of the decrease in the number of unauthorized migrants—which make up 48% of the Mexican population in the US in 2014, down from 54% in 2007.


Undocumented APIDA/A Immigrants

Asian Pacific Islanders Desi Americans/ Asians (APIDA/As) are the largest racial/ ethnic group of immigrants in the US making up 40% of the migrant population. Similar to other racial and ethnic groups in the United States, APIDA/A's have been subjected to racial discrimination through the Geary Act which was a law that extended the
Chinese Exclusion Act The Chinese Exclusion Act of 1882 was a United States Code, United States federal law signed by President Chester A. Arthur on May 6, 1882, prohibiting all immigration of Chinese laborers for 10 years. The law made exceptions for travelers an ...
prohibiting Chinese from legally immigrating to the United States. Additionally, APIDA/A's have been weaponized as the model minority and still to this present day viewed as perpetual foreigners which has affected society's views on undocumented immigrants in the United States. Although Mexican Americans have a long history regarding immigration that significantly contributes to the documented/ undocumented migration population in the United States; it is important to acknowledge APIDA/A immigration and their significance to the US demographic. The United States first saw a rise in Chinese immigration in the 1860's during the recruitment of the Central Pacific Railroad seeking cheap labor to build the
Transcontinental Railroad A transcontinental railroad or transcontinental railway is contiguous rail transport, railroad trackage that crosses a continent, continental land mass and has terminals at different oceans or continental borders. Such networks may be via the Ra ...
. During this time labor became very competitive between white labor and Chinese labor which resulted in
Yellow Peril The Yellow Peril (also the Yellow Terror, the Yellow Menace, and the Yellow Specter) is a Racism, racist color terminology for race, color metaphor that depicts the peoples of East Asia, East and Southeast Asia as an existential danger to the ...
– this racist depiction viewed (in this case) Chinese laborers as a danger/ threat to the Western world. However, this was only the beginning of racial discrimination for APIDA/A's. In 1882 congress passed the Chinese Exclusion Act, a federal law that prohibited immigration of Chinese laborers for 10 years and in 1892, congress passed the Geary Act as an extension of the Exclusion Act by adding additional requirements such as mandating Chinese Americans to carry a resident permit, failure to do so would result in deportation. It wasn't until 1943 when Chinese immigrants could be eligible for citizenships and at the very least could be naturalized. Although there were many other laws that contributed to racial discrimination against Asian immigration, these historical events set a precedent subjecting APIDA/A's to being continuously portrayed as the perpetual foreigner. According to the Center of Migration Studies (CMS), there are approximately 1.7 million undocumented APIDA/A immigrants in the United States. Based on AAPI Data, between the years 2000 and 2015 the population of undocumented immigrants based on regions of origin has significantly increased with immigrants from Asia increasing its population by 3.5x in the 15 years span. In contrast, the increase of undocumented immigrants from Central America (3x), Africa (2.6x), Caribbean (1.9x), South America (1.4x), and finally Mexico (1.2x). To go further into detail CMS reported India and China having the highest population of undocumented immigrants in the United States in 2015. More specifically, India being the origin country of 458, 663 undocumented individuals living in the US, following China with 387, 369 and the Philippines (247, 304), South Korea (174, 677), Vietnam (123, 060), Pakistan (49, 555), and "other Asian countries" (297, 007). To put these numbers into a better perspective; 1 out of every 7 APIDA/A immigrants is undocumented. Living all throughout the U.S., the majority of undocumented APIDA/As reside in California (463, 310), New York (166, 806), Texas (148, 612), New Jersey (115, 680), Illinois ( 71, 403), Virginia (58, 218), Florida (58, 184), and Washington (56, 987) according to CMS. Furthermore, the Pew Research Center conducted a survey between 2022–2023 and asked APIDA/A's why they chose to immigrate and as a result, 28% stated that they came to the US to reunite with family, 27% sought out economic opportunities, 26% immigrate to pursue education, and 7% sought refuge.Tian, Ziyao. "Why Asian Immigrants Come to the U.S. and How They View Life Here." Pew Research Center, Pew Research Center, 9 Oct. 2024. Retrieved 2025-02-15. As these reasons somewhat explain the increase in undocumented immigrants in the APIDA/A community, stereotypes such as the model minority myth; the monolithic belief that all Asians are the model other immigrants must abide by pin APIDA/A's against other immigration movements and communities (such as Black and Mexican American immigrants). In addition, these racial stereotypes and perceived identities erase the true stories of undocumented APIDA/A's.


2014 status

# Out of the entire workforce in the United States, 8 million were undocumented immigrants. This number includes immigrants who either found work illegally or are working in people's households under their order. Five percent of those immigrants were unemployed and looking for work. # Mexicans made up 52% of all undocumented immigrants in 2014. There were 5.8 million Mexican undocumented immigrants living in the US that year, down from 6.4 million in 2009, according to the latest
Pew Research Center The Pew Research Center (also simply known as Pew) is a nonpartisan American think tank based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the world. It ...
estimates. # California, Texas, Florida, New York, New Jersey and Illinois accounted for 59% of undocumented immigrants in 2014. Of the entire US population, 40% lived in those states.


See also

*
Illegal immigration to the United States Illegal immigration, or unauthorized immigration, occurs when foreign nationals, known as aliens, violate US immigration laws by entering the United States unlawfully, or by lawfully entering but then remaining after the expiration of their ...
* Undocumented youth in the United States


References


External links


Unauthorized Immigrant Population National and State Trends
{{DEFAULTSORT:Undocumented Immigrant Population Of The United States Illegal immigration to the United States Hispanic and Latino demographics in the United States