
A legislature (, ) is a
deliberative assembly
A deliberative assembly is a meeting of members who use parliamentary procedure.
Etymology
In a speech to the electorate at Bristol in 1774, Edmund Burke
Edmund Burke (; 12 January ew Style, NS1729 – 9 July 1797) was an Anglo-Irish Po ...
with the
legal authority to make
laws for a
political entity such as a
country
A country is a distinct part of the world, such as a state, nation, or other political entity. When referring to a specific polity, the term "country" may refer to a sovereign state, state with limited recognition, constituent country, ...
,
nation
A nation is a type of social organization where a collective Identity (social science), identity, a national identity, has emerged from a combination of shared features across a given population, such as language, history, ethnicity, culture, t ...
or
city
A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agree ...
on behalf of the people therein. They are often contrasted with the
executive and
judicial powers of
government
A government is the system or group of people governing an organized community, generally a State (polity), state.
In the case of its broad associative definition, government normally consists of legislature, executive (government), execu ...
. Legislatures can exist at different levels of government–national, state/provincial/regional, local, even supranational (such as the
European Parliament
The European Parliament (EP) is one of the two legislative bodies of the European Union and one of its seven institutions. Together with the Council of the European Union (known as the Council and informally as the Council of Ministers), it ...
). Countries differ as to what extent they grant deliberative assemblies at the subnational law-making power, as opposed to purely administrative responsibilities.
Laws enacted by legislatures are usually known as
primary legislation. In addition, legislatures may observe and steer governing actions, with authority to amend the budget involved.
The members of a legislature are called legislators. In a democracy, legislators are most commonly popularly
elected, although
indirect election and appointment by the executive are also used, particularly for
bicameral legislatures featuring an
upper house.
Terminology

The name used to refer to a legislative body varies by country.
Common names include:
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Assembly (from Old French , cf. assemble)
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Congress (from Latin , "having gone together")
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Council (from Latin , "calling out with, uniting")
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Diet (from Ancient Greek , "lifestyle, discussion, decision")
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Estates or States (from Old French , "condition, state, the state")
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Parliament
In modern politics and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: Representation (politics), representing the Election#Suffrage, electorate, making laws, and overseeing ...
(from Old French , "talking")
By names:
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Chamber of Deputies
The chamber of deputies is the lower house in many bicameral legislatures and the sole house in some unicameral legislatures.
Description
Historically, French Chamber of Deputies was the lower house of the French Parliament during the Bourb ...
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Chamber of Representatives
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House of Assembly
House of Assembly is a name given to the legislature or lower house of a bicameral parliament. In some countries this may be at a subnational level.
Historically, in British Crown colonies as the colony gained more internal responsible g ...
*
House of Chiefs
A house is a single-unit residential building. It may range in complexity from a rudimentary hut to a complex structure of wood, masonry, concrete or other material, outfitted with plumbing, electrical, and heating, ventilation, and air ...
*
House of Representatives
House of Representatives is the name of legislative bodies in many countries and sub-national entities. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often ...
*
Legislative assembly
*
Legislative council
A legislative council is the legislature, or one of the legislative chambers, of a nation, colony, or subnational division such as a province or state. It was commonly used to label unicameral or upper house legislative bodies in the Brit ...
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National Assembly
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Senate
By languages:
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Cortes (from Spanish , "courts")
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Duma (from Russian , "thought")
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Knesset (from Hebrew , "meeting")
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Majlis (from Arabic , "sitting room")
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Oireachtas (From Irish ''airecht/oireacht'', "deliberative assembly of freemen")
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Rada (from Polish , "'advice, decision")
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Reichstag (from German , "assembly of the empire")
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Landtag (from German , "assembly of the country")
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Sansad (from Sanskrit , "assembly")
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Sejm (from Polish , "take with, assembly")
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Soviet
The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
(from Russian , "council")
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Thing (from Proto-Germanic ''*þingą'', "meeting, matter discussed at a meeting")
**
Husting (from Old Norse , "house meeting")
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Veche (from Old East Slavic , "council, agreement")
Though the specific roles for each legislature differ by location, they all aim to serve the same purpose of appointing officials to represent their citizens to determine appropriate
legislation for the country.
History
Among the earliest recognised formal legislatures was the
Athenian ''
Ecclesia.''
In the
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of global history. It began with the fall of the Western Roman Empire and ...
, European monarchs would host assemblies of the nobility, which would later develop into predecessors of modern legislatures.
These were often named
the Estates. The oldest surviving legislature is the
Iceland
Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...
ic
Althing, founded in 930 CE.
Functions
Democratic legislatures have six major functions: representation, deliberation, legislation, authorizing expenditure, making governments, and oversight.
Representation
There exist five ways that representation can be achieved in a legislature:
* Formalistically: how the rules of the legislature ensure representation of constituents;
* Symbolically: how the constituents perceive their representatives;
* Descriptively: how well the composition of the legislature matches the demographics of the wider society;
* Substantively: how well representatives actually respond to the needs of their constituents;
* Collectively: how well the representatives represent the interests of the society as a whole.
Deliberation
One of the major functions of a legislature is to discuss and debate issues of major importance to society.
This activity can take place in two forms. In debating legislatures, such as the
Parliament of the United Kingdom, the floor of the legislature frequently sees lively debate.
In contrast, in committee-based legislatures like the
United States Congress
The United States Congress is the legislature, legislative branch of the federal government of the United States. It is a Bicameralism, bicameral legislature, including a Lower house, lower body, the United States House of Representatives, ...
, deliberation takes place in closed committees.
Legislation
While legislatures have nominally the sole power to create laws, the substantive extent of this power depends on details of the political system. In
Westminster-style legislatures the executive (composed of the cabinet) can essentially pass any laws it wants, as it usually has a majority of legislators behind it, kept in check by the party whip, while committee-based legislatures in continental Europe and those in
presidential systems of the
Americas
The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.''Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sing ...
have more independence in drafting and amending bills.
Authorizing expenditure
The origins of the
power of the purse which legislatures typically have in passing or denying
government budgets goes back to the European assemblies of nobility which the
monarch
A monarch () is a head of stateWebster's II New College Dictionary. "Monarch". Houghton Mifflin. Boston. 2001. p. 707. Life tenure, for life or until abdication, and therefore the head of state of a monarchy. A monarch may exercise the highest ...
s would have to consult before raising taxes.
For this power to be actually effective, the legislature should be able to amend the budget, have an effective committee system, enough time for consideration, as well as access to relevant background information.
Oversight
There are several ways in which the legislature can hold the executive branch (the administration or government) accountable. This can be done through hearings,
questioning,
interpellations,
votes of confidence, the formation of committees.
Parliaments are usually ensured with upholding the rule of law, verifying that public funds are used accountably and efficiently as well as make government processes transparent and actions so that they can be debated by the public and its representatives.
Agora notes that parliamentary systems or political parties in which political leaders can influence or decide which members receive top jobs can lead to passivity amongst members of the party and less challenging of leadership.
Agora notes that this phenomenon is acute if the election of a member is dependent on the support of political leadership.
Function in authoritarian regimes
In contrast to
democratic systems, legislatures under
authoritarianism are used to ensure the stability of the power structure by co-opting potential competing interests within the elites, which they achieve by:
* Providing legitimacy;
* Incorporating opponents into the system;
* Providing some representation of outside interests;
* Offering a way to recruit new members to the ruling clique;
* Being a channel through which limited grievances and concessions can be passed.
Internal organization
Each chamber of the legislature consists of a number of legislators who use some form of
parliamentary procedure to debate political issues and vote on proposed legislation. There must be a certain number of legislators present to carry out these activities; this is called a
quorum.
Some of the responsibilities of a legislature, such as giving first consideration to newly proposed legislation, are usually delegated to
committee
A committee or commission is a body of one or more persons subordinate to a deliberative assembly or other form of organization. A committee may not itself be considered to be a form of assembly or a decision-making body. Usually, an assembly o ...
s made up of a few of the members of the .
The members of a legislature usually represent different
political parties
A political party is an organization that coordinates candidates to compete in a particular area's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific ideological or p ...
; the members from each party generally meet as a
caucus to organize their internal affairs.
Relation to other branches of government
Legislatures vary widely in the amount of
political power they wield, compared to other political players such as
judiciaries,
militaries, and
executives. In 2009, political scientists
M. Steven Fish and
Matthew Kroenig constructed a Parliamentary powers index in an attempt to quantify the different degrees of power among national legislatures. The German
Bundestag
The Bundestag (, "Federal Diet (assembly), Diet") is the lower house of the Germany, German Federalism in Germany, federal parliament. It is the only constitutional body of the federation directly elected by the German people. The Bundestag wa ...
, the
Italian Parliament, and the Mongolian
State Great Khural tied for most powerful, while Myanmar's
House of Representatives
House of Representatives is the name of legislative bodies in many countries and sub-national entities. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often ...
and Somalia's
Transitional Federal Assembly (since replaced by the
Federal Parliament of Somalia) tied for least powerful.
Some political systems follows the principle of
legislative supremacy, which holds that the legislature is the supreme branch of government and cannot be bound by other institutions, such as the judicial branch or a written
constitution. Such a system renders the legislature more powerful.
In
parliamentary and
semi-presidential systems of
government
A government is the system or group of people governing an organized community, generally a State (polity), state.
In the case of its broad associative definition, government normally consists of legislature, executive (government), execu ...
, the
executive is responsible to the legislature, which may remove it with a
vote of no confidence. On the other hand, according to the
separation of powers doctrine, the legislature in a
presidential system is considered an independent and coequal branch of government along with both the
judiciary and the executive. Nevertheless, many presidential systems provide for the
impeachment of the executive for criminal or unconstitutional behaviour.
Legislatures will sometimes delegate their legislative power to
administrative or
executive agencies.
Members
Legislatures are made up of individual members, known as
legislators, who
vote on proposed laws. A legislature usually contains a fixed number of legislators; because legislatures usually meet in a specific room filled with seats for the legislators, this is often described as the number of "seats" it contains. For example, a legislature that has 100 "seats" has 100 members. By extension, an
electoral district that elects a single legislator can also be described as a "seat", as, for example, in the phrases "
safe seat" and "
marginal seat".
After election, the members may be protected by
parliamentary immunity or
parliamentary privilege, either for all actions the duration of their entire term, or for just those related to their legislative duties.
Chambers
A legislature may
debate and
vote upon
bills as a single unit, or it may be composed of multiple separate
assemblies, called by various names including
''legislative chambers'',
''debate chambers'', and ''houses'', which debate and vote separately and have distinct powers. A legislature which operates as a single unit is
unicameral, one divided into two chambers is
bicameral, and one divided into three chambers is
tricameral.

In bicameral legislatures, one chamber is usually considered the
upper house, while the other is considered the
lower house. The two types are not rigidly different, but members of upper houses tend to be indirectly elected or appointed rather than directly elected, tend to be allocated by
administrative division
Administrative divisions (also administrative units, administrative regions, subnational entities, or constituent states, as well as many similar generic terms) are geographical areas into which a particular independent sovereign state is divi ...
s rather than by population, and tend to have longer terms than members of the lower house. In some systems, particularly
parliamentary systems, the upper house has less power and tends to have a more advisory role, but in others, particularly
federal presidential systems, the upper house has equal or even greater power.

In
federations, the upper house typically represents the federation's component states. This is also the case with the supranational legislature of 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 Geography of the European Union, located primarily in Europe. The u ...
. The upper house may either contain the delegates of state governmentsas in the European Union and in Germany and,
before 1913, in the United Statesor be elected according to a formula that grants equal representation to states with smaller populations, as is the case in Australia and the United States since 1913.
Tricameral legislatures are rare; the
Massachusetts Governor's Council still exists, but the most recent national example existed in the waning years of White-minority rule in
South Africa
South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
.
Tetracameral legislatures no longer exist, but they were previously used in Scandinavia. The only legislature with a number of chambers bigger than four was the
Federal Assembly of Yugoslavia; initially established as a Pentacameral body in 1963, it was turned into a hexacameral body in 1967.
Size
Legislatures vary widely in their size. Among
national legislatures, China's
National People's Congress is the largest with 2,980 members,
while
Vatican City's
Pontifical Commission is the smallest with 7.
Neither legislature is democratically elected: The Pontifical Commission members are appointed by the Pope and the
National People's Congress is
indirectly elected within the context of a
one-party state.
Legislature size is a trade off between efficiency and representation; the smaller the legislature, the more efficiently it can operate, but the larger the legislature, the better it can represent the political diversity of its constituents. Comparative analysis of national legislatures has found that size of a country's
lower house tends to be proportional to the
cube root of its
population; that is, the size of the lower house tends to increase along with population, but much more slowly.
See also
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List of legislatures by country
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List of legislative buildings
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Election apportionment diagram
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Evidence-based legislation
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Highest organ of state power
References
Further reading
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{{Authority control
Separation of powers