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Bicameralism is a type of
legislature A legislature is an assembly with the authority to make law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its p ...
, one divided into two separate assemblies, chambers, or houses, known as a bicameral legislature. Bicameralism is distinguished from
unicameralism Unicameralism (from ''uni''- "one" + Latin ''camera'' "chamber") is a type of legislature, which consists of one house or assembly, that legislates and votes as one. Unicameral legislatures exist when there is no widely perceived need for multic ...
, in which all members deliberate and vote as a single group. , about 40% of world's national legislatures are bicameral, and about 60% are unicameral. Often, the members of the two chambers are elected or selected by different methods, which vary from
jurisdiction Jurisdiction (from Latin 'law' + 'declaration') is the legal term for the legal authority granted to a legal entity to enact justice. In federations like the United States, areas of jurisdiction apply to local, state, and federal levels. Jur ...
to jurisdiction. This can often lead to the two chambers having very different compositions of members.
Enactment Enactment may refer to: Law * Enactment of a bill, when a bill becomes law * Enacting formula, formulaic words in a bill or act which introduce its provisions * Enactment (British legal term), a piece of legislation or a legal instrument made un ...
of
primary legislation Primary legislation and secondary legislation (the latter also called delegated legislation or subordinate legislation) are two forms of law, created respectively by the legislature, legislative and executive (government), executive branches of ...
often requires a
concurrent majority A Concurrent Majority is a majority composed of majorities within various subgroups. As a system of government, it means that "major government policy decisions must be approved by the dominant interest groups directly affected ... each group involv ...
—the approval of a majority of members in each of the chambers of the legislature. When this is the case, the legislature may be called an example of perfect bicameralism. However, in many parliamentary and semi-presidential systems, the house to which the executive is responsible (e.g.
House of Commons The House of Commons is the name for the elected lower house of the bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of parliament. ...
of UK and
National Assembly In politics, a national assembly is either a unicameral legislature, the lower house of a bicameral legislature, or both houses of a bicameral legislature together. In the English language it generally means "an assembly composed of the repre ...
of
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 ...
) can overrule the other house (e.g.
House of Lords The House of Lords, also known as the House of Peers, is the Bicameralism, upper house of the Parliament of the United Kingdom. Membership is by Life peer, appointment, Hereditary peer, heredity or Lords Spiritual, official function. Like the ...
of UK and
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
of France) and may be regarded as an example of imperfect bicameralism. Some legislatures lie in between these two positions, with one house able to overrule the other only under certain circumstances.


History of bicameral legislatures

The British Parliament is often referred to as the "
Mother of Parliaments "The mother of parliaments" is a phrase coined by the British politician and reformer John Bright in a speech at Birmingham on 18 January 1865. It was a reference to England. His actual words were: "England is the mother of parliaments". This ...
" (in fact a misquotation of
John Bright John Bright (16 November 1811 – 27 March 1889) was a British Radical and Liberal statesman, one of the greatest orators of his generation and a promoter of free trade policies. A Quaker, Bright is most famous for battling the Corn Laws ...
, who remarked in 1865 that "England is the Mother of Parliaments") because the
British Parliament The Parliament of the United Kingdom is the supreme legislative body of the United Kingdom, the Crown Dependencies and the British Overseas Territories. It meets at the Palace of Westminster, London. It alone possesses legislative supremacy ...
has been the model for most other parliamentary systems, and its Acts have created many other parliaments. The origins of British bicameralism can be traced to 1341, when the Commons met separately from the nobility and clergy for the first time, creating what was effectively an Upper Chamber and a Lower Chamber, with the knights and burgesses sitting in the latter. This Upper Chamber became known as the
House of Lords The House of Lords, also known as the House of Peers, is the Bicameralism, upper house of the Parliament of the United Kingdom. Membership is by Life peer, appointment, Hereditary peer, heredity or Lords Spiritual, official function. Like the ...
from 1544 onward, and the Lower Chamber became known as the
House of Commons The House of Commons is the name for the elected lower house of the bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of parliament. ...
, collectively known as the
Houses of Parliament The Palace of Westminster serves as the meeting place for both the House of Commons and the House of Lords, the two houses of the Parliament of the United Kingdom. Informally known as the Houses of Parliament, the Palace lies on the north bank ...
. Many nations with parliaments have to some degree emulated the British "three-tier" model. Most countries in Europe and the
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with "republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the ...
have similarly organised parliaments with a largely ceremonial
head of state A head of state (or chief of state) is the public persona who officially embodies a state Foakes, pp. 110–11 " he head of statebeing an embodiment of the State itself or representatitve of its international persona." in its unity and l ...
who formally opens and closes parliament, a large elected lower house, and (unlike Britain) a smaller upper house. The
Founding Fathers of the United States The Founding Fathers of the United States, known simply as the Founding Fathers or Founders, were a group of late-18th-century American Revolution, American revolutionary leaders who United Colonies, united the Thirteen Colonies, oversaw the Am ...
also favoured a bicameral legislature. The idea was to have the Senate be wealthier and wiser. Benjamin Rush saw this though, and noted that "this type of dominion is almost always connected with opulence". The Senate was created to be a stabilising force, not elected by mass electors, but selected by the State legislators. Senators would be more knowledgeable and more deliberate—a sort of republican nobility—and a counter to what
James Madison James Madison Jr. (March 16, 1751June 28, 1836) was an American statesman, diplomat, and Founding Father. He served as the fourth president of the United States from 1809 to 1817. Madison is hailed as the "Father of the Constitution" for hi ...
saw as the "fickleness and passion" that could absorb the House. He noted further that "The use of the Senate is to consist in its proceeding with more coolness, with more system and with more wisdom, than the popular branch." Madison's argument led the Framers to grant the Senate prerogatives in foreign policy, an area where steadiness, discretion, and caution were deemed especially important. State legislators chose the Senate, and senators had to possess significant property to be deemed worthy and sensible enough for the position. In 1913, the 17th Amendment passed, which mandated choosing Senators by popular vote rather than State legislatures. As part of the
Great Compromise The Connecticut Compromise (also known as the Great Compromise of 1787 or Sherman Compromise) was an agreement reached during the Constitutional Convention of 1787 that in part defined the legislative structure and representation each state woul ...
, the Founding Fathers invented a new rationale for bicameralism in which the Senate had an equal number of delegates per state, and the House had representatives by relative populations.


Rationale for bicameralism and criticism

There have been a number of rationales put forward in favour of bicameralism.
Federal states A federation (also known as a federal state) is a political entity characterized by a union of partially self-governing provinces, states, or other regions under a central federal government (federalism). In a federation, the self-governi ...
have often adopted it, and the solution remains popular when regional differences or sensitivities require more explicit representation, with the upper chamber representing the constituent states. Nevertheless, the older justification for second chambers—providing opportunities for second thoughts about legislation—has survived. For states considering a different constitutional arrangement that may shift power to new groupings, bicameralism could be demanded by currently hegemonic groups who would otherwise prevent any structural shift (e.g. military dictatorships, aristocracies). The growing awareness of the complexity of the notion of representation and the multi-functional nature of modern legislatures may be affording incipient new rationales for second chambers, though these do generally remain contested institutions in ways that first chambers are not. An example of political controversy regarding a second chamber has been the debate over the powers of the
Senate of Canada The Senate of Canada (french: region=CA, Sénat du Canada) is the upper house of the Parliament of Canada. Together with the Crown and the House of Commons, they comprise the bicameral legislature of Canada. The Senate is modelled after the B ...
or the election of the
Senate of France The Senate (french: Sénat, ) is the upper house of the French Parliament, with the lower house being the National Assembly, the two houses constituting the legislature of France. The French Senate is made up of 348 senators (''sénateurs'' a ...
. The relationship between the two chambers varies: in some cases, they have equal power, while in others, one chamber is clearly superior in its powers. The first tends to be the case in federal systems and those with presidential governments. The second tends to be the case in unitary states with
parliamentary system A parliamentary system, or parliamentarian democracy, is a system of democratic governance of a state (or subordinate entity) where the executive derives its democratic legitimacy from its ability to command the support ("confidence") of the ...
s. There are two streams of thought: critics believe bicameralism makes meaningful political reforms more difficult to achieve and increases the risk of gridlock—particularly in cases where both chambers have similar powers—while proponents argue the merits of the "
checks and balances Separation of powers refers to the division of a state's government into branches, each with separate, independent powers and responsibilities, so that the powers of one branch are not in conflict with those of the other branches. The typic ...
" provided by the bicameral model, which they believe help prevent ill-considered legislation.


Communication between houses

Formal communication between houses is by various methods, including: ;Sending messages: Formal notices, such as of
resolution Resolution(s) may refer to: Common meanings * Resolution (debate), the statement which is debated in policy debate * Resolution (law), a written motion adopted by a deliberative body * New Year's resolution, a commitment that an individual mak ...
s or the passing of bills, usually done in writing, via the
clerk A clerk is a white-collar worker who conducts general office tasks, or a worker who performs similar sales-related tasks in a retail environment. The responsibilities of clerical workers commonly include record keeping, filing, staffing service ...
and
speaker Speaker may refer to: Society and politics * Speaker (politics), the presiding officer in a legislative assembly * Public speaker, one who gives a speech or lecture * A person producing speech: the producer of a given utterance, especially: ** I ...
of each house. ;Transmission: of bills or amendment to bills requiring agreement from the other house. ;
Joint session A joint session or joint convention is, most broadly, when two normally separate decision-making groups meet, often in a special session or other extraordinary meeting, for a specific purpose. Most often it refers to when both houses of a bicame ...
: a
plenary session A plenary session or plenum is a session of a conference which all members of all parties are to attend. Such a session may include a broad range of content, from keynotes to panel discussions, and is not necessarily related to a specific styl ...
of both houses at the same time and place. ;
Joint committees A joint committee is a committee made up of members of the two chambers of a bicameral legislature. In other contexts, it refers to a committee with members from more than one organization. Germany A joint committee ('' Gemeinsamer Ausschuss'') c ...
:which may be formed by committees of each house agreeing to join, or by joint resolution of each house. The
United States Congress The United States Congress is the legislature of the federal government of the United States. It is bicameral, composed of a lower body, the House of Representatives, and an upper body, the Senate. It meets in the U.S. Capitol in Washing ...
has
conference committee A committee or commission is a body of one or more persons subordinate to a deliberative assembly. A committee is not itself considered to be a form of assembly. Usually, the assembly sends matters into a committee as a way to explore them more ...
s to resolve discrepancies between House and Senate versions of a bill, similar to "Conferences" in Westminster parliaments. ;Conferences:Conferences of the Houses of the English (later British) Parliament met in the
Painted Chamber The Painted Chamber was part of the medieval Palace of Westminster. It was gutted by fire in 1834, and has been described as "perhaps the greatest artistic treasure lost in the fire". The room was re-roofed and re-furnished to be used tempora ...
of the
Palace of Westminster The Palace of Westminster serves as the meeting place for both the House of Commons of the United Kingdom, House of Commons and the House of Lords, the two houses of the Parliament of the United Kingdom. Informally known as the Houses of Parli ...
. Historically there were two distinct types: "ordinary" and "free". The British Parliament last held an ordinary conference in 1860—its elaborate procedure yielding to the simpler sending of messages. A free conference resolves a dispute through "managers" meeting less formally in private. The last free conference at Westminster was in 1836 on an amendment to the
Municipal Corporations Act 1835 The Municipal Corporations Act 1835 (5 & 6 Will 4 c 76), sometimes known as the Municipal Reform Act, was an Act of the Parliament of the United Kingdom that reformed local government in the incorporated boroughs of England and Wales. The legisl ...
; the previous one had been in 1740—with not much more success than ordinary conferences, the free type yielded to the greater transparency of messages. In the
Parliament of Australia The Parliament of Australia (officially the Federal Parliament, also called the Commonwealth Parliament) is the legislature, legislative branch of the government of Australia. It consists of three elements: the monarch (represented by the ...
there have been two formal conferences, in 1930 and 1931, but many informal conferences. the "Conference of Managers" remains the usual procedure for dispute resolution in the
Parliament of South Australia The Parliament of South Australia is the bicameral legislature of the Australian state of South Australia. It consists of the 47-seat House of Assembly ( lower house) and the 22-seat Legislative Council (upper house). General elections are ...
. In the
Parliament of New South Wales The Parliament of New South Wales is a bicameral legislature in the Australian state of New South Wales (NSW), consisting of the New South Wales Legislative Assembly (lower house) and the New South Wales Legislative Council (upper house). Eac ...
in 2011, the Legislative Assembly requested a free conference with the Legislative Council over a bill on graffiti; after a year the Council refused, describing the mechanism as archaic and inappropriate. The two houses of the
Parliament of Canada The Parliament of Canada (french: Parlement du Canada) is the federal legislature of Canada, seated at Parliament Hill in Ottawa, and is composed of three parts: the King, the Senate, and the House of Commons. By constitutional convention, the ...
have also used conferences, but not since 1947 (although they retain the option).


Examples of bicameralism at the national level


Federal

Some countries, such as
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
,
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
,
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
,
Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...
,
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...
,
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
,
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
,
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
,
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
,
Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
,
Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...
,
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 ...
,
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
,
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
,
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
, and 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 primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
, link their bicameral systems to their
federal Federal or foederal (archaic) may refer to: Politics General *Federal monarchy, a federation of monarchies *Federation, or ''Federal state'' (federal system), a type of government characterized by both a central (federal) government and states or ...
political structure. In the United States, Australia, Mexico, Brazil and Nepal for example, each state or province is given the same number of seats in one of the houses of the legislature, despite variance between the populations of the states or provinces. This is intended to ensure that smaller states are not overshadowed by larger states, which may have more representation in the other house of the legislature.


Canada

Canada's elected lower house, the
House of Commons The House of Commons is the name for the elected lower house of the bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of parliament. ...
, comprises Members of Parliament (MPs) from single-member "ridings" based mainly on population (updated every 10 years using Census data). The Commons is democratically elected every four years (constitutionally up to five years). In contrast, in Canada's upper house, Senators are appointed to serve until age 75 by the
Governor General Governor-general (plural ''governors-general''), or governor general (plural ''governors general''), is the title of an office-holder. In the context of governors-general and former British colonies, governors-general are appointed as viceroy t ...
on the
advice Advice (noun) or advise (verb) may refer to: * Advice (opinion), an opinion or recommendation offered as a guide to action, conduct * Advice (constitutional law) a frequently binding instruction issued to a constitutional office-holder * Advice (p ...
of the
Prime Minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is not ...
through an Independent Advisory Board as of 2016. The Government (i.e. executive) is responsible to and must maintain the confidence of the elected House of Commons. Although the two chambers formally have many of the same powers, this accountability clearly makes the Commons dominant—determining which party is in power, approving its proposed budget and (largely) the laws enacted. The Senate primarily acts as a chamber of revision: it almost never rejects bills passed by the Commons but does regularly amend them; such amendments respect each bill's purpose, so they are usually acceptable to the Commons. Occasionally, the two houses cannot come to an agreement on an amendment, which results in rare instances of a key Government bill failing. The Senate's power to investigate issues of concern to Canada can raise their profile (sometimes sharply) on voters' political agendas.


Australia

The bicameral
Parliament of Australia The Parliament of Australia (officially the Federal Parliament, also called the Commonwealth Parliament) is the legislature, legislative branch of the government of Australia. It consists of three elements: the monarch (represented by the ...
consists of two Houses: the
lower house A lower house is one of two Debate chamber, chambers of a Bicameralism, bicameral legislature, the other chamber being the upper house. Despite its official position "below" the upper house, in many legislatures worldwide, the lower house has co ...
is called the
House of Representatives House of Representatives is the name of legislative bodies in many countries and sub-national entitles. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often c ...
and the
upper house An upper house is one of two Debate chamber, chambers of a bicameralism, bicameral legislature, the other chamber being the lower house.''Bicameralism'' (1997) by George Tsebelis The house formally designated as the upper house is usually smalle ...
is named the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
. As of 31 August 2017, the lower house has 151 members, each elected from single-member constituencies, known as electoral divisions (commonly referred to as "electorates" or "seats") using full-preference
instant-runoff voting Instant-runoff voting (IRV) is a type of ranked preferential voting method. It uses a majority voting rule in single-winner elections where there are more than two candidates. It is commonly referred to as ranked-choice voting (RCV) in the Un ...
. This tends to lead to the chamber being dominated by two major groups, the
Liberal Liberal or liberalism may refer to: Politics * a supporter of liberalism ** Liberalism by country * an adherent of a Liberal Party * Liberalism (international relations) * Sexually liberal feminism * Social liberalism Arts, entertainment and m ...
/
National National may refer to: Common uses * Nation or country ** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen Places in the United States * National, Maryland, ce ...
Coalition A coalition is a group formed when two or more people or groups temporarily work together to achieve a common goal. The term is most frequently used to denote a formation of power in political or economical spaces. Formation According to ''A Gui ...
and the Labor Party. The government of the day must achieve the confidence of this House to gain and hold power. The upper house, the Senate, is also popularly elected, under the
single transferable vote Single transferable vote (STV) is a multi-winner electoral system in which voters cast a single vote in the form of a ranked-choice ballot. Voters have the option to rank candidates, and their vote may be transferred according to alternate p ...
system of
proportional representation Proportional representation (PR) refers to a type of electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to geographical (e.g. states, regions) and political divis ...
. There are a total of 76 senators: 12 senators are elected from each of the 6
Australian state The states and territories are federated administrative divisions in Australia, ruled by regional governments that constitute the second level of governance between the federal government and local governments. States are self-governing ...
s (regardless of population) and 2 from each of the 2 autonomous internal territories (the
Australian Capital Territory The Australian Capital Territory (commonly abbreviated as ACT), known as the Federal Capital Territory (FCT) until 1938, is a landlocked federal territory of Australia containing the national capital Canberra and some surrounding townships. ...
and the
Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...
). This makes the total number 76, i.e. 6×12 + 2×2. Unlike upper houses in most Westminster parliamentary systems, the Australian Senate is vested with significant power, including the capacity to block legislation initiated by the government in the House of Representatives, making it a distinctive hybrid of British Westminster bicameralism and US-style bicameralism. As a result of proportional representation, the chamber features a multitude of parties vying for power. The governing party or coalition, which must maintain the confidence of the lower house, rarely has a majority in the Senate and usually needs to negotiate with other parties and Independents to get legislation passed.


Others

In German, Indian, and Pakistani systems, the upper houses (the Bundesrat, the
Rajya Sabha The Rajya Sabha, constitutionally the Council of States, is the upper house of the bicameral Parliament of India. , it has a maximum membership of 245, of which 233 are elected by the legislatures of the states and union territories using si ...
, and the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
respectively) are even more closely linked with the federal system, being appointed or elected directly by the governments or legislatures of each
German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
or
Indian state India is a federal union comprising 28 states and 8 union territories, with a total of 36 entities. The states and union territories are further subdivided into districts and smaller administrative divisions. History Pre-indepen ...
, or
Pakistani province The administrative units of Pakistan comprise four provinces, one federal territory, and two territorial dispute, disputed territories: the provinces of Punjab, Pakistan, Punjab, Sindh, Khyber Pakhtunkhwa, and Balochistan, Pakistan, Balochi ...
. This was also the case in the United States before the Seventeenth Amendment was adopted. Because of this coupling to the
executive branch The Executive, also referred as the Executive branch or Executive power, is the term commonly used to describe that part of government which enforces the law, and has overall responsibility for the governance of a State (polity), state. In poli ...
, German legal doctrine does not treat the ''Bundesrat'' as the second chamber of a bicameral system formally. Rather, it sees the ''Bundesrat'' and the ''
Bundestag The Bundestag (, "Federal Diet") is the German federal parliament. It is the only federal representative body that is directly elected by the German people. It is comparable to the United States House of Representatives or the House of Commons ...
'' as independent constitutional bodies. Only the directly elected ''Bundestag'' is considered the parliament. In the German ''Bundesrat'', the various ''Länder'' have between three and six votes; thus, while the less populated states have a lower weight, they still have a stronger voting power than would be the case in a system based proportionately on population, as the most populous ''Land'' currently has about 27 times the population of the least populous. The Indian upper house does not have the states represented equally, but on the basis of their population. There is also bicameralism in countries that are not federations, but have upper houses with representation on a territorial basis. For example, in South Africa, the
National Council of Provinces The National Council of Provinces (NCOP) is the upper house of the Parliament of South Africa under the (post-apartheid) constitution which came into full effect in 1997. It replaced the former Senate, but is very similar to that body, and to ma ...
(and before 1997, the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
) has its members chosen by each
province A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...
's legislature. In Spain, the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
functions as a ''de facto'' territorially based upper house, and there has been some pressure from the
Autonomous Communities eu, autonomia erkidegoa ca, comunitat autònoma gl, comunidade autónoma oc, comunautat autonòma an, comunidat autonoma ast, comunidá autónoma , alt_name = , map = , category = Autonomous administra ...
to reform it into a strictly territorial chamber. The
European Union The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been des ...
maintains a somewhat close to bicameral legislative system consisting of the
European Parliament The European Parliament (EP) is one of the 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 adopts ...
, which is elected in elections on the basis of universal suffrage, and the
Council of the European Union The Council of the European Union, often referred to in the treaties and other official documents simply as the Council, and informally known as the Council of Ministers, is the third of the seven Institutions of the European Union (EU) as ...
, which consists of one representative for each government of member countries, who are competent for a relevant field of legislation. Though the European Union has a highly unusual character in terms of legislature, one could say that the closest point of equivalency lies within bicameral legislatures. The European Union is considered neither a country nor a state, but it enjoys the power to address national Governments in many areas.


Aristocratic and post-aristocratic

In a few countries, bicameralism involves the juxtaposition of democratic and aristocratic elements.


House of Lords of the United Kingdom

The best known example is the British
House of Lords The House of Lords, also known as the House of Peers, is the Bicameralism, upper house of the Parliament of the United Kingdom. Membership is by Life peer, appointment, Hereditary peer, heredity or Lords Spiritual, official function. Like the ...
, which includes a number of
hereditary peer The hereditary peers form part of the peerage in the United Kingdom. As of September 2022, there are 807 hereditary peers: 29 dukes (including five royal dukes), 34 marquesses, 190 earls, 111 viscounts, and 443 barons (disregarding subsid ...
s. The House of Lords is a vestige of the aristocratic system that once predominated in British politics, while the other house, the
House of Commons The House of Commons is the name for the elected lower house of the bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of parliament. ...
, is entirely elected. Over the years, some have proposed reforms to the House of Lords, some of which have been at least partly successful. The
House of Lords Act 1999 The House of Lords Act 1999 (c. 34) is an Act of the Parliament of the United Kingdom that reformed the House of Lords, one of the chambers of Parliament. The Act was given Royal Assent on 11 November 1999. For centuries, the House of Lords ...
limited the number of hereditary peers (as opposed to
life peer In the United Kingdom, life peers are appointed members of the peerage whose titles cannot be inherited, in contrast to hereditary peers. In modern times, life peerages, always created at the rank of baron, are created under the Life Peerages ...
s, appointed by the
Monarch A monarch is a head of stateWebster's II New College DictionarMonarch 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 authority ...
on the advice of the
Prime Minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is not ...
) to 92, down from around 700. Of these 92, one is the
Earl Marshal Earl marshal (alternatively marschal or marischal) is a hereditary royal officeholder and chivalric title under the sovereign of the United Kingdom used in England (then, following the Act of Union 1800, in the United Kingdom). He is the eig ...
, a hereditary office always held by the
Duke of Norfolk Duke of Norfolk is a title in the peerage of England. The seat of the Duke of Norfolk is Arundel Castle in Sussex, although the title refers to the county of Norfolk. The current duke is Edward Fitzalan-Howard, 18th Duke of Norfolk. The dukes ...
, one is the
Lord Great Chamberlain The Lord Great Chamberlain of England is the sixth of the Great Officers of State (United Kingdom), Great Officers of State, ranking beneath the Lord Privy Seal, Lord Keeper of the Privy Seal and above the Lord High Constable of England, Lord Hi ...
, a hereditary office held by turns, currently by the
Marquess of Cholmondeley Marquess of Cholmondeley ( ) is a title in the Peerage of the United Kingdom. It was created in 1815 for George Cholmondeley, 4th Earl of Cholmondeley. History The Cholmondeley family descends from William le Belward (or de Belward), the fe ...
, and the other 90 are elected by all sitting peers. Hereditary peers elected by the House to sit as representative peers sit for life; when a representative peer dies, there is a by-election to fill the vacancy. The power of the House of Lords to block legislation is curtailed by the Parliament Acts 1911 and 1949. Peers can introduce bills except Money Bills, and all legislation must be passed by both
Houses of Parliament The Palace of Westminster serves as the meeting place for both the House of Commons and the House of Lords, the two houses of the Parliament of the United Kingdom. Informally known as the Houses of Parliament, the Palace lies on the north bank ...
. If not passed within two sessions, the
House of Commons The House of Commons is the name for the elected lower house of the bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of parliament. ...
can override the Lords' delay by invoking the ''Parliament Act''. Certain legislation, however, must be approved by both Houses without being forced by the Commons under the ''Parliament Act''. These include any bill that would extend the time length of a Parliament, private bills, bills sent to the House of Lords less than one month before the end of a session, and bills that originated in the House of Lords. Life Peers are appointed either by recommendation of the Appointment Commission (the independent body that vets non-partisan peers, typically from academia, business or culture) or by Dissolution Honours, which take place at the end of every Parliamentary term when leaving MPs may be offered a seat to keep their institutional memory. It is traditional to offer a peerage to every outgoing Speaker of the House of Commons. Further reform of the Lords has been proposed; however, no proposed reforms have been able to achieve public consensus or government support. Members of the House of Lords all have an aristocratic title, or are from the
Clergy Clergy are formal leaders within established religions. Their roles and functions vary in different religious traditions, but usually involve presiding over specific rituals and teaching their religion's doctrines and practices. Some of the ter ...
. 26 Archbishops and Bishops of the
Church of England The Church of England (C of E) is the established Christian church in England and the mother church of the international Anglican Communion. It traces its history to the Christian church recorded as existing in the Roman province of Britain ...
sit as
Lords Spiritual The Lords Spiritual are the bishops of the Church of England who serve in the House of Lords of the United Kingdom. 26 out of the 42 diocesan bishops and archbishops of the Church of England serve as Lords Spiritual (not counting retired archbi ...
(the
Archbishop of Canterbury The archbishop of Canterbury is the senior bishop and a principal leader of the Church of England, the ceremonial head of the worldwide Anglican Communion and the diocesan bishop of the Diocese of Canterbury. The current archbishop is Justi ...
,
Archbishop of York The archbishop of York is a senior bishop in the Church of England, second only to the archbishop of Canterbury. The archbishop is the diocesan bishop of the Diocese of York and the metropolitan bishop of the province of York, which covers th ...
, the
Bishop of London A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...
, the
Bishop of Durham The Bishop of Durham is the Anglican bishop responsible for the Diocese of Durham in the Province of York. The diocese is one of the oldest in England and its bishop is a member of the House of Lords. Paul Butler has been the Bishop of Durham ...
, the
Bishop of Winchester The Bishop of Winchester is the diocesan bishop of the Diocese of Winchester in the Church of England. The bishop's seat (''cathedra'') is at Winchester Cathedral in Hampshire. The Bishop of Winchester has always held ''ex officio'' (except dur ...
and the next 21 longest-serving Bishops). It is usual that retiring Archbishops, and certain other Bishops, are appointed to the
Crossbenches A crossbencher is an independent or minor party member of some legislatures, such as the British House of Lords and the Parliament of Australia. They take their name from the crossbenches, between and perpendicular to the government and oppositi ...
and given a life peerage. Until 2009, 12
Lords of Appeal in Ordinary Lords of Appeal in Ordinary, commonly known as Law Lords, were judges appointed under the Appellate Jurisdiction Act 1876 to the British House of Lords, as a committee of the House, effectively to exercise the judicial functions of the House of ...
sat in the House as the highest court in the land; they subsequently became justices of the newly created
Supreme Court of the United Kingdom The Supreme Court of the United Kingdom (initialism: UKSC or the acronym: SCOTUK) is the final court of appeal in the United Kingdom for all civil cases, and for criminal cases originating in England, Wales and Northern Ireland. As the Unite ...
. As of 16 February 2021, 803 people sit in the House of Lords, with 92 Hereditary Peers, 26 Lords Spiritual and 685 Life Peers. Membership is not fixed and decreases only on the death, retirement or resignation of a peer.


Japan's former House of Peers

Another example of aristocratic bicameralism was the Japanese House of Peers, abolished after
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
and replaced with the present
House of Councillors The is the upper house of the National Diet of Japan. The House of Representatives is the lower house. The House of Councillors is the successor to the pre-war House of Peers. If the two houses disagree on matters of the budget, treaties, ...
.


Unitary states

Many
unitary state A unitary state is a sovereign state governed as a single entity in which the central government is the supreme authority. The central government may create (or abolish) administrative divisions (sub-national units). Such units exercise only th ...
s like
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 re ...
,
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 ...
, 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 ...
, the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
, the
Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
, the
Republic of Ireland Ireland ( ga, Éire ), also known as the Republic of Ireland (), is a country in north-western Europe consisting of 26 of the 32 counties of the island of Ireland. The capital and largest city is Dublin, on the eastern side of the island. A ...
and
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
have bicameral systems. In countries such as these, the upper house generally focuses on scrutinizing and possibly vetoing the decisions of the lower house.


Italian Parliament

On the other hand, in
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 re ...
the
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 ...
consists of two chambers that have the same role and power: the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
(Senate of the Republic, commonly considered the ''upper house'') and the
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 Bourbon R ...
(considered the ''lower house''). The main difference among the two chambers is the way the two chambers are composed: the deputies, in fact, are elected on a nationwide basis, whilst the members of the Senate are elected on a regional basis: this may lead to different majorities among the two chambers because, for example, a party may be the first nationally but second or third in some regions. Considering that in the Italian Republic the Government needs to win confidence votes in both the chambers, it may happen that a Government has a strong majority (usually) in the Chamber of Deputies and a weak one (or no majority at all) in the Senate. This has led sometimes to legislative deadlocks, and has caused instability in the Italian Government.


Indirectly elected Upper Houses (France, Ireland, Netherlands)

In some of these countries, the upper house is indirectly elected. Members of France's
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
and Ireland's
Seanad Éireann Seanad Éireann (, ; "Senate of Ireland") is the upper house of the Oireachtas (the Irish legislature), which also comprises the President of Ireland and Dáil Éireann (the lower house). It is commonly called the Seanad or Senate and its memb ...
are chosen by electoral colleges. In Ireland, it consists of members of the lower house, local councillors, the
Taoiseach The Taoiseach is the head of government, or prime minister, of Republic of Ireland, Ireland. The office is appointed by the president of Ireland upon the nomination of Dáil Éireann (the lower house of the Oireachtas, Ireland's national legisl ...
, and graduates of selected universities, while the Netherlands'
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
is chosen by members of provincial assemblies (who, in turn, are directly elected).


Semi-bicameral (Hong Kong, Northern Ireland; earlier in Norway, the Netherlands)

In
Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...
, members of the unicameral Legislative Council returned from the democratically elected geographical constituencies and partially democratic
functional constituencies A functional constituency is an electoral device (a non-geographical constituency) used within the political systems of two Special Administrative Regions of the People's Republic of China: * Functional constituency (Hong Kong) * Functional cons ...
are required to vote separately since 1998 on motions, bills or amendments to government bills not introduced by the government. The passage of these motions, bills or amendments to government motions or bills requires double majority in both groups simultaneously. (Before 2004, when elections to the Legislative Council from the
Election Committee The Election Committee is a Hong Kong electoral college, the function of which is to select the Chief Executive (CE) and, since 2021, to elect 40 of the 90 members of the Legislative Council. Established by Annex I of the Basic Law of Hong ...
was abolished, members returned through the Election Committee vote with members returned from geographical constituencies.) The double majority requirement does not apply to motions, bills and amendments introduced by the
government A government is the system or group of people governing an organized community, generally a state. In the case of its broad associative definition, government normally consists of legislature, executive, and judiciary. Government is a ...
. Another similar situation are
cross-community vote A cross-community vote or cross-community support is a form of voting used in the Northern Ireland Assembly according to the provisions of the 1998 Good Friday Agreement. It requires the support of both main communities in Northern Ireland, in ot ...
s in
Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...
when the ''petition of concern'' procedure is invoked.
Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
had a kind of semi-bicameral legislature with two chambers, or departments, within the same elected body, the
Storting The Storting ( no, Stortinget ) (lit. the Great Thing) is the supreme legislature of Norway, established in 1814 by the Constitution of Norway. It is located in Oslo. The unicameral parliament has 169 members and is elected every four years bas ...
. These were called the Odelsting and were abolished after the general election of 2009. According to Morten Søberg, there was a related system in the 1798 constitution of the
Batavian Republic The Batavian Republic ( nl, Bataafse Republiek; french: République Batave) was the successor state to the Republic of the Seven United Netherlands. It was proclaimed on 19 January 1795 and ended on 5 June 1806, with the accession of Louis Bona ...
.


Examples of bicameralism in subnational entities

In some countries with federal systems, individual states (like those 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 primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
,
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
,
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
and
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
) may also have bicameral legislatures. A few such states as
Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the southwe ...
in the U.S.,
Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...
in Australia,
Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total lan ...
in Germany, and Tucumán and Córdoba in Argentina have later adopted unicameral systems. (
Brazilian states Brazilian commonly refers to: * Something of, from or relating to Brazil * Brazilian Portuguese, the dialect of the Portuguese language used mostly in Brazil * Brazilians, the people (citizens) of Brazil, or of Brazilian descent Brazilian may also ...
and Canadian provinces all abolished upper houses).


Argentina

In the
Argentine Republic Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
, eight
provinces A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions outsi ...
have bicameral legislatures, with a
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
and a
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 Bourbon R ...
:
Buenos Aires Buenos Aires ( or ; ), officially the Autonomous City of Buenos Aires ( es, link=no, Ciudad Autónoma de Buenos Aires), is the capital and primate city of Argentina. The city is located on the western shore of the Río de la Plata, on South ...
, Catamarca,
Corrientes Corrientes (; Guaraní language, Guaraní: Taragüí, literally: "Currents") is the capital city of the Provinces of Argentina, province of Corrientes Province, Corrientes, Argentina, located on the eastern shore of the Paraná River, about from ...
, Entre Ríos, Mendoza,
Salta Salta () is the capital and largest city in the Argentine province of the same name. With a population of 618,375 according to the 2010 census, it is also the 7th most-populous city in Argentina. The city serves as the cultural and economic ce ...
, San Luis (since 1987) and Santa Fe. Tucumán and Córdoba changed to
unicameral Unicameralism (from ''uni''- "one" + Latin ''camera'' "chamber") is a type of legislature, which consists of one house or assembly, that legislates and votes as one. Unicameral legislatures exist when there is no widely perceived need for multic ...
systems in 1990 and 2001 respectively.
Santiago del Estero Santiago del Estero (, Spanish for ''Saint-James-Upon-The-Lagoon'') is the capital of Santiago del Estero Province in northern Argentina. It has a population of 252,192 inhabitants, () making it the twelfth largest city in the country, with a surf ...
changed to a bicameral legislature in 1884, but changed back to a unicameral system in 1903.


Australia

When the Australian states were founded as British colonies in the 19th century, they each had a bicameral Parliament. The lower house was traditionally elected based on the one-vote-one-value principle, with universal male suffrage, later expanded to women, whereas the upper house was either appointed on the advice of the government or elected, with a strong bias towards country voters and landowners. After
Federation A federation (also known as a federal state) is a political entity characterized by a union of partially self-governing provinces, states, or other regions under a central federal government (federalism). In a federation, the self-governin ...
, these became the state Parliaments. In Queensland, the appointed
upper house An upper house is one of two Debate chamber, chambers of a bicameralism, bicameral legislature, the other chamber being the lower house.''Bicameralism'' (1997) by George Tsebelis The house formally designated as the upper house is usually smalle ...
was abolished in 1922, while in
New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...
there were similar attempts at abolition, before the
upper house An upper house is one of two Debate chamber, chambers of a bicameralism, bicameral legislature, the other chamber being the lower house.''Bicameralism'' (1997) by George Tsebelis The house formally designated as the upper house is usually smalle ...
was reformed in the 1970s to provide for direct election. Beginning in the 1970s, Australian states began to reform their upper houses to introduce proportional representation in line with the Federal Senate. The first was the
South Australian Legislative Council The Legislative Council, or upper house, is one of the two chambers of the Parliament of South Australia. Its central purpose is to act as a house of review for legislation passed through the lower house, the House of Assembly. It sits in Parli ...
in 1973, which initially used a
party list An electoral list is a grouping of candidates for election, usually found in proportional or mixed electoral systems, but also in some plurality electoral systems. An electoral list can be registered by a political party (a party list) or can ...
system (replaced with STV in 1982), followed by the Single Transferable Vote being introduced for the
New South Wales Legislative Council The New South Wales Legislative Council, often referred to as the upper house, is one of the two chambers of the parliament of the Australian state of New South Wales. The other is the Legislative Assembly. Both sit at Parliament House in th ...
in 1978, the
Western Australian Legislative Council The Western Australian Legislative Council is the upper house of the Parliament of Western Australia, a state of Australia. It is regarded as a house of review for legislation passed by the Legislative Assembly, the lower house. The two Houses ...
in 1987 and the
Victorian Legislative Council The Victorian Legislative Council (VLC) is the upper house of the bicameral Parliament of Victoria, Australia, the lower house being the Legislative Assembly. Both houses sit at Parliament House in Spring Street, Melbourne. The Legislative Co ...
in 2003. Nowadays, the upper house both federally and in most states is elected using
proportional representation Proportional representation (PR) refers to a type of electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to geographical (e.g. states, regions) and political divis ...
while the lower house uses
Instant-runoff voting Instant-runoff voting (IRV) is a type of ranked preferential voting method. It uses a majority voting rule in single-winner elections where there are more than two candidates. It is commonly referred to as ranked-choice voting (RCV) in the Un ...
in single member electorates. This is reversed in the state of
Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...
, where proportional representation is used for the
lower house A lower house is one of two Debate chamber, chambers of a Bicameralism, bicameral legislature, the other chamber being the upper house. Despite its official position "below" the upper house, in many legislatures worldwide, the lower house has co ...
and single member electorates for the
upper house An upper house is one of two Debate chamber, chambers of a bicameralism, bicameral legislature, the other chamber being the lower house.''Bicameralism'' (1997) by George Tsebelis The house formally designated as the upper house is usually smalle ...
.


Bosnia and Herzegovina

The Legislature of the
Federation of Bosnia and Herzegovina The Federation of Bosnia and Herzegovina is one of the two Political divisions of Bosnia and Herzegovina, entities within the State of Bosnia and Herzegovina, the other being Republika Srpska. The Federation of Bosnia and Herzegovina consists ...
, one of the two entities of
Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...
, is a bicameral legislative body. It consists of two chambers. The House of Representatives has 98 delegates, elected for four-year terms by proportional representation. The House of Peoples has 58 members, 17 delegates from among each of the constituent peoples of the Federation, and 7 delegates from among the other peoples.
Republika Srpska Republika Srpska ( sr-Cyrl, Република Српска, lit=Serb Republic, also known as Republic of Srpska, ) is one of the two Political divisions of Bosnia and Herzegovina, entities of Bosnia and Herzegovina, the other being the Feder ...
, the other entity, has a unicameral parliament, known as the
National Assembly In politics, a national assembly is either a unicameral legislature, the lower house of a bicameral legislature, or both houses of a bicameral legislature together. In the English language it generally means "an assembly composed of the repre ...
, but there is also a Council of Peoples who is ''de facto'' the other legislative house.


Germany

The German federal state of
Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total lan ...
had a bicameral legislature from 1946 to 1999, when the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
was abolished by a referendum amending the state's constitution. The other 15 states have used a unicameral system since their founding.


India

Of the 28 states and 8 Union Territories of India, only 6 states that is
Andhra Pradesh Andhra Pradesh (, abbr. AP) is a state in the south-eastern coastal region of India. It is the seventh-largest state by area covering an area of and tenth-most populous state with 49,386,799 inhabitants. It is bordered by Telangana to the ...
,
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Be ...
,
Karnataka Karnataka (; ISO: , , also known as Karunāḍu) is a state in the southwestern region of India. It was formed on 1 November 1956, with the passage of the States Reorganisation Act. Originally known as Mysore State , it was renamed ''Karnat ...
,
Maharashtra Maharashtra (; , abbr. MH or Maha) is a states and union territories of India, state in the western India, western peninsular region of India occupying a substantial portion of the Deccan Plateau. Maharashtra is the List of states and union te ...
,
Telangana Telangana (; , ) is a States and union territories of India, state in India situated on the south-central stretch of the Indian subcontinent, Indian peninsula on the high Deccan Plateau. It is the List of states and union territories of India b ...
and
Uttar Pradesh Uttar Pradesh (; , 'Northern Province') is a state in northern India. With over 200 million inhabitants, it is the most populated state in India as well as the most populous country subdivision in the world. It was established in 1950 ...
– have bicameral legislatures, while the rest all have unicameral legislatures. The lower houses are called Legislative Assemblies, and their members are elected by universal adult suffrage from single-member constituencies in state elections, which are normally held every five years called Vidhana Sabha. In the six states with bicameral legislatures, the upper house is called the Legislative Council (''Vidhan Parishad'') or Vidhana Parishat, one-third of whose members are elected every two years. Members of Legislative Council are elected in various ways: *One-third are elected by the members of local bodies in the state such as
municipalities A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...
, ''gram panchayats'', block development councils and district councils. *One-third are elected by the members of the state's Legislative Assembly from amongst persons who are not members of the State Legislative Assembly. *One-sixth are nominated by the
governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
of the state from amongst persons having knowledge or practical experience in fields such as
literature Literature is any collection of written work, but it is also used more narrowly for writings specifically considered to be an art form, especially prose fiction, drama, and poetry. In recent centuries, the definition has expanded to include ...
,
science Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for ...
,
arts The arts are a very wide range of human practices of creative expression, storytelling and cultural participation. They encompass multiple diverse and plural modes of thinking, doing and being, in an extremely broad range of media. Both hi ...
, the
co-operative movement The history of the cooperative movement concerns the origins and history of cooperatives across the world. Although cooperative arrangements, such as mutual insurance, and principles of cooperation existed long before, the cooperative movement bega ...
and
social service Social services are a range of public services intended to provide support and assistance towards particular groups, which commonly include the disadvantaged. They may be provided by individuals, private and independent organisations, or administe ...
. *One-twelfth are elected from special constituencies by persons who are
college graduate Bachelor's degree or higher is a commonly used term by the United States Census Bureau and other U.S. government agencies on the federal as well as state and local level. The term describes the portion of the population that has either a bachelor ...
s of three years' standing residing in those constituencies. *One-twelfth are elected by persons engaged for at least three years in teaching in educational institutions within the state not lower than
secondary school A secondary school describes an institution that provides secondary education and also usually includes the building where this takes place. Some secondary schools provide both '' secondary education, lower secondary education'' (ages 11 to 14) ...
s, including
college A college (Latin: ''collegium'') is an educational institution or a constituent part of one. A college may be a degree-awarding tertiary educational institution, a part of a collegiate or federal university, an institution offering ...
s and
universities A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, t ...
. From 1956 to 1958 the Andhra Pradesh Legislature was unicameral. In 1958, when the State Legislative Council was formed, it became bicameral until 1 June 1985 when it was abolished. This continued until March 2007 when the State Legislative Council was reestablished and elections were held for its seats. In
Tamil Nadu Tamil Nadu (; , TN) is a States and union territories of India, state in southern India. It is the List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of India ...
, a resolution was passed on 14 May 1986 and the state's Legislative Council was dissolved on 1 November 1986. Again on 12 April 2010, a resolution was passed to reestablish the council, but was ultimately unsuccessful. Similarly, the states of
Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...
, Jammu and Kashmir,
Madhya Pradesh Madhya Pradesh (, ; meaning 'central province') is a state in central India. Its capital is Bhopal, and the largest city is Indore, with Jabalpur, Ujjain, Gwalior, Sagar, and Rewa being the other major cities. Madhya Pradesh is the seco ...
,
Punjab Punjab (; Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the Indian subcontinent, comprising ...
, and
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fourt ...
have also dissolved the upper houses of their state legislatures.


Russia

In the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...
, regional and local
Soviets Soviet people ( rus, сове́тский наро́д, r=sovyétsky naród), or citizens of the USSR ( rus, гра́ждане СССР, grázhdanye SSSR), was an umbrella demonym for the population of the Soviet Union. Nationality policy in th ...
were unicameral. After the adoption of the 1993 Russian Constitution, bicameralism was introduced in some regions. Bicameral regional legislatures are still technically allowed by federal law but this clause is dormant now. The last region to switch from bicameralism to unicameralism was
Sverdlovsk Oblast Sverdlovsk Oblast ( rus, Свердловская область, Sverdlovskaya oblast) is a federal subject (an oblast) of Russia located in the Ural Federal District. Its administrative center is the city of Yekaterinburg, formerly known as S ...
in 2012.


United States

During the 1930s, the Legislature of the State of Nebraska was reduced from
bicameral Bicameralism is a type of legislature, one divided into two separate assemblies, chambers, or houses, known as a bicameral legislature. Bicameralism is distinguished from unicameralism, in which all members deliberate and vote as a single grou ...
to unicameral with the 43 members that once comprised that state's Senate. One of the arguments used to sell the idea at the time to Nebraska voters was that by adopting a unicameral system, the perceived evils of the "
conference committee A committee or commission is a body of one or more persons subordinate to a deliberative assembly. A committee is not itself considered to be a form of assembly. Usually, the assembly sends matters into a committee as a way to explore them more ...
" process would be eliminated. A conference committee is appointed when the two chambers cannot agree on the same wording of a proposal, and consists of a small number of legislators from each chamber. This tends to place much power in the hands of only a small number of legislators. Whatever legislation, if any, the conference committee finalizes is presented in an unamendable "take-it-or-leave-it" manner by both chambers. During his term as
governor A governor is an administrative leader and head of a polity or political region, ranking under the head of state and in some cases, such as governors-general, as the head of state's official representative. Depending on the type of political ...
of the State of
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...
,
Jesse Ventura Jesse Ventura (born James George Janos; July 15, 1951) is an American politician, actor, and retired professional wrestler. After achieving fame in the World Wrestling Federation (WWF), he served as the 38th governor of Minnesota from 1999 to 2 ...
proposed converting the Minnesotan legislature to a single chamber with
proportional representation Proportional representation (PR) refers to a type of electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to geographical (e.g. states, regions) and political divis ...
, as a reform that he felt would solve many legislative difficulties and impinge upon legislative corruption. In his book on political issues, ''Do I Stand Alone?'', Ventura argued that bicameral legislatures for provincial and local areas were excessive and unnecessary, and discussed unicameralism as a reform that could address many legislative and budgetary problems for states.


Reform


Arab political reform

A 2005 report on democratic reform in the Arab world by the U.S.
Council on Foreign Relations The Council on Foreign Relations (CFR) is an American think tank A think tank, or policy institute, is a research institute that performs research and advocacy concerning topics such as social policy, political strategy, economics, mi ...
co-sponsored by former Secretary of State
Madeleine Albright Madeleine Jana Korbel Albright (born Marie Jana Korbelová; May 15, 1937 – March 23, 2022) was an American diplomat and political scientist who served as the 64th United States secretary of state from 1997 to 2001. A member of the Democratic ...
urged Arab states to adopt bicameralism, with upper chambers appointed on a 'specialized basis'. The Council claimed that this would protect against the '
Tyranny of the majority The tyranny of the majority (or tyranny of the masses) is an inherent weakness to majority rule in which the majority of an electorate pursues exclusively its own objectives at the expense of those of the minority factions. This results in oppres ...
', expressing concerns that without a system of checks and balances extremists would use the single chamber parliaments to restrict the rights of minority groups. In 2002,
Bahrain Bahrain ( ; ; ar, البحرين, al-Bahrayn, locally ), officially the Kingdom of Bahrain, ' is an island country in Western Asia. It is situated on the Persian Gulf, and comprises a small archipelago made up of 50 natural islands and an ...
adopted a bicameral system with an elected lower chamber and an appointed upper house. This led to a boycott of parliamentary elections that year by the
Al Wefaq Al-Wefaq National Islamic Society ( ar, جمعية الوفاق الوطني الإسلامية; ), sometimes shortened to simply Al-Wefaq, was a Shi'a Bahraini political party, that operates clandestinely after being ordered by the highest co ...
party, who said that the government would use the upper house to veto their plans. Many secular critics of bicameralism were won around to its benefits in 2005, after many MPs in the lower house voted for the introduction of so-called morality police.


Romania

A
referendum A referendum (plural: referendums or less commonly referenda) is a direct vote by the electorate on a proposal, law, or political issue. This is in contrast to an issue being voted on by a representative. This may result in the adoption of a ...
on introducing a unicameral Parliament instead of the current bicameral
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 ...
was held in
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
on 22 November 2009. The turnout rate was 50.95%, with 77.78% of "Yes" votes for a unicameral Parliament. This referendum had a consultative role, thus requiring a parliamentary initiative and another referendum to ratify the new proposed changes.


Ivory Coast

A
referendum A referendum (plural: referendums or less commonly referenda) is a direct vote by the electorate on a proposal, law, or political issue. This is in contrast to an issue being voted on by a representative. This may result in the adoption of a ...
on a new
constitution A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organisation or other type of Legal entity, entity and commonly determine how that entity is to be governed. When ...
was held on 30 October 2016. The constitution draft would create a bicameral
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 ...
instead of the current unicameral. The
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
is expected to represent the interests of territorial collectivities and Ivoirians living abroad. Two thirds of the Senate is to be elected at the same time as the general election. The remaining one third is appointed by the president elect.


Examples


Current


Federal


Unitary


Historical


See also

*
List of abolished upper houses This is a list of abolished upper houses of bicameral legislatures and parliaments at national and lower levels of government. The reasons for abolition include removal of unelected houses, under-representation of ethnic/religious minorities, under ...
*
Tricameralism Tricameralism is the practice of having three legislative or parliamentary chambers. It is contrasted with unicameralism and bicameralism, each of which is far more common. Varieties of tricameralism A disputed type of tricameralism is one whe ...


References


Further reading

*


External links


''Noncontemporaneous Lawmaking: Can the 110th Senate Enact a Bill Passed by the 109th House?''
16 Cornell J.L. & Pub. Pol'y 331 (2007).
Against Mix-and-Match Lawmaking
Aaron-Andrew P. Bruhl, ''Against Mix-and-Match Lawmaking]'', 16 Cornell J.L. & Pub. Pol'y 349 (2007).
''Defending the (Not So) Indefensible: A Reply to Professor Aaron-Andrew P. Bruhl''
16 Cornell J.L. & Pub. Pol'y 363 (2007). {{Authority control Bicameral legislatures, *