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| Legislatures by country |
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This is a list of legislatures by country. A "legislature" is the generic name for the national parliaments and congresses that act as a plenary general assemblyofrepresentatives and that have the power to legislate. All entities included in the list of sovereign states are included in this list.
The legislatures are listed with their names in English and the name in the (most-used) native language of the country (or the official name in the second-most used native language in cases where English is the majority "native" language).
| Organisation | Name of house(s) | House level | Term (years) |
Voting system | Seats | Population per seat |
GDP per seat (USD millions) |
|---|---|---|---|---|---|---|---|
 Andean Community
|
Andean Parliament | Unicameral | Direct, indirect (varies by country) proportional | 25 | ~ | ~ | |
 African Union
|
Pan-African Parliament | Unicameral | 5 | Indirect (appointed by 47 of 53 national legislatures) | 265 | 3,974,098 | 14,180 |
 Arab League
|
Arab Parliament | Unicameral | 80 | ~ | ~ | ||
 Benelux
|
Benelux Parliament | Unicameral | Indirect | 49 | ~ | ~ | |
 Central American Integration System
|
Central American Parliament | Unicameral | Varies by country |
Direct, proportional | 126 | 426,274 | 2,651 |
 Community of Latin American and Caribbean States
|
Latin American Parliament | Unicameral | 5 | Direct | 276 | ~ | ~ |
 European Union
|
European Parliament[1] | Lower | 5 | Open and closed list proportional representation Single transferable vote (in the Republic of Ireland and Malta) |
705 | 667,761 | 20,983 |
| Council of the European Union[2][note 1] (informally known as the Council of Ministers) | Upper | N/A | Indirect (members of national governments) | 27 | ~ | ~ | |
 Mercosur
|
Mercosur Parliament | Unicameral | 5 | Direct, indirect (varies by country) proportional | 108 | 1,588,889 | 16,228 |
| UN member or observer state | Overall name of legislature | Name of house(s) | House level | Term (years) | Electoral system | Seats | Population per seat |
|---|---|---|---|---|---|---|---|
 Islamic Emirate of Afghanistan
|
Leadership Council of Afghanistan (رهبری شُورَىٰ, Rahbarī Shūrā)[3] | Unicameral | No fixed term | Appointment by the supreme leader | Aprx. 30[4] | 1,340,608[a] | |
 Albania
|
Parliament of Albania (Kuvendi i Shqipërisë) | Unicameral | 4 | Closed list proportional representation with the D'Hondt method by county with a 3% threshold | 140 | 20,226 | |
 Algeria
|
Parliament of Algeria (البرلمان الجزائري, Barlaman al-Jazā'ir / Agraw Azzayri / Parlement algérien) | People's National Assembly (المجلس الشعبي الوطني, al-Majlis al-Sha'abi al-Watani / Asqamu Aɣerfan Aɣelnaw / Assemblée populaire nationale, APN) | Lower | 5 | Open list proportional representation with the largest remainder method by province | 407 | 80,303 |
| Council of the Nation (مجلس الأمة, Majlis al-Ummah / Conseil de la nation) | Upper | 6 | Elected by popular wilaya assemblies and communal people's assemblies, and appointed by the President | 174 | 257,638 | ||
 Andorra
|
General Council of Andorra (Consell General d'Andorra) | Unicameral | 4 | Parallel voting: Closed list proportional representation with the largest remainder method nationwide and block vote by parish | 28 | 2,789 | |
 Angola
|
National Assembly (Assembleia Nacional) | Unicameral | 4 | Closed list proportional representation with the D'Hondt method nationwide and by province | 220 | 84,081 | |
 Antigua and Barbuda
|
Parliament of Antigua and Barbuda[note 2] | House of Representatives | Lower | 5 | First-past-the-post | 17 | 4,305 |
| Senate | Upper | 5 | Appointed by the governor-general, representing the monarch, on the advice of the prime minister and leader of the Opposition | 17 | 4,811 | ||
 Argentina
|
National Congress of Argentina (Congreso de la Nación Argentina) | Chamber of Deputies of the Nation (Cámara de Diputados de la Nación) | Lower | 4 | Closed list proportional representation with the D'Hondt method by province with a 3% threshold | 257 | 156,097 |
| Honorable Senate of the Nation (Honorable Senado de la Nación Argentina) | Upper | 6 | Partial block voting by province | 72 | 557,181 | ||
 Armenia
|
National Assembly of Armenia (Հայաստանի Հանրապետության Ազգային ժողով, Hayastani Hanrapetyut'yan Azgayin zhoghov / Abbreviated: Ազգային ժողով, ԱԺ, Azgayin Zhoghov, AZh) Informal: Parliament of Armenia (խորհրդարան, Khorhrdaran) |
Unicameral | 5 | Closed-list proportional representation in a nationwide constituency and open-list proportional in district constituencies, with a 5% or top-3 national threshold (or 7% for alliances)[b][5] | 105 | 24,902 | |
 Australia
|
Parliament of Australia[note 2] | House of Representatives | Lower | 3 | Instant-runoff voting | 151 | 162,914 |
| Senate | Upper | 6 | Single transferable vote by state/territory | 76 | 323,684 | ||
 Austria
|
Austrian Parliament (Österreichisches Parlament) | National Council (Nationalrat) | Lower | 5 | Open list proportional representation with the D'Hondt method in constituencies with a 4% threshold | 183 | 43,895 |
| Federal Council (Bundesrat) | Upper | 5 and 6 | Elected by state legislatures | 61 | 129,563 | ||
 Azerbaijan
|
National Assembly (Milli Məclis) | Unicameral | 5 | First-past-the-post | 125 | 73,320 | |
 Bahamas, The
|
Parliament of the Bahamas[note 2] | House of Assembly | Lower | 5 | First-past-the-post | 39 | 9,326 |
| Senate | Upper | 5 | Appointed by the governor-general, representing the monarch, on the advice of the prime minister and leader of the Opposition | 16 | 22,103 | ||
 Bahrain
|
National Assembly (المجلس الوطني البحريني, Al-majlis al-wataniu al-bahrayniu) | Council of Representatives (مجلس النواب, Majlis an-nuwab) | Lower | 4 | Two-round system | 40 | 30,864 |
| Consultative Council (مجلس الشورى, Majlis al-shura) | Upper | 4 | Appointed by the king | 40 | 30,864 | ||
 Bangladesh
|
National Parliament (জাতীয় সংসদ, Jatiya Sangsad) | Unicameral | 5 | First-past-the-post | 350 | 466,909 | |
 Barbados
|
Parliament of Barbados[note 2] | House of Assembly | Lower | 5 | First-past-the-post | 30 | 9,486 |
| Senate | Upper | 5 | Appointed by the President on the advice of the prime minister and leader of the Opposition | 21 | 13,551 | ||
 Belarus
|
National Assembly of the Republic of Belarus (Нацыянальны сход Рэспублікі Беларусь, Nacyjanalny schod Respubliki Bielaruś / Национальное собрание Республики Беларусь, Natsionalnoye sobran'ye Respubliki Belarus) | House of Representatives (Палата прадстаўнікоў, Palata pradstaŭnikoŭ / Палата представителей, Palata predstavitelej) | Lower | 4 | Two-round system | 110 | 85,997 |
| Council of the Republic (Савет Рэспублікі, Saviet Respubliki / Совет Республики) | Upper | 4 | Elected by regional councils, and appointed by the President | 64 | 147,773 | ||
 Belgium
|
Federal Parliament (Federaal Parlement / Parlement fédéral / Föderales Parlament) | Chamber of Representatives (Kamer van Volksvertegenwoordigers / Chambre des Représentants / Abgeordnetenkammer) | Lower | 5 | Open list proportional representation with the D'Hondt method by province with a 5% threshold | 150 | 74,000 |
| Senate (Senaat / Sénat / Senat) | Upper | 5 | Elected by community and regional parliaments | 60 | 185,000 | ||
 Belize
|
National Assembly | House of Representatives | Lower | 5 | First-past-the-post | 31 | 10,748 |
| Senate | Upper | 5 | Appointed by the governor-general representing the monarch, on the advice of the prime minister and leader of the Opposition | 12 | 27,766 | ||
 Benin
|
National Assembly (Assemblée nationale) | Unicameral | 4 | Proportional representation with the largest remainder method in constituencies | 83 | 115,648 | |
 Bhutan
|
Parliament of Bhutan[note 3] (རྒྱལ་ཡོངས་ཚོགས་ཁང་, Gyelyong Tshokhang | National Assembly (རྒྱལ་ཡོངས་ཚོགས་འདུ།, Gyelyong Tshogdu) | Lower | 5 | First-past-the-post | 47 | 15,072 |
| National Council (རྒྱལ་ཡོངས་ཚོགས་སྡེ།, Gyelyong Tshogde) | Upper | 4 | First-past-the-post, and appointed by the king | 25 | 28,337 | ||
 Bolivia
|
Plurinational Legislative Assembly (Asamblea Legislativa Plurinacional) | Chamber of Deputies (Cámara de Diputados) | Lower | 5 | Closed list mixed-member proportional representation: Proportional representation with the D'Hondt method by department and first-past-the-post | 130 | 83,905 |
| Chamber of Senators (Cámara de Senadores) | Upper | 5 | Closed list proportional representation with the D'Hondt method by department | 36 | 302,993 | ||
 Bosnia and Herzegovina
|
Parliamentary Assembly (Parlamentarna skupština / Парламентарна скупштина) | House of Representatives (Predstavnički dom/ Zastupnički dom / Представнички дом) | Lower | 4 | Open list proportional representation with the largest remainder method in constituencies | 42 | 91,422 |
| House of Peoples (Dom naroda / Дом народa) | Upper | 4 | Serbs elected by the National AssemblyofRepublika Srpska, and Bosniaks and Croats elected by the House of Peoples of the Federation of Bosnia and Herzegovina | 15 | 255,982 | ||
 Botswana
|
Parliament of Botswana | National Assembly (Palamente ya Botswana) | Unicameral | 5 | First-past-the-post, and appointed by the President | 65 | 32,211 |
 Brazil
|
National Congress (Congresso Nacional) | Chamber of Deputies (Câmara dos Deputados) | Lower | 4 | Open list proportional representation with the D'Hondt method by state | 513 | 371,798 |
| Federal Senate (Senado Federal) | Upper | 8 | Partial block voting by state | 81 | 2,354,724 | ||
 Brunei
|
Legislative Council (Majlis Mesyuarat Negara) | Unicameral | no timeframe | Appointed by the Sultan | 36 | 11,355 | |
 Bulgaria
|
National Assembly (Народно събрание, Narodno sabranie) | Unicameral | 4 | Closed list proportional representation with the largest remainder method by constituency with a 4% threshold | 240 | 30,685 | |
 Burkina Faso
|
National Assembly (Assemblée nationale) | Unicameral | 5 | Proportional representation with the D'Hondt method nationwide and in constituencies | 127 | 126,281 | |
 Burundi
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | Closed list proportional representation with the D'Hondt method in constituencies with a 2% threshold | 121 | 74,570 |
| Senate (Sénat) | Upper | 5 | Elected by the communal councils | 43 | 179,577 | ||
 Cambodia
|
Parliament
(សភាតំណាងរាស្ត្រ, Sâphéa Tâmnang Réastr) |
National Assembly (រដ្ឋសភា, Rôdthsâphéa) | Lower | 5 | Closed list proportional representation with the D'Hondt method by province | 123 | 108,852 |
| Senate (ព្រឹទ្ធសភា, Prœ̆tthsâphéa) | Upper | 6[6] | Appointed by the monarch, elected by the National Assembly and commune councils | 61 | 219,490 | ||
 Cameroon
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | First-past-the-post and Block vote: If no list obtains an absolute majority, the one with the highest number of votes is allocated half of the seats; the remainder is allocated to the other best-placed lists through proportional representation | 180 | 97,021 |
| Senate (Sénat) | Upper | 5 | Elected by municipal councils, and appointed by the president | 100 | 174,638 | ||
 Canada
|
Parliament (Parlement)[note 2] | House of Commons (Chambre des communes) | Lower | 4 years, unless elections are called earlier | First-past-the-post voting | 338 | 104,571 |
| Senate (Sénat) | Upper | Until age 75, or resignation. | Appointed by the governor general, representing the monarch, on the advice of the prime minister | 105 | 318,825 | ||
 Cape Verde
|
National Assembly (Asembleia Nacional) | Unicameral | 5 | Closed list proportional representation with the D'Hondt method in constituencies | 72 | 4,990 | |
 Central African Republic
|
National Assembly (Assemblée nationale) | Unicameral | 5 | Two-round system | 131 | 38,951 | |
 Chad
|
National Assembly (Assemblée nationale / الجمعية الوطنية, aljameiat alwatania) | Unicameral | 4 | Block voting: If no list obtains an absolute majority, the seats are allocated through proportional representation | 188 | 66,640 | |
 Chile
|
National Congress (Congreso Nacional) | Chamber of Deputies (Cámara de Diputados) | Lower | 4 | Binomial voting system (To become open list proportional representation with the D'Hondt method in constituencies by the next election) | 155 | 145,021 |
| Senate of the Republic (Senado de la República) | Upper | 8 | Binomial voting system | 38 | 457,963 | ||
 China, People's Republic of
|
National People's Congress (全国人民代表大会, Quánguó Rénmín Dàibiǎo Dàhuì)[note 4] | Unicameral | 5 | Elected by municipal, regional and provincial congresses, and People's Liberation Army | 2,980 | 448,518 | |
 Colombia
|
Congress (Congreso) | Chamber of Representatives (Cámara de Representantes) | Lower | 4 | Openorclosed list proportional representation (depending on the political party) with the D'Hondt method by state | 166 | 279,556 |
| Senate (Senado) | Upper | 4 | Openorclosed list proportional representation (depending on the political party) with the D'Hondt method nationwide with a 3% threshold | 102 | 454,964 | ||
 Comoros
|
Assembly of the Union (Assemblée de l'Union) | Unicameral | 5 | Two-round system, and elected by the local assemblies | 33 | 24,181 | |
 Congo, Democratic Republic of the
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | Parallel voting: Open list proportional representation with the largest remainder method in constituencies and first-past-the-post voting | 500 | 143,425 |
| Senate (Sénat) | Upper | 5 | Elected by the provincial assemblies | 108 | 664,008 | ||
 Congo, Republic of the
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | Two-round system | 151 | 28,537 |
| Senate (Sénat) | Upper | 5 | Elected by district, local, and regional councils | 52 | 83,966 | ||
 Costa Rica
|
Legislative Assembly (Asamblea Legislativa) | Unicameral | 4 | Closed list proportional representation with the largest remainder method by province | 57 | 75,468 | |
 Croatia
|
Croatian Assembly[note 3] (Hrvatski sabor) | Unicameral | 4 | Open list proportional representation with the D'Hondt method in constituencies with a 5% threshold | 151 | 28,414 | |
 Cuba
|
National Assembly of People's Power (Asamblea Nacional del Poder Popular) | Unicameral | 5 | Popular vote and approval by special candidacy commissions | 605 | 18,308 | |
 Cyprus
|
House of Representatives (Βουλή των Αντιπροσώπων, Vouli Antiprosópon / Temsilciler Meclisi) | Unicameral | 5 | Open list proportional representation with the largest remainder method by constituency | 56 | 18,632 | |
 Czech Republic
|
Parliament of the Czech Republic (Parlament České republiky) | Chamber of Deputies (Poslanecká sněmovna) | Lower | 4 | Open list proportional representation with the D'Hondt method by region with a 5% threshold | 200 | 52,811 |
| Senate (Senát) | Upper | 6 | Two-round system (staggered elections) | 81 | 130,397 | ||
 Denmark
|
People's Assembly[note 3] (Folketinget) | Unicameral | 4 | Open list proportional representation with the D'Hondt method in constituencies with a 2% threshold including the Faroe Islands and Greenland seats | 179 | 30,969 | |
 Djibouti
|
National Assembly (Assemblée nationale / الجمعية الوطنية, aljameiat alwatania) | Unicameral | 5 | Block vote and closed list proportional representation by constituencies: The list obtaining an absolute or relative majority of votes is allocated 80% of the seats; the remainder is allocated to the other best-placed lists which obtained at least 10% of the valid votes through proportional representation; if no other list obtains 10% of the valid votes, the remaining seats will be allocated to the party which won the majority or relative majority of the valid votes | 65 | 12,587 | |
 Dominica
|
House of Assembly | Unicameral | 5 | First-past-the-post voting, and appointed by the President | 32 | 3,394 | |
 Dominican Republic
|
National Congress (Congreso Nacional) | Chamber of Deputies (Cámara de Diputados) | Lower | 4 | Open list proportional representation with the D'Hondt method by province and nationwide with a 1% threshold for the nationwide seats | 190 | 51,520 |
| Senate (Senado) | Upper | 4 | First-past-the-post voting | 32 | 293,088 | ||
 East Timor
|
National Parliament (Parlamentu Nasionál / Parlamento Nacional) | Unicameral | 5 | Closed list proportional representation with the D'Hondt method nationwide with a 3% threshold | 65 | 16,408 | |
 Ecuador
|
National Assembly (Asamblea Nacional) | Unicameral | 4 | Parallel voting: Closed list proportional representation in a nationwide constituency and first-past-the-post voting | 137 | 116,802 | |
 Egypt
|
Parliament (برلمان, Barlaman) | Senate (مجلس الشيوخ, Majlis Alshuyukh) | Upper | 5 | 300 | 375,722 | |
| House of Representatives (مجلس النواب, Majilis Al-Nuwab) | Lower | 5 | Parallel voting: First-past-the-post voting, block vote, and appointed by the President | 596 | 150,983 | ||
 El Salvador
|
Legislative Assembly (Asamblea Legislativa) | Unicameral | 3 | Open list proportional representation with the largest remainder method by department and nationwide | 84 | 68,382 | |
 Equatorial Guinea
|
Parliament (Parlamento / Parlement / Parlamento) | Chamber of Deputies (Cámara de los Diputados / Chambre des députés / Câmara dos Deputados) | Lower | 5 | Closed list proportional representation in constituencies with a 10% threshold | 100 | 16,220 |
| Senate (Senado / Sénat / Senado) | Upper | Closed list proportional representation with a 10% threshold, and appointed by the President | 70 | 23,171 | |||
 Eritrea
|
National Assembly (ሃገራዊ ባይቶ, Hagerawi Baito) | Unicameral | 5 | Popular vote | 104 | 50,878 | |
 Estonia
|
State Assembly[note 3] (Riigikogu) | Unicameral | 4 | Open list proportional representation with the D'Hondt method in constituencies with a 5% threshold | 101 | 12,814 | |
 Eswatini
|
Parliament (Liblanda) | House of Assembly (Indlu yeMalunga) | Lower | 5 | majority | 55 | 22,181 |
| Senate (Indlu yeTimphunga) | Upper | Appointed by the King | 30 | 40,666 | |||
 Ethiopia
|
Parliament (የፌዴራል ፓርላማ ምክር ቤት, Ye-Fēdēralawī Parilama Mikir Bēt) | House of Peoples' Representatives (የሕዝብ ተወካዮች ምክር ቤት, Ye-Hizib Tewekayochi Mikir Bē) | Lower | 5 | First-past-the-post voting | 547 | 135,134 |
| House of Federation (የፌዴሬሽን ምክር ቤት, Ye-Fēdērēshin Mikir Bēt) | Upper | 5 | Elected by State Councils | 112 | 659,986 | ||
 Federated States of Micronesia
|
Congress | Unicameral | 4 | First-past-the-post voting | 14 | 7,642 | |
 Fiji
|
Parliament | Unicameral | 4 | Open list proportional representation with the D'Hondt method nationwide with a 5% threshold | 50 | 16,745 | |
 Finland
|
Parliament (Eduskunta / Riksdagen) | Unicameral | 4 | Open list proportional representation with the D'Hondt method in constituencies, and first-past-the-post for Åland's lone seat | 200 | 25,900 | |
 France
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | Two-round system | 577 | 113,258 |
| Senate (Sénat) | Upper | 6 | Elected indirectly by officials including regional councilors, department councilors, mayors, city councilors, and members of the National Assembly; two-round or proportional by department depending on the number of seats. | 348 | 187,787 | ||
 Gabon
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | First-past-the-post voting, and appointed by the President | 121 | 12,190 |
| Senate (Sénat) | Upper | 6 | Indirectly elected by local and départemental councillors | 102 | 14,460 | ||
 Gambia
|
National Assembly | Unicameral | 5 | First-past-the-post voting, and appointed by the President | 58 | 25,673 | |
 Georgia
|
Parliament of Georgia (საქართველოს პარლამენტი, Sak'art'velos Parlamenti) | Unicameral | 4 | Parallel voting: Closed list proportional representation in a nationwide constituency with a 5% threshold, and first-past-the-post | 150 | 29,794 | |
 Germany
|
Federal Diet[note 3] (Bundestag) | Lower | 4 | Closed list mixed-member proportional representation with the Sainte-Laguë method by state with a 5% threshold, and first-past-the-post | 736 | 113,031 | |
| Federal Council[note 3] (Bundesrat) | Upper | Dependent on individual state elections | Delegated from state governments | 69 | 1,185,501 | ||
 Ghana
|
Parliament | Unicameral | 4 | First-past-the-post voting | 275 | 106,286 | |
 Greece
|
Hellenic Parliament[note 3] (Βουλή των Ελλήνων, Vouli ton Ellinon) | Unicameral | 4 | Open list reinforced proportional representation with the D'Hondt method in constituencies with a 3% threshold | 300 | 35,958 | |
 Grenada
|
Parliament | House of Representatives | Lower | 5 | First-past-the-post voting | 15 | 7,333 |
| Senate | Upper | 5 | Appointed by the government and by the leader of opposition | 13 | 8,461 | ||
 Guatemala
|
Congress of the Republic (Congreso de la República) | Unicameral | 4 | proportional closed list | 160 | 80,557 | |
 Guinea
|
National Assembly (Assemblée nationale) | Unicameral | 5 | proportional closed list | 114 | 88,227 | |
 Guinea-Bissau
|
National People's Assembly (Assembleia Nacional Popular) | Unicameral | 4 | proportional closed list | 100 | 13,454 | |
 Guyana
|
National Assembly | Unicameral | 5 | popular vote and appointed by the President | 65 | 11,583 | |
 Haiti
|
National Assembly (Assemblée nationale / Asanble Nasyonal) | Chamber of Deputies (Chambre des députés / Chanm Depite) | Lower | 4 | proportional | 119 | 98,181 |
| Senate (Sénat / Sena) | Upper | 6 | 30 | 323,997 | |||
 Honduras
|
National Congress (Congreso Nacional) | Unicameral | 4 | proportional open list | 128 | 58,823 | |
 Hungary
|
National Assembly (Országgyűlés) | Unicameral | 4 | proportional open list and Scorporo |
199 | 25,860 | |
 Iceland
|
Assembly of All[note 3] (Alþingi) | Unicameral | 4 | proportional | 63 | 5,080 | |
 India
|
Parliament (संसद, Sansad) | House of the People[note 3] (लोक सभा, Lok Sabha) | Lower | 5 | First-past-the-post | 543 | 2,192,379 |
| Council of States[note 3] (राज्य सभा, Rajya Sabha) | Upper | 6 | Single transferable vote (233 members are elected by the legislative assemblies of the States/Union territories, 12 members are nominated by the President) | 245 | 4,847,900 | ||
 Indonesia
|
People's Consultative Assembly (Majelis Permusyawaratan Rakyat) | People's Representative Council (Dewan Perwakilan Rakyat) | Lower | 5 | proportional open list | 575 | 467,101 |
| Regional Representative Council (Dewan Perwakilan Daerah) | Upper | 5 | Single non-transferable vote | 136 | 1,974,875 | ||
 Iran
|
Islamic Consultative Assembly[note 3] (مجلس شورای اسلامی, Majles-e Showrā-ye Eslāmī) | Unicameral | 4 | popular vote | 290 | 259,136 | |
 Iraq
|
Council of Representatives of Iraq[note 3] (مجلس النواب العراقي, Majlis Al-Niwab Al-Iraqi / ئهنجومهنی نوێنهران, Enjumen-e Nûnerên) | Unicameral | 4 | proportional open list | 329 | 95,782 | |
 Ireland
|
Parliament[note 3] (Oireachtas) | President of Ireland (Uachtarán) | President-in-Parliament | 7 | Instant-runoff voting | N/A | N/A |
| House of Representatives of Ireland (Dáil Éireann)[note 3] | Lower | 5 | Proportional Representation Single Transferable Vote | 160 | 27,640 | ||
| Senate of Ireland[note 3] (Seanad Éireann) | Upper | 5 | Appointed by the prime minister, elected by local and national elected representatives, and elected by graduates of universities | 60 | 76,470 | ||
 Israel
|
Assembly[note 3] (כנסת, Knesset) | Unicameral | 4 | proportional closed list | 120 | 61,768 | |
 Italy
|
Parliament (Parlamento) | Chamber of Deputies (Camera dei Deputati) | Lower | 5 | parallel voting (245 seats by proportional representation, 147 seats by first past the post and 8 abroad by proportional representation) | 400 | 152,738 |
| Senate of the Republic (Senato della Repubblica) | Upper | 5 | parallel voting (122 seats by proportional representation, 74 seats by first past the post and 4 abroad by proportional representation), 5 members appointed by the President and former Presidents by right | 200 | 296,580 | ||
 Ivory Coast
|
Parliament (Parlement) | National Assembly (Assemblée nationale) | Lower | 5 | majority | 255 | 294,529 |
| Senate (Sénat) | Upper | 5 | Elected by district and provincial councils, and appointed by the President | 120 | 197,837 | ||
 Jamaica
|
Parliament[note 2] | House of Representatives | Lower | 5 | First-past-the-post voting | 63 | 45,860 |
| Senate | Upper | 5 | Appointed by the governor-general | 21 | 137,580 | ||
 Japan
|
Diet (国会, Kokkai) | House of Representatives (衆議院, shūgiin) | Lower | 4 | proportional and First-past-the-post voting | 465 | 270,817 |
| House of Councillors (参議院, Sangiin) | Upper | 6 | proportional and Single non-transferable vote | 245 | 514,000 | ||
 Jordan
|
Parliament (مجلس الأمة, Majlis al-Umma) | House of Representatives (مجلس النواب, Majlis al-Nuwaab) | Lower | 4 | Single non-transferable vote | 130 | 46,760 |
| Senate (مجلس الأعيان, Majlis al-Aayan) | Upper | 6 | Appointed by the monarch | 75 | 93,520 | ||
 Kazakhstan
|
Parliament (Парламенті, Parlamenti) | Assembly[note 3] (Мәжіліс, Mäjilis) | Lower | 5 | 107 | 207,854 | |
| Senate (Сенаты, Senaty) | Upper | 6 | Appointed by the President and elected by local assemblies | 49 | 340,527 | ||
 Kenya
|
Parliament (Bunge) | National Assembly (Bunge la Taifa) | Lower | 5 | parallel | 349 | 126,182 |
| Senate (Seneti) | Upper | 5 | Popular vote and appointed by the President | 67 | 657,278 | ||
 Kiribati
|
House of Assembly (Maneaba ni Maungatabu) | Unicameral | 4 | popular vote and appointed by Rabi Council of Leaders | 46 | 2,239 | |
 Korea, North
|
Supreme People's Assembly (최고인민회의 / 最高人民會議, Ch'oe-go In-min Hoe-ŭi) | Unicameral | 5 | popular vote | 687 | 36,390 | |
 Korea, South
|
National Assembly (국회 / 國會, Gukhoe) | Unicameral | 4 | majority and proportional | 300 | 166,691 | |
 Kuwait
|
National Assembly (مجلس الأمة, Majlis al-Umma) | Unicameral | 4 | popular vote and appointed by the emir | 50 | 71,328 | |
 Kyrgyzstan
|
Supreme Council (Жогорку Кеңеш, Joğorku Keñeş) | Unicameral | 5 | popular vote | 90 | 44,690 | |
 Laos
|
National Assembly (ສະພາແຫ່ງຊາດ, Sapha Heng Xat) | Unicameral | 5 | one-party state closed list | 115 | 48,148 | |
 Latvia
|
Parliament[note 3] (Saeima) | Unicameral | 4 | proportional closed list | 100 | 20,703 | |
 Lebanon
|
Parliament (مجلس النواب, Majlis an-Nuwwab / Chambre des Députés) Also: National Assembly (Assemblée nationale) |
Unicameral | 4 | proportional/party list | 128 | 33,000 | |
 Lesotho
|
Parliament (Palamente ea Lesotho) | National Assembly (Lekhotleng la Sechaba) | Lower | 5 | popular vote and proportional | 120 | 16,927 |
| Senate (Ntlong ea Mahosana) | Upper | 5 | appointed by principal chiefs and by the ruling party | 33 | 61,556 | ||
 Liberia
|
Legislature | House of Representatives | Lower | 6 | majority | 73 | 47,624 |
| Senate | Upper | 9 | majority | 30 | 115,896 | ||
 Libya
|
House of Representatives (مجلس النواب, Majlis an-Nuwwab) | Unicameral | Parallel voting: First-past-the-post, single non-transferable vote, and proportional representation | 200 | 28,353 | ||
 Liechtenstein
|
Diet[note 3] (Landtag) | Unicameral | 4 | proportional closed list | 25 | 1,451 | |
 Lithuania
|
Parliament[note 3] (Seimas) | Unicameral | 4 | proportional | 141 | 21,658 | |
 Luxembourg
|
Chamber of Deputies (D'Chamber / Chambre des députés / Abgeordnetenkammer) | Unicameral | 5 | Open list proportional representation, allocated by the D'Hondt methodinfour constituencies | 60 | 11,013 | |
 Madagascar
|
Parliament (Palemanta / Parlement) | National Assembly (Antenimieram-Pirenena / Assemblée nationale) | Lower | 5 | 160 | 137,078 | |
| Senate (Antenimierandoholona / Sénat) | Upper | 5 | 33 | 664,430 | |||
 Malawi
|
National Assembly | Unicameral | 5 | First-past-the-post voting | 193 | 76,809 | |
 Malaysia
|
Parliament (Parlimen) | House of Representatives[note 5] (Dewan Rakyat) | Lower | 5 | First-past-the-post voting | 222 | 127,631 |
| Senate[note 6] (Dewan Negara) | Upper | 3 | 26 appointed by the State Legislative Assemblies, 2 for each state and 44 appointed by the Yang di-Pertuan Agong, of which 4 are for the Federal Territories. | 70 | 404,773 | ||
 Maldives
|
People's Assembly[note 3] (ރައްޔިތުންގެ މަޖިލިސް, Rayyithunge Majilis) | Unicameral | 5 | First-past-the-post voting | 85 | 4,266 | |
 Mali
|
National Assembly (Assemblée nationale) | Unicameral | 4 | 147 elected in single or multi-member constituencies, using a runoff system. 13 elected by overseas Malians. | 160 | 90,732 | |
 Malta
|
Parliament (Il-Parlament) | President of Malta | President-in-Parliament | 5 | Appointed by the House of Representatives | N/A | N/A |
| House of Representatives (Kamra tad-Deputati) | Unicameral | 5 | Single transferable vote | 69 | 5,950 | ||
 Marshall Islands
|
Legislature (Nitijeļā) | Unicameral | 4 | Single and multi-member constituencies | 33 | 2,060 | |
 Mauritania
|
Parliament (البرلمان, al-Barlamān / Parlement) | National Assembly (الجمعية الوطنية, al-Jamʻīyah al-Waṭanīyah / 𞤀𞤧𞤢𞥄𞤥𞤦𞤫𞤤𞤫 𞤲𞤺𞤫𞤲𞤲𞤣𞤭, Asaambele ngenndi / Assemblée nationale) | Unicameral | 5 | Parallel voting: 50% seats elected via closed list proportional representation with the largest remainder method across three national lists and some urban districts, 50% elected via a general ticket with a two-round systembyelectoral district | 176 | N/A |
 Mauritius
|
National Assembly (Assemblée nationale) | Unicameral | 5 | 65 | 17,614 | ||
 Mexico
|
Congress of the Union (Congreso de la Unión) | Chamber of Deputies (Cámara de Diputados) | Lower | 3 | Parallel voting: Largest remainder method (Hare quota) (200 seats) / FPTP (300 seats) | 500 | 227,821 |
| Chamber of Senators (Cámara de Senadores) | Upper | 6 | Parallel voting: Largest remainder method (Hare quota) | 128 | 889,926 | ||
 Moldova
|
Parliament (Parlamentul) | Unicameral | 4 | 101 | 33,498 | ||
 Monaco
|
National Council (Conseil National) | Unicameral | 5 | Panachage under party-list proportional representation (16), party-list proportional representation (8) | 24 | 1,473 | |
 Mongolia
|
State Great Assembly[note 7] (Улсын Их Хурал, Ulsyn Ikh Khural) | Unicameral | 4 | Plurality-at-large voting | 76 | 36,245 | |
 Montenegro
|
Assembly (Skupština, Скупштина) | Unicameral | 4 | Closed list proportional representation using the D'Hondt method in a single nationwide constituency with a 3% electoral threshold with lower thresholds for minority groups under certain circumstances | 81 | 7,719 | |
 Morocco
|
Parliament (البرلمان المغربي, Barlaman almaghrib / ⴰⴱⵕⵍⴰⵎⴰⵏ ⴰⵎⵖⵔⵉⴱⵉ / Parlement) | House of Representatives (مجلس النواب, Majlis al-Nuwab / ⴰⴳⵔⴰⵡ ⵉⵎⴰⵔⴰⵢⴻⵏ, Asqqim n Imura / Chambre des représentants) | Lower | 5 | Mixed member majoritarian: Single non-transferable vote for 305 seats, 60 seats reserved for women and 30 seats reserved for young people under 40 by proportional representation | 395 | 100,444 |
| House of Councillors (مجلس المستشارين, Majlis al-Mustasharin / ⴰⵙⵇⵇⵉⵎ ⵏ ⵉⵏⵙⴼⴰⵡⵏ, Asqqim n Insfawn / Chambre des conseillers) | Upper | 6 | Indirect election: 72 members are elected at the Kingdom's regional level, 20 in each region by a single electoral college made up of all those in the relevant region that have been elected to specific professional associations, 8 in each region by an electoral college made up of those elected from the most representative employers' professional organizations, 20 by a nationwide electoral college made up of employees | 270 | 120,905 | ||
 Mozambique
|
Assembly of the Republic (Assembleia da República) | Unicameral | 5 | proportional party list | 250 | 85,588 | |
 Myanmar (Burma)
|
Assembly of the Union (ပြည်ထောင်စုလွှတ်တော်, Pyidaungsu Hluttaw) | House of Representatives (ပြည်သူ့လွှတ်တော်, Pyithu Hluttaw) | Lower | 5 | popular vote and appointed by the military | 440 | 137,000 |
| House of Nationalities (အမျိုးသားလွှတ်တော်, Amyotha Hluttaw) | Upper | 5 | popular vote and appointed by the military | 224 | 269,107 | ||
 Namibia
|
Parliament | National Assembly | Lower | 5 | Closed list proportional representation and appointments by the President | 104 | 26,923 |
| National Council | Upper | 6 | Indirect election by Regional Councils | 26 | 80,769 | ||
 Nauru
|
Parliament (Naoero parliament) | Unicameral | 3 | Dowdall system | 19 | 521 | |
 Nepal
|
Federal Parliament (संघीय संसद, Sanghiya Sansad) | House of Representatives (प्रतिनिधि सभा, Pratinidi Sabha) | Lower | 5 | Mixed member majoritarian (165 members elected through First-past-the-post voting and 110 elected through proportional representation voting method) | 275 | 105,392 |
| National Assembly (राष्ट्रिय सभा, Rastriya Sabha) | Upper | 6 | Indirect single transferable vote and 3 members appointed by the President | 59 | 491,233 | ||
 Netherlands
|
States General (Staten-Generaal) | House of Representatives (Tweede Kamer, lit. 'Second Chamber') | Lower | 4 | Party-list proportional representation | 150 | 111,533 |
| Senate (Eerste Kamer, lit. 'First Chamber') | Upper | 4 | Indirect party-list proportional (by members of the states-provincial and the Caribbean Electoral colleges for the Senate) | 75 | 223,066 | ||
 New Zealand
|
Parliament (Pāremata)[note 2] | House of Representatives (Whare o ngā Māngai) | Unicameral | 3 | Closed list mixed-member proportional representation with a 5% threshold | 120 | 33,566 |
 Nicaragua
|
National Assembly (Asamblea Nacional) | Unicameral | 5 | 90 | 64,034 | ||
 Niger
|
National Assembly (Assemblée nationale) | Unicameral | 5 | 171 | 139,210 | ||
 Nigeria
|
National Assembly | House of Representatives | Lower | 4 | 360 | 388,898 | |
| Senate | Upper | 4 | 109 | 1,284,436 | |||
 North Macedonia
|
Assembly (Собрание, Sobranie) | Unicameral | 4 | 120 | 16,736 | ||
 Norway
|
Great Assembly[note 3] (Stortinget) | Unicameral | 4 | proportional mixed | 169 | 29,785 | |
 Oman
|
Council of Oman (مجلس عُـمان, Majlis euman) | Consultative Assembly (مجلس الشورى, Majlis al-Shura) | Lower | 4 | 84 | 33,017 | |
| Council of State (مجلس الدولة, Majlis al-Dawla)[7] | Upper | 4 | 85 | 32,628 | |||
 Pakistan
|
Parliament of Pakistan (پارلیمنٹ, Pārlīmānorمجلسِ شوریٰ, Majlis-e-Shūrā, lit. 'Consultative Assembly') | National Assembly (ایوان زیریں, Aiwān-e-Zairīñ, lit. 'Lower house') | Lower | 5 | 342 | 537,023 | |
| Senate (ایوانِ بالا, Aiwān-e-Bālā, lit. 'Upper house') | Upper | 6 | 104 | 1,735,000 | |||
 Palau
|
National Congress (Olbiil era Kelulau) | House of Delegates[note 8] | Lower | 4 | majority | 16 | 1,309 |
| Senate[note 8] | Upper | 4 | majority | 13 | 2,328 | ||
 State of Palestine
|
Legislative Council (المجلس التشريعي, Al-Majlis al-Tashrī'iyy) | Unicameral | 132 | 32,277 | |||
 Panama
|
National Assembly (Asamblea Nacional) | Unicameral | 5 | 71 | 47,969 | ||
 Papua New Guinea
|
National Parliament[note 2] | Unicameral | 5 | 109 | 56,766 | ||
 Paraguay
|
Congress (Congreso) | Chamber of Deputies (Cámara de Diputados) | Lower | 5 | 80 | 80,681 | |
| Chamber of Senators (Cámara de Senadores) | Upper | 5 | 45 | 143,434 | |||
 Peru
|
Congress of the Republic (Congreso de la República / Rimana Wasin) | Unicameral | 5 | 130 | 217,082 | ||
 Philippines
|
Congress (Kongreso) | House of Representatives (Kapulungan ng mga KinatawanorMababang Kapulungan, lit. 'Lower house' / Cámara de Representantes) | Lower | 3 | Parallel voting: Largest remainder method via closed lists with a three-seat cap (20% of seats), and first-past-the-post voting (80% of seats) | 304 | 341,364 |
| Senate (SenadoorMataas na Kapulungan, lit. 'Upper house') | Upper | 6 | bloc voting. Voter is allocated 12 votes. 1/2 of the seats are contested every 3 years with the 12 elected senators having the largest portion of the National Popular Vote | 24 | 4,323,958 | ||
 Poland
|
Parliament of Poland (Parlament) National Assembly (Zgromadzenie Narodowe[note 9]) |
Sejm[note 3] (Sejm) | Lower | 4 | proportional open list | 460 | 83,697 |
| Senate (Senat) | Upper | 4 | majority | 100 | 385,010 | ||
 Portugal
|
Assembly of the Republic (Assembleia da República) | Unicameral | 4 | proportional party list | 230 | 45,920 | |
 Qatar
|
Consultative Assembly[note 10] (مجلس الشورى, Majlis ash-Shura) | Unicameral | 35 | 52,958 | |||
 Romania
|
Parliament (Parlamentul) | Chamber of Deputies (Camera Deputaților) | Lower | 4 | 329 | 58,416 | |
| Senate (Senat) | Upper | 4 | 137 | 139,005 | |||
 Russia
|
Federal Assembly (Федеральное Собрание, Federalnoye Sobraniye) | State Duma[note 3] (Государственная Дума, Gosudarstvennaya Duma) | Lower | 5 | parallel (First-past-the-post voting for 225 members and proportional party list for 225 members) | 450 | 318,000 |
| Federation Council (Совет Федерации, Sovet Federatsii) | Upper | dependent on individual elections in the federal subjects (4 or 5) | senators are delegated from the executive and legislative bodies of the federal subjects | 170 | 862,048 | ||
 Rwanda
|
Parliament (Inteko Ishinga Amategeko / Parlement) | Chamber of Deputies (Umutwe w'Abadepite / Chambre des députés) | Lower | 5 | 80 | 146,121 | |
| Senate (Umutwe wa Sena / Sénat) | Upper | 8 | 26 | 449,603 | |||
 Saint Kitts and Nevis
|
National Assembly | Unicameral | 5 | 15 | 3,686 | ||
 Saint Lucia
|
Parliament | House of Assembly | Lower | 5 | 17 | 10,221 | |
| Senate | Upper | 11 | 15,796 | ||||
 Saint Vincent and the Grenadines
|
House of Assembly | Unicameral | 5 | 21 | 5,714 | ||
 Samoa
|
Parliament (Palemene)[note 2] | Legislative Assembly[note 3] (Fono Aoao Faitulafono) | Unicameral | 5 | 51 | 3,916 | |
 San Marino
|
Grand and General Council (Consiglio Grande e Generale) | Unicameral | 5 | 60 | 536 | ||
 São Tomé and Príncipe
|
National Assembly (Assembleia Nacional) | Unicameral | 4 | 55 | 3,330 | ||
 Saudi Arabia
|
Consultative Assembly (مجلس الشورى, Majlis Ash-Shura)[note 11] | non-parliamentary | 4 | Appointed by the King | 150 | 220,000 | |
 Senegal
|
National Assembly (Assemblée nationale) | Unicameral | 5 | 150 | 85,701 | ||
 Serbia
|
National Assembly (Народна скупштина / Narodna skupština) | Unicameral | 4 | 250 | 28,482 | ||
 Seychelles
|
National Assembly (Assemblée nationale / Lasanble Nasyonal) | Unicameral | 5 | 31 | 2,709 | ||
 Sierra Leone
|
Parliament | Unicameral | 5 | 146 | 40,136 | ||
 Singapore
|
Parliament (Parlimen / 国家议会, Guójiā yìhuì / நாடாளுமன்றம், Nāṭāḷumaṉṟam) | Unicameral | 5 | First-past-the-post voting (MP) (in single member constituencies), Party block voting (in group representation constituencies), and appointed by the President (NMP) | 103 | 52,360 | |
 Slovakia
|
National Council (Národná rada) | Unicameral | 4 | 150 | 35,980 | ||
 Slovenia
|
Parliament (Državni zbor Republike Slovenije) | National Assembly (Državni zbor) | Lower | 4 | Open list proportional representation with a 4% election threshold | 90 | 22,779 |
| National Council (Državni svet)[8] | Upper | 5 | First-past-the-post indirect elections held within 'functional' interest organisations and 'local' interest communities by electoral bodies (electors). | 40 | 51,254 | ||
 Solomon Islands
|
National Parliament | Unicameral | 4 | 50 | 10,460 | ||
 Somalia
|
Federal Parliament (Baarlamaanka Federaalka / لبرلمان الاتحادي, albarlaman alaitihadi) | House of the People[note 8] | Lower | 4 | Appointed by president | 275 | 36,675 |
| Senate (Aqalka Sare) | Upper | 4 | majority | 54 | 180,100 | ||
 South Africa
|
Parliament | National Assembly | Lower | 5 | 400 | 126,466 | |
| National Council of Provinces | Upper | 90 | 562,075 | ||||
 South Sudan
|
National Legislature | National Legislature Assembly | Lower | 170 | 48,591 | ||
| Council of States | Upper | Appointed by President | 50 | 165,210 | |||
 Spain
|
General Courts[note 3] (Cortes Generales) | Congress of Deputies (Congreso de los Diputados) | Lower | 4, unless elections are called earlier. | proportional closed list | 350 | 131,894 |
| Senate (Senado) | Upper | 4, unless elections are called earlier. | 208 are appointed through general election and 57 when regional legislatures are renewed, which not always happens at the same date | 265 | 173,545 | ||
 Sri Lanka
|
Parliament (පාර්ලිමේන්තුව, Parlimenthuwa / பாராளுமன்றம், Nāṭāḷumaṉṟam) | Unicameral | 5 | 225 | 90,122 | ||
 Sudan
|
National Legislature (المجلس التشريعي, Al-Maǧlis al-Ttašriyʿiy) | National Assembly (المجلس الوطني, Al-Maǧlis al-Waṭaniy | Lower | 6 | 426 | 68,653 | |
| Council of States (المجلس الولايات, Al-Maǧlis al-Wilāyāt) | Upper | 6 | 50 | 617,880 | |||
 Suriname
|
National Assembly (Nationale Assemblée) | Unicameral | 5 | 51 | 10,470 | ||
 Sweden
|
Parliament (Riksdagen) | Unicameral | 4 | Open list[9] proportional representation through the Sainte-Laguë method with a 4% election threshold[10] in constituencies based upon the Counties of Sweden | 349 | 27,286 | |
 Syria
|
People's Assembly (مجلس الشعب, Majlis al-Sha'ab) | Unicameral | 4 | 250 | 86,964 | ||
 Switzerland
|
Federal Assembly (Bundesversammlung / Assemblée fédérale / Assemblea federale / Assamblea federala) | National Council (Nationalrat / Conseil national / Consiglio nazionale / Cussegl naziunal) | Lower | 4 | Open-list proportional with panachage and apparentment by canton.[11] | 200 | 40,000 |
| Council of States (Ständerat / Conseil des États / Consiglio degli Stati / Cussegl dals chantuns) | Upper | 4 | Each canton has one or two seats, two-roundorproportional representation depending on the canton. | 46 | 173,913 | ||
 Tajikistan
|
Supreme Assembly (Маҷлиси Олии, Majlisi Oli) | Assembly of Representatives (Маҷлиси намояндагон, Majlisi namoyandagon) | Lower | 5 | 63 | 123,809 | |
| National Assembly (Маҷлиси миллии, Majlisi Millii) | Upper | 5 | 33 | 236,363 | |||
 Tanzania
|
National Assembly (Bunge) | Unicameral | 5 | 384 | 120,974 | ||
 Thailand
|
National Assembly (รัฐสภา, Ratthasapha) | House of Representatives (สภาผู้แทนราษฎร, Sapha Phuthaen Ratsadon) | Lower | 4 | mixed-member proportional representation, 350 are first-past-the-post and 150 is party-list | 500 | 140,997 |
| Senate (วุฒิสภา, Wutthisapha) | Upper | 5 | elected by coup d'état government | 250 | - | ||
 Togo
|
National Assembly (Assemblée nationale) | Unicameral | 5 | 91 | 76,434 | ||
 Tonga
|
Legislative Assembly (Fale Alea) | Unicameral | 4, Unless elections are called early | Single non-transferable vote | 25 | 3,962 | |
 Trinidad and Tobago
|
Parliament[note 2] | House of Representatives | Lower | 5 | 41 | 32,139 | |
| Senate | Upper | 31 | 42,506 | ||||
 Tunisia
|
Assembly of the Representatives of the People (مجلس نواب الشعب, Majless Noweb al Shaab / Assemblée des représentants du peuple, ARP) | Unicameral | 5 | 217 | 49,188 | ||
 Turkey
|
Grand National Assembly (Türkiye Büyük Millet Meclisi) | Unicameral | 5 | Closed list proportional representation D'Hondt method with a 7% electoral threshold for political parties or political alliances |
600 | 135,862 | |
 Turkmenistan
|
Assembly (Mejlis) | Unicameral | 5 | majority voting in single member constituencies. | 125 | 41,360 | |
 Tuvalu
|
Parliament (Palamene) | Unicameral | 4 | 15 | 666 | ||
 Uganda
|
Parliament (Bunge) | Unicameral | 5 | 529 | 87,839 | ||
 Ukraine
|
Supreme Council (Верховна Рада, Verkhovna Rada) | Unicameral | 5 | 450 | 101,248 | ||
 United Arab Emirates
|
Federal National Assembly (المجلس الوطني الإتحادي, Majlis Watani Ittihad) | Unicameral | 4 | 40 | 206,601 | ||
 United Kingdom
|
Parliament[note 2] | House of Commons | Lower | 5, unless elections are called earlier. | First-past-the-post voting in single member constituencies. | 650 | 95,787 |
| House of Lords | Upper | Life (life and hereditary peers)
Until end of religious term[note 12](bishops) |
Life peers appointed by the Sovereign on advice of prime minister.[note 13] 92 are elected by and from hereditary peers using preferential voting. 26 Lords Spiritual are bishops of the Church of England, chosen by the Church mainly based on seniority (except that female bishops are appointed regardless of seniority). | 790[note 14] | 86,700 | ||
 United States
|
Congress | House of Representatives | Lower | 2 | Depends on the state, mainly First-past-the-post voting, in single-member constituencies. | 435 | 722,636 |
| Senate | Upper | 6 | Depends on the state, mainly First-past-the-post voting. One-third of the Senate goes up for election every two years. Each state has two senators. | 100 | N/A | ||
 Uruguay
|
General Assembly (Asamblea General) | Chamber of Representatives (Cámara de Representantes) | Lower | 5 | 99 | 33,195 | |
| Chamber of Senators (Cámara de Senadores) | Upper | 5 | 30 | 109,543 | |||
 Uzbekistan
|
Supreme Assembly (Oliy Majlis, Олий Мажлис) | Legislative Chamber (Qonunchilik palatasi, Қонунчилик палатаси) | Lower | 5 | 150 | 194,156 | |
| Senate (Senati, Сенати) | Upper | 5 | 100 | 291,234 | |||
 Vanuatu
|
Parliament (Palamen / Parlement) | Unicameral | 4 | 52 | 4319 | ||
 Vatican City/Holy See
|
Pontifical Commission (Pontificia Commissione / Pontificia Commissio) | Unicameral | 5 | 7 | 114 | ||
 Venezuela
|
National Assembly (Asamblea Nacional) | Unicameral | 5 | 277 | 175,430 | ||
 Vietnam
|
National Assembly (Quốc hội) | Unicameral | 5 | 500 | 176,385 | ||
 Yemen
|
Parliament | House of Representatives (مجلس النواب, Majlis al-Nuwaab) | Lower | 6 | 301 | 81,485 | |
| Shura Council (مجلس الشورى, Majlis ash-Shura)[12] | Upper | Life | 111 | 220,963 | |||
 Zambia
|
National Assembly | Unicameral | 5 | 166 | 87,284 | ||
 Zimbabwe
|
Parliament | National of Assembly | Lower | 5 | 210 | 61,971 | |
| Senate | Upper | 5 | 40 | 325,350 | |||
| Region or territory | Overall name of legislature | Name of house | House level | Term (years) | Voting system | Seats | Population per seat |
|---|---|---|---|---|---|---|---|
 Adjara
|
Supreme Council of the Autonomous Republic of Adjara[note 3] (აჭარის ავტონომიური რესპუბლიკის უმაღლესი საბჭო) | Unicameral | 4 | 21 | 16,619 | ||
 Åland
|
Legislative Assembly[note 3] (Lagtinget) | Unicameral | 4 | 30 | 945 | ||
 Alderney
|
States (États) | Unicameral | 4 | 10 | 240 | ||
 American Samoa
|
Legislative Assembly[note 3] (Fono) | House of Representatives | Lower | 2 | 21 | 2,643 | |
| Senate | Upper | 4 | 18 | 3,084 | |||
 Anguilla
|
House of Assembly | Unicameral | 5 | 11 | 1,222 | ||
 Aosta Valley
|
Regional Council (Consiglio regionale/Conseil) |
Unicameral | 5 | 35 | 3,597 | ||
 Aruba
|
Estates (Staten) | Unicameral | 4 | 21 | 4,832 | ||
 Azores
|
Legislative Assembly (Assembleia Legislativa) | Unicameral | 4 | 57 | 4,311 | ||
 Bangsamoro
|
Parliament | Unicameral | 3 | Parallel voting | 80 | 53,414 | |
 Basque Country
|
Parliament | Unicameral | 4 | Closed party lists in three 25-seat constituencies, with seats allocated using the D'Hondt method | 75 | 29,194 | |
 Bermuda
|
Parliament | House of Assembly | Lower | 5 | 36 | 1,784 | |
| Senate | Upper | 11 | 5,839 | ||||
 British Virgin Islands
|
House of Assembly | Unicameral | 4 | 15 | 1,969 | ||
 Canary Islands
|
Parliament (Parlamento de Canarias) | Unicameral | 4 | 70 | 35,000 | ||
 Catalonia
|
Parliament (Parlament de Catalunya) | Unicameral | 4 | 135 | 55,723 | ||
 Cayman Islands
|
Legislative Assembly | Unicameral | 4 | 18 | 3,080 | ||
 Cook Islands
|
Parliament | Unicameral | 4 | 24 | 875 | ||
 Corsica
|
Corsican Assembly (Assemblea di Corsica / Assemblée de Corse) | Unicameral | 6 | 63 | 5,238 | ||
 Crimea
|
State Council (Верховна Рада / Верховный Совет / Yuqarı Radası) | Unicameral | 100 | 22,840 | |||
 Curaçao
|
Estates (Staten) | Unicameral | 4 | 21 | 7,571 | ||
 Falkland Islands
|
Legislative Assembly | Unicameral | 4 | 11 | 272 | ||
 Faroe Islands
|
Law Assembly[note 3] (Løgtingið) | Unicameral | 4 | 33 | 1,467 | ||
 French Polynesia
|
Assembly (Assemblée de la Polynésie française) | Unicameral | 5 | At-large two-round in 8 sections, 19 seats plurality and 38 proportional, 12.5% or top-2 threshold for qualification.[a] | 57 | 4,859 | |
 Galicia
|
Parliament (Parlamento da Galiza/Galicia) | Unicameral | 4 | 75 | 36,649 | ||
 Gibraltar
|
Parliament | Unicameral | 4 | 17 | 1,750 | ||
 Greenland
|
Parliament (Inatsisartut)[note 15] | Unicameral | 4 | 31 | 1,830 | ||
 Guam
|
Legislature (Liheslaturan Guåhan) | Unicameral | 4 | 15 | 10,623 | ||
 Guernsey
|
States (États) | Unicameral | 4 | 45 | 1,387 | ||
 Hong Kong
|
Legislative Council (立法會) | Unicameral | 4 | Proportional representation using the Hare quota and the largest remainder method for the geographical constituencies and functional constituencies elected by their respective electorates | 70 | 101,481 | |
 Isle of Man
|
Tynwald (Tinvaal) | House of Keys (Kiare as Feed) | Lower | 5 | Plurality (2 members from each constituency) | 24 | 3,520 |
| Legislative Council (Yn Choonceil Slattyssagh) | Upper | 5 | Most members indirectly elected by the House of Keys | 11 | 7,681 | ||
 Jersey
|
States Assembly (Assemblée des États) | Unicameral | 4 | Mixed plurality block voting and first-past-the-post voting | 49 | 2,107 | |
 Kurdistan Region
|
Kurdistan Region Parliament (پەرلەمانی کوردستان) | Unicameral | 5 | 111 | 53,109 | ||
 Macau
|
Legislative Assembly (立法會, Assembleia Legislativa) | Unicameral | 4 | Proportional representation, functional constituencies and appointed by the Chief Executive | 29 | 19,610 | |
 Madeira
|
Legislative Assembly (Assembleia Legislativa) | Unicameral | 4 | 47 | 5,698 | ||
 Montserrat
|
Legislative Assembly | Unicameral | 5 | 9 | 546 | ||
| Nakhchivan Autonomous Republic
|
Supreme Assembly (Ali Məclisi) | Unicameral | 5 | 45 | 10,063 | ||
 New Caledonia
|
Congress (Congrès Territorial) | Unicameral | 5 | Closed-list proportional representation by province with 5% (of registered voters) threshold | 54 | 4,547 | |
| Northern Ireland | Northern Ireland Assembly (Tionól Thuaisceart Éireann) | Unicameral | 5 | Single transferable vote | 90[13] | 16,767 | |
 Northern Mariana Islands
|
Commonwealth Legislature | House of Representatives | Lower | 2 | 20 | 2,694 | |
| Senate | Upper | 2 | 10 | 5,388 | |||
 Niue
|
Assembly | Unicameral | 3 | 20 | 69 | ||
 Pitcairn Islands
|
Island Council | Unicameral | 3 | 10 | 6 | ||
 Puerto Rico
|
Legislative Assembly (Asamblea Legislativa) | House of Representatives (Cámara de Representantes) | Lower | 4 | First-past-the-post voting | 51 | 63,172 |
| Senate (Senado) | Upper | 4 | Majority | 27 | 119,326 | ||
| Saint Barthélemy
|
Territorial Council | Unicameral | 5 | At-large two-round, 7 seats by plurality and 12 seats proportional, 10% or top-2 threshold for qualification.[b] | 19 | 488 | |
 Saint Helena
|
Legislative Council | Unicameral | 4 | 21 | 1,266 | ||
| Saint Martin
|
Territorial Council [fr] (conseil territorial) | Unicameral | 6 | At-large two-round, 8 seats by plurality and 15 seats proportional, 10% or top-2 threshold for qualification.[c] | 23 | 1,578 | |
| Saint Pierre and Miquelon
|
Territorial Council | Unicameral | 6 | At-large two-round, 10 seats by plurality and 9 seats proportional, 10% or top-2 threshold for qualification.[d] | 19 | 320 | |
 Sardinia
|
Regional Council (Consiglio regionale) |
Unicameral | 5 | 60 | 27,470 | ||
 Sark
|
Chief Pleas | Unicameral | 12 | 50 | |||
 Scotland
|
Scottish Parliament (Pàrlamaid na h-Alba, Scots Pairlament) | Unicameral | 5 | Additional member system | 129 | 40,734 | |
 Sicily
|
Regional Assembly (Assemblea Regionale) |
Unicameral | 5 | 70 | 71,675 | ||
 Sint Maarten
|
Estates (Staten) | Unicameral | 4 | 15 | 2,495 | ||
 South Tyrol
|
Landtag | Unicameral | 5 | 35 | 14,621 | ||
 Tokelau
|
Parliament | Unicameral | 3 | 20 | 70 | ||
 Trentino
|
Council (Consiglio) |
Unicameral | 5 | 35 | 15,405 | ||
 Turks and Caicos Islands
|
House of Assembly | Unicameral | 4 | 21 | 1,498 | ||
 U.S. Virgin Islands
|
Legislature | Unicameral | 2 | 15 | 7,093 | ||
 Vojvodina
|
Assembly (Скупштина / Skupština / Képviselőháza / Adunarea / Zhromaždenie) | Unicameral | 4 | Proportional representation in a single constituency with a 5% threshold and seats being allocated using d'Hondt method | 120 | 16,098 | |
 Wales
|
Senedd (Welsh Parliament / Senedd Cymru) | Unicameral | 5 | Closed-list[14] | 60 | 51,066 | |
| Wallis and Futuna
|
Territorial Assembly (Assemblée Territoriale) | Unicameral | 5 | Proportional representation by constituency | 20 | 650 | |
 Zanzibar
|
House of Representatives (Baraza la Wawakilishi) | Unicameral | 5 | First-past-the-post voting | 88 | 17,086 | |
| non-UN state | Overall name of legislature | Name of house | House level | Term (years) | Voting system | Seats | Population per seat |
|---|---|---|---|---|---|---|---|
 Abkhazia
|
People's Assembly (Жәлар Реизара, Zhelar Reizara) | Unicameral | 5 | 35 | 6,877 | ||
 Azad Kashmir
|
Azad Kashmir Legislative Assembly | Unicameral | 5 | First past the post | 53 | 1200 | |
 Kosovo
|
Assembly of Kosovo (Albanian: Kuvendi i Kosovës, Serbian Cyrillic: Скупштина Косова) | Unicameral | 4 | 120 | 15,493 | ||
 Northern Cyprus
|
Assembly of the Republic (Cumhuriyet Meclisi) | Unicameral | 5 | 50 | 5,898 | ||
 Sahrawi Arab Democratic Republic
|
Sahrawi National Council (المجلس الوطني الصحراوي Al-Majlis al-Watani al-Sahrawi) | Unicameral | 2 | 53 | |||
 Somaliland
|
Parliament (Baarlamaanka) | House of Representatives (Golaha Wakiilada) | Lower | 5 | 82 | 42,682 | |
| House of Elders (Golaha Guurtida) | Upper | 6 | 82 | 42,682 | |||
 South Ossetia
|
Parliament | Unicameral | 5 | 34 | 2,117 | ||
 Taiwan
|
Legislative Yuan (立法院 Lìfǎ Yùan) | Unicameral | 4 | First-past-the-post voting, Closed party-list proportional representation and indigenous seats with single non-transferable vote | 113 | 208,754 | |
 Central Tibetan Administration (in exile)
|
Parliament of the Central Tibetan Administration (གྲོས་ཚོགས་ཐོག་གསུང་བཤད།) | Unicameral | 5 | First-past-the-post voting | 43 | 73,953[note 16] | |
 Transnistria
|
Supreme Council[15] (Верховный Совет, Verkhovny Sovet) | Unicameral | 5 | 33 | |||
Opinions differ, however the majority of domestic experts agree that the National Council may be regarded as the upper house, but the bicameralism is distinctively incomplete.
