Compare data on Parliaments
Electoral system
The main electoral system in use. See the electoral sub-system field for a more detailed breakdown.
View field in the data dictionaryThe designations employed and the presentation of material on this map do not imply the expression of any opinion whatsoever on the part of the IPU concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitations of its frontiers or boundaries.
Aggregated data as of today
| Electoral system | Number of countries |
|---|---|
| Proportional representation | 77 |
| Plurality/majority | 64 |
| Mixed system | 35 |
| Other systems | 7 |
Excluding 3 parliaments where all chambers are suspended
Latest data
| Country | Chamber | Electoral system |
|---|---|---|
| House of the People (Suspended) | Other systems | |
| Albania | Parliament | Proportional representation |
| Algeria | National People's Assembly | Proportional representation |
| Andorra | General Council | Mixed system |
| Angola | National Assembly | Proportional representation |
| Antigua and Barbuda | House of Representatives | Plurality/majority |
| Argentina | Chamber of Deputies | Proportional representation |
| Armenia | National Assembly | Proportional representation |
| Australia | House of Representatives | Plurality/majority |
| Austria | National Council | Proportional representation |
| Azerbaijan | National Assembly | Plurality/majority |
| Bahamas | House of Assembly | Plurality/majority |
| Bahrain | Council of Representatives | Plurality/majority |
| Bangladesh | Parliament | Plurality/majority |
| Barbados | House of Assembly | Plurality/majority |
| Belarus | House of Representatives | Plurality/majority |
| Belgium | House of Representatives | Proportional representation |
| Belize | House of Representatives | Plurality/majority |
| Benin | National Assembly | Proportional representation |
| Bhutan | National Assembly | Plurality/majority |
| Bolivia (Plurinational State of) | Chamber of Deputies | Mixed system |
| Bosnia and Herzegovina | House of Representatives | Proportional representation |
| Botswana | National Assembly | Plurality/majority |
| Brazil | Chamber of Deputies | Proportional representation |
| Brunei Darussalam | Legislative Council | Plurality/majority |
| Bulgaria | National Assembly | Proportional representation |
| Burkina Faso | Transitional Legislative Assembly | Proportional representation |
| Burundi | National Assembly | Proportional representation |
| Cabo Verde | National Assembly | Proportional representation |
| Cambodia | National Assembly | Proportional representation |
| Cameroon | National Assembly | Proportional representation |
| Canada | House of Commons | Plurality/majority |
| Central African Republic | National Assembly | Plurality/majority |
| Chad | Transitional National Council | Proportional representation |
| Chile | Chamber of Deputies | Proportional representation |
| China | National People's Congress | No information available |
| Colombia | House of Representatives | Proportional representation |
| Comoros | Assembly of the Union | Plurality/majority |
| Congo | National Assembly | Plurality/majority |
| Costa Rica | Legislative Assembly | Proportional representation |
| Croatia | Croatian Parliament | Proportional representation |
| Cuba | National Assembly of the People's Power | Other systems |
| Cyprus | House of Representatives | Proportional representation |
| Czechia | Chamber of Deputies | Proportional representation |
| Côte d'Ivoire | National Assembly | Plurality/majority |
| Democratic People's Republic of Korea | Supreme People's Assembly | Plurality/majority |
| Democratic Republic of the Congo | National Assembly | Mixed system |
| Denmark | The Danish Parliament | Proportional representation |
| Djibouti | National Assembly | Mixed system |
| Dominica | House of Assembly | Proportional representation |
| Dominican Republic | Chamber of Deputies | Proportional representation |
| Ecuador | National Assembly | Proportional representation |
| Egypt | House of Representatives | Mixed system |
| El Salvador | Legislative Assembly | Proportional representation |
| Equatorial Guinea | Chamber of Deputies | Proportional representation |
| Eritrea | National Assembly | No information available |
| Estonia | The Estonian Parliament | Proportional representation |
| Eswatini | House of Assembly | Plurality/majority |
| Ethiopia | House of Peoples' Representatives | Plurality/majority |
| Fiji | Parliament | Proportional representation |
| Finland | Parliament | Proportional representation |
| France | National Assembly | Plurality/majority |
| Gabon | Transitional National Assembly | No information available |
| Gambia (The) | National Assembly | Plurality/majority |
| Georgia | Parliament | Mixed system |
| Germany | German Bundestag | Mixed system |
| Ghana | Parliament | Plurality/majority |
| Greece | Hellenic Parliament | Proportional representation |
| Grenada | House of Representatives | Plurality/majority |
| Guatemala | Congress of the Republic | Mixed system |
| Guinea | Transitional National Council | Mixed system |
| Guinea-Bissau | People's National Assembly | Proportional representation |
| Guyana | National Assembly | Mixed system |
| Haiti | Chamber of Deputies | Plurality/majority |
| Honduras | National Congress | Proportional representation |
| Hungary | National Assembly | Mixed system |
| Iceland | Parliament | Proportional representation |
| India | House of the People | Plurality/majority |
| Indonesia | House of Representatives | Proportional representation |
| Iran (Islamic Republic of) | Islamic Parliament of Iran | Plurality/majority |
| Iraq | Council of Representatives of Iraq | Other systems |
| Ireland | House of Representatives | Proportional representation |
| Israel | Parliament | Proportional representation |
| Italy | Chamber of Deputies | Mixed system |
| Jamaica | House of Representatives | Plurality/majority |
| Japan | House of Representatives | Mixed system |
| Jordan | House of Representatives | Mixed system |
| Kazakhstan | House of Representatives | Mixed system |
| Kenya | National Assembly | Plurality/majority |
| Kiribati | House of Assembly | Plurality/majority |
| Kuwait | National Assembly | Other systems |
| Kyrgyzstan | Supreme Council | Proportional representation |
| Lao People's Democratic Republic | National Assembly | Plurality/majority |
| Latvia | Parliament | Proportional representation |
| Lebanon | National Assembly | Proportional representation |
| Lesotho | National Assembly | Mixed system |
| Liberia | House of Representatives | Plurality/majority |
| Libya | House of Representatives | Other systems |
| Liechtenstein | Diet | Proportional representation |
| Lithuania | Parliament | Mixed system |
| Luxembourg | Chamber of Deputies | Proportional representation |
| Madagascar | National Assembly | Mixed system |
| Malawi | National Assembly | Other systems |
| Malaysia | House of Representatives | Plurality/majority |
| Maldives | People's Majlis | Plurality/majority |
| Mali | Transitional National Council | Plurality/majority |
| Malta | House of Representatives | Proportional representation |
| Marshall Islands | Parliament | Plurality/majority |
| Mauritania | National Assembly | Mixed system |
| Mauritius | National Assembly | Plurality/majority |
| Mexico | Chamber of Deputies | Mixed system |
| Micronesia (Federated States of) | Congress | Plurality/majority |
| Monaco | National Council | Proportional representation |
| Mongolia | State Great Hural | Plurality/majority |
| Montenegro | Parliament | Proportional representation |
| Morocco | House of Representatives | Proportional representation |
| Mozambique | Assembly of the Republic | Proportional representation |
| House of Representatives (Suspended) | Plurality/majority | |
| Namibia | National Assembly | Proportional representation |
| Nauru | Parliament | Plurality/majority |
| Nepal | House of Representatives | Mixed system |
| Netherlands | House of Representatives | Proportional representation |
| New Zealand | House of Representatives | Mixed system |
| Nicaragua | National Assembly | Proportional representation |
| Niger | National Assembly | Mixed system |
| Nigeria | House of Representatives | Plurality/majority |
| North Macedonia | Assembly of the Republic | Mixed system |
| Norway | Parliament | Proportional representation |
| Oman | Shura Council | Other systems |
| Pakistan | National Assembly | Plurality/majority |
| Palau | House of Delegates | Plurality/majority |
| Panama | National Assembly | Mixed system |
| Papua New Guinea | National Parliament | Plurality/majority |
| Paraguay | Chamber of Deputies | Proportional representation |
| Peru | Congress of the Republic | Proportional representation |
| Philippines | House of Representatives | Mixed system |
| Poland | Sejm | Proportional representation |
| Portugal | Assembly of the Republic | Proportional representation |
| Qatar | Shura Council | Plurality/majority |
| Republic of Korea | National Assembly | Mixed system |
| Republic of Moldova | Parliament | Proportional representation |
| Romania | Chamber of Deputies | Proportional representation |
| Russian Federation | State Duma | Mixed system |
| Rwanda | Chamber of Deputies | Proportional representation |
| Saint Kitts and Nevis | National Assembly | Plurality/majority |
| Saint Lucia | House of Assembly | Plurality/majority |
| Saint Vincent and the Grenadines | House of Assembly | Plurality/majority |
| Samoa | Legislative Assembly | Plurality/majority |
| San Marino | Great and General Council | Proportional representation |
| Sao Tome and Principe | National Assembly | Proportional representation |
| Saudi Arabia | Shura Council | No information available |
| Senegal | National Assembly | Mixed system |
| Serbia | National Assembly | Proportional representation |
| Seychelles | National Assembly | Mixed system |
| Sierra Leone | Parliament | Proportional representation |
| Singapore | Parliament | Plurality/majority |
| Slovakia | National Council | Proportional representation |
| Slovenia | National Assembly | Proportional representation |
| Solomon Islands | National Parliament | Plurality/majority |
| Somalia | House of the People | No information available |
| South Africa | National Assembly | Proportional representation |
| South Sudan | Transitional National Legislative Assembly | No information available |
| Spain | Congress of Deputies | Proportional representation |
| Sri Lanka | Parliament | Proportional representation |
| National Assembly (Suspended) | Mixed system | |
| Suriname | National Assembly | Proportional representation |
| Sweden | Parliament | Proportional representation |
| Switzerland | National Council | Proportional representation |
| Syrian Arab Republic | People's Assembly | No information available |
| Tajikistan | House of Representatives | Mixed system |
| Thailand | House of Representatives | Mixed system |
| Timor-Leste | National Parliament | Proportional representation |
| Togo | National Assembly | Proportional representation |
| Tonga | Legislative Assembly | Plurality/majority |
| Trinidad and Tobago | House of Representatives | Plurality/majority |
| Tunisia | Assembly of People's Representatives | Plurality/majority |
| Turkmenistan | Assembly | Plurality/majority |
| Tuvalu | Parliament of Tuvalu | Plurality/majority |
| Türkiye | Grand National Assembly of Türkiye | Proportional representation |
| Uganda | Parliament | Plurality/majority |
| Ukraine | Parliament | Mixed system |
| United Arab Emirates | Federal National Council | Other systems |
| United Kingdom | House of Commons | Plurality/majority |
| United Republic of Tanzania | National Assembly | Plurality/majority |
| United States of America | House of Representatives | Plurality/majority |
| Uruguay | House of Representatives | Proportional representation |
| Uzbekistan | Legislative Chamber | Plurality/majority |
| Vanuatu | Parliament | Proportional representation |
| Venezuela (Bolivarian Republic of) | National Assembly | Mixed system |
| Viet Nam | National Assembly | Plurality/majority |
| Yemen | House of Representatives | Plurality/majority |
| Zambia | National Assembly | Plurality/majority |
| Zimbabwe | National Assembly | Mixed system |