Country |
Party/Organization |
Abbreviation |
Nationwise Lower/Unicameral House |
Government status |
Notes |
Algeria | Socialist Forces Front | FFS | | Extra-parliamentary opposition | |
Argentina | Socialist Party | PS | [33] | In opposition | |
Generation for a National Encounter | GEN | | In opposition | |
Australia | Australian Labor Party | ALP | | In government | Ruling at a national level with a parliamentary majority since 2022. Ruling at state-level in New South Wales, South Australia, Victoria, Western Australia, and the Australian Capital Territory. |
Austria | Social Democratic Party of Austria | SPÖ | | In government | In coalition governments at federal level and at state-level in Burgenland, Carinthia, Vienna. |
Bahrain | National Democratic Action Society | Waad | | Extra-parliamentary opposition | Banned in its country as a terrorist organisation as of 2017. |
Belarus | Belarusian Social Democratic Party | Hramada | | Extra-parliamentary opposition | |
Belgium | Socialist Party | PS | | In opposition | |
Forward | Vooruit[34] | | In coalition | |
Benin | The Democrats | LD | | In opposition | |
Bolivia | Movement for Socialism | MAS | | In government | |
Bosnia and Herzegovina | Social Democratic Party of Bosnia and Herzegovina | SDP | | In government | |
Brazil | Workers' Party | PT | | In government | In government in Bahia, Ceará, Piauí and Rio Grande do Norte. |
Brazilian Socialist Party | PSB | | In coalition | In government in Espírito Santo, Maranhão and Paraíba. |
Bulgaria | Bulgarian Socialist Party | BSP | | In opposition | |
Burkina Faso | People's Movement for Progress | MPP | Dissolved | Extra-parliamentary opposition | President Roch Marc Christian Kaboré, a member of the party, was deposed in a midterm coup d'état. |
Cameroon | Social Democratic Front | SDF | | In opposition | |
Canada | New Democratic Party | NDP/NPD | | In opposition | In government in the provinces of British Columbia and Manitoba. Supply and confidence agreement in the territory of Yukon. |
Central African Republic | Movement for the Liberation of the Central African People | MLPC | | In opposition | |
Chile | Socialist Party of Chile | PS | | In coalition | |
Party for Democracy | PPD | | In coalition | |
Democratic Republic of Congo | Union for Democracy and Social Progress | UDPS | | In government | |
Costa Rica | Citizens' Action Party | PAC | | Extra-parliamentary opposition | |
Croatia | Social Democratic Party of Croatia | SDP | | In opposition | |
Cyprus | EDEK Socialist Party | EDEK | | In government | |
Democratic Party | DIKO | | In government | |
Czech Republic | Social Democracy | SOCDEM | | Extra-parliamentary opposition | |
Denmark | Social Democratic Party | | | In coalition | |
Dominican Republic | Modern Revolutionary Party | PRM | | In government | |
East Timor | Revolutionary Front for an Independent East Timor | FRETILIN | | In opposition | |
Egypt | Egyptian Social Democratic Party | ESDP | | In opposition | |
Equatorial Guinea | Convergence for Social Democracy | CPDS | | In opposition | |
Eritrea | Eritrean People's Democratic Front | EPDF | | Extra-parliamentary opposition | Banned as a legal party due to country being a one-party state. |
Eswatini | People's United Democratic Movement | PUDEMO | | Extra-parliamentary opposition | |
Swazi Democratic Party | SWADEPA | | Extra-parliamentary opposition | |
Finland | Social Democratic Party of Finland | SDP | | In opposition | |
France | Socialist Party | PS | | In opposition | |
Germany | Social Democratic Party of Germany | SPD | | In government | |
Ghana | National Democratic Congress | NDC | | In government | |
Greece | Panhellenic Socialist Movement | PASOK | [35] | In opposition | |
Grenada | National Democratic Congress | NDC | | In government | |
Guinea | Guinean People's Assembly | RPG | | In opposition | President Alpha Condé, a member of the party, was deposed in a midterm coup d'état. Moreover, the National Assembly, where it held a supermajority, was replaced by the junta-appointed National Transitional Council.[36] |
Hungary | Hungarian Socialist Party | MSzP | | In opposition | |
India | Indian National Congress | INC | | In opposition | In state governments in Telangana, Karnataka, Himachal Pradesh. With coalitions in Jammu and Kashmir and Tamil Nadu |
Samajwadi Party | SP | | In opposition | |
Indonesia | Indonesian Democratic Party of Struggle | PDI-P | | Confidence and supply | |
NasDem Party | NasDem | | Confidence and supply | |
Iran | Democratic Party of Iranian Kurdistan | PDKI | | Extra-parliamentary opposition | |
Komala Party of Iranian Kurdistan | KPIK | | Extra-parliamentary opposition | |
Iraq | Patriotic Union of Kurdistan | PUK | | In opposition | |
Kurdistan Socialist Democratic Party | KSDP | | Extra-parliamentary opposition | |
Ireland | Labour Party | | | In opposition | |
Israel | The Democrats | HaDemokratim | | In opposition | |
Italy | Democratic Party | PD | | In opposition | |
Ivory Coast | Cap Union for Democracy and Development | CAP-UDD | | Extra-parliamentary opposition | |
Freedom and Democracy for the Republic | LIDER | | Extra-parliamentary opposition | |
Jordan | Jordanian Social Democratic Party | KPK | | Extra-parliamentary opposition | |
Kenya | Labour Party of Kenya | KLP | | Extra-parliamentary opposition | |
Kosovo | Vetëvendosje | LV | | In government | |
Kyrgyzstan |
Social Democrats |
SDK |
|
opposition |
Represented in city councils and parliament. Leader - Temirlan Sultanbekov |
Latvia | Social Democratic Party "Harmony" | SDPS | | Extra-parliamentary opposition | |
Lebanon | Progressive Socialist Party | PSP | | In coalition | |
Lithuania | Social Democratic Party of Lithuania | LSDP | | In coalition | |
Luxembourg | Luxembourg Socialist Workers' Party | LSAP | | In opposition | |
Malaysia | Democratic Action Party | DAP | | In coalition | In coalition in Negeri Sembilan, Penang, Perak, Pahang, Sabah and Selangor. |
Mauritania | Rally of Democratic Forces | RFD | | In opposition | |
Mauritius | Mauritian Militant Movement | MMM | | In coalition | |
Mexico | Citizens' Movement | MC | | In opposition | In government in Jalisco and Nuevo León in coalition Guanajuato and Yucatan . |
Party of the Democratic Revolution | PRD | | In opposition | in coalition Aguascalientes Chihuahua Durango Guanajuato |
Moldova | Democratic Party of Moldova | PDM | | Extra-parliamentary opposition | |
Mongolia | Mongolian People's Party | MPP | | In government | |
Montenegro | Democratic Party of Socialists of Montenegro | DPS | | In opposition | |
Social Democratic Party of Montenegro | SDP | | In opposition | |
Morocco | Socialist Union of Popular Forces | USFP | | In opposition | |
Myanmar | Democratic Party for a New Society | DPNS | | Extra-parliamentary opposition | |
Nepal | Nepali Congress | NC | | In government | |
Netherlands | Labour Party | PvdA/GL | | In opposition | |
New Zealand | New Zealand Labour Party | NZLP/LAB | | In opposition | |
Nicaragua | Democratic Renewal Union | Unamos | | Extra-parliamentary opposition | |
Niger | Nigerien Party for Democracy and Socialism | PNDS | | In coalition | |
North Macedonia | Social Democratic Union of Macedonia | SDSM | | In opposition | |
Northern Cyprus | Republican Turkish Party | CTP | | In opposition | Northern Cyprus is not a UN-recognized state. |
Norway | Labour Party | Ap | | In government | |
Palestine | Fatah | | | In government | |
Palestinian National Initiative | PNI | | In opposition | |
Paraguay | Party for a Country of Solidarity | PPS | | In opposition | Affiliated with Guasú Front in national parliament. |
Philippines | Akbayan Citizens' Action Party | | | In opposition | One senator in the popularly-elected upper chamber, Senate of the Philippines. |
Portugal | Socialist Party | PS | | In opposition | |
Republic of Congo | Citizens' Convergence | CC | | Extra-parliamentary opposition | |
Romania | Social Democratic Party | PSD | | In coalition | |
Saint Lucia | Saint Lucia Labour Party | SLP | | In government | |
Sao Tome and Principe | Movement for the Liberation of São Tomé and Príncipe/Social Democratic Party | MLSTP-PSD | | In opposition | |
Senegal | Socialist Party of Senegal | PS | | Extra-parliamentary opposition | |
Serbia | Democratic Party | DS | | In opposition | |
Slovenia | Social Democrats | SD | | In coalition | |
Spain | Spanish Socialist Workers' Party | PSOE | | In coalition | |
Sweden | Swedish Social Democratic Party | SAP | | In opposition | |
Switzerland | Social Democratic Party of Switzerland | SP | | In coalition | |
Syria | Syrian Democratic People's Party | | | Extra-parliamentary opposition | |
Tanzania | Chama Cha Mapinduzi | CCM | | In government | |
Thailand | People's Party | PPLE | | In opposition | |
Tunisia | Democratic Forum for Labour and Liberties | Ettakatol | | Extra-parliamentary opposition | |
Turkey | Republican People's Party | CHP | | In opposition | |
Peoples' Equality and Democracy Party | DEM | | In opposition | |
United Kingdom | Labour Party | | | In government | Ruling nationally (at Westminster) since 2024 with a parliamentary majority following the 2024 United Kingdom general election. Welsh Labour is in government in Wales and London Labour holds the London Mayoralty |
United States | Democratic Party | DEM | | In opposition | |
Uruguay | Socialist Party of Uruguay | PSU | | In government | Affiliated with the Broad Front in the national parliament. |
Venezuela | Movimiento al Socialismo | MAS | | In opposition | Affiliated with the Democratic Alliance in the national parliament. |
Western Sahara | Polisario Front | | | One-party state | Western Sahara is not a UN-recognized state. |
Yemen | Yemeni Socialist Party | YSP | | In opposition | |
Zimbabwe | Movement for Democratic Change | MDC | | In opposition | |
Africa | Central African Progressive Alliance | APAC | | | |
The Americas | Center for American Progress | CAP | | | |
Trade Union Confederation of the Americas | CSA | | | |
Asia | Network of Social Democracy in Asia | SOCDEM | | | |
Arab Social Democratic Forum | ASDF | | | |
Europe | Party of European Socialists | PES | | | |
Party of European Socialists Women | PES Women | | | |
Young European Socialists | YES | | | |
Foundation for European Progressive Studies | FEPS | | | |
Socialist Group in the Council of Europe | SOC | | | |
European Forum for Democracy and Solidarity | | | | |
European Union | Progressive Alliance of Socialists and Democrats | S&D | | | European Parliament |
International | Socialist International Women | SIW | | | |
International Union of Socialist Youth | IUSY | | | |
International Trade Union Confederation | ITUC | | | |
National Democratic Institute for International Affairs | NDI | | | |
Olof Palme International Center | OPIC | | | |
Trade Union Advisory Committee to the OECD | TUAC | | | |
Association for Democratic Socialism | | | | |
CEE Gender Network | | | | |
Global Progressive Forum | | | | |
IndustriALL Global Union | | | | |
Just Jobs Network | | | | |
Solidar | | | | |