| parties and organizations |
Country |
Note |
|---|
| Global Labour Institute | international | Switzerland, USA, UK and Russia |
| Socialist Party of Albania |  Albania | member of Socialist International[1] |
| Social Forces Front |  Algeria | member of Socialist International |
| Movimento Popular de Libertação de Angola - Partido do Trabalho |  Angola | |
| Partido Socialista |  Argentina | member of Socialist International |
| Australian Labour Party |  Australia | member of Socialist International |
| Social Democratic Party of Austria |  Austria | member of Socialist International |
| Eusko Alkartasuna |  Basque Country |
| Comité voor een Andere Politiek - Comité pour une Autre Politique | .svg.png) Belgium | |
| Socialist Party (Belgium) | Belgium | member of Socialist International |
| Movimiento al Socialismo |  Bolivia | member of Socialist International |
| Revolutionary Left Movement (Bolivia) | member of Socialist International |
| Partido Democrático Trabalhista |  Brazil | member of Socialist International |
| Partido da Social Democracia Brasileira | |
| Partido Socialista Brasileiro | |
| Partido da Mobilização Nacional | |
| Partido Socialismo e Liberdade | |
| Partido Popular Socialista | |
| Partido Socialista dos Trabalhadores Unificado | |
| Partido da Causa Operária | |
| Partido dos Trabalhadores | |
| New Democratic Party of Canada |  Canada | member of Socialist International |
| Socialist Party of Canada | Libertarian socialism, internationalism, Left communism |
| Parti Québécois |  Quebec | social democracy, neo-liberalism, Quebec nationalism, separation of Quebec |
| Québec Solidaire | democratic socialism, altermondialism, separation of Quebec |
| Popular Unity Candidates |  Catalonia | Catalan independentism, Libertarian socialism, Direct Democracy |
| Concert of Parties for Democracy |  Chile | coalition of member parties of Socialist International |
| Colombian Liberal Party |  Colombia | member of Socialist International |
| National Liberation Party |  Costa Rica | member of Socialist International |
| Socijalistička radnička partija Hrvatske |  Croatia | |
| Democratic Social-Revolutionary Party of Cuba |  Cuba | |
| Czech Social Democratic Party |  Czech Republic | member of Socialist International |
| Enhedslisten |  Denmark | |
| Social Democrats | member of Socialist International |
| Alianza PAIS |  Ecuador | |
| Frente Farabundo Martí para la Liberación Nacional |  El Salvador | |
| European United Left - Nordic Green Left |  European Union | partially communist |
| European Left | |
| Tjóðveldi |  Faroe Islands | "Self-governed part of the Kingdom of Denmark" |
| Fiji Labour Party |  Fiji | |
| Vasemmistoliitto |  Finland | |
| Parti Socialiste |  France | member of Socialist International |
| Die Linke |  Germany | |
| Social Democratic Party of Germany | member of Socialist International |
| Panhellenic Socialist Movement |  Greece | member of Socialist International |
| Indian National Congress |  India | |
| Samajwadi Party | |
| Organization of Iranian People's Fedaian |  Iran | |
| Irish Republican Socialist Party |  Ireland | socialism, Irish Republicanism |
| Labour Party | member of Socialist International |
| Sinn Féin | democratic socialism, social democracy, Irish Republicanism |
| Social Democratic and Labour Party |  Northern Ireland | social democracy, Irish nationalism |
| Habonim Dror |  Israel (international) | labour Zionist youth movement |
| Labor Party | Israel | member of Socialist International |
| Meretz-Yachad | democratic socialism, Labor Zionism, member of Socialist International |
| Democratic Party |  Italy | |
| Social Democratic Party (Japan) |  Japan | member of Socialist International | |
| Labor Party |  South Korea | |
| Socialist Party of Macedonia |  Macedonia | |
| Parti Tindakan Demokratik |  Malaysia | |
| Partido de la Revolución Democrática |  Mexico | member of Socialist International |
| Demokratska Partija Socijalista Crne Gore |  Montenegro | |
| Nepali Congress |  Nepal | member of Socialist International |
| Socialistische Partij |  Netherlands | |
| Progressive Party |  New Zealand | coalition partner with the NZ Labour Party, progressivism, democratic socialism |
| Frente Sandinista de Liberación Nacional |  Nicaragua | member of Socialist International |
| Labour Party |  Norway | observer of Socialist International |
| Sosialistisk Venstreparti | |
| Pakistan Peoples Party |  Pakistan | member of Socialist International |
| Fatah |  Palestine | member of Socialist International |
| Partido Socialista |  Peru | |
| Sojusz Lewicy Demokratycznej |  Poland | member of Socialist International |
| Młodzi Socjaliści | |
| Partido Socialista |  Portugal | member of Socialist International |
| Puerto Rico Independence Party |  Puerto Rico | member of Socialist International |
| A Just Russia |  Russia | member of Socialist International |
| People's Action Party |  Singapore | |
| Workers' Party of Singapore | |
| Initiative for Democratic Socialism |  Slovenia | |
| Somali Salvation Democratic Front |  Somalia | |
| African National Congress |  South Africa | member of Socialist International |
| Spanish Socialist Workers Party |  Spain | member of Socialist International |
| United Left | |
| Building the Left-Socialist Alternative | leftist split-off from PSOE |
| United People's Freedom Alliance |  Sri Lanka | |
| Vänsterpartiet |  Sweden | |
| Sveriges socialdemokratiska arbetareparti | member of Socialist International |
| Rättvisepartiet Socialisterna | Trotskyism, socialism, internationalism |
| Socialistiska Partiet | |
| Republican People's Party |  Turkey | member of Socialist International |
| Ukraine - Forward! |  Ukraine | |
| Labour Party |  United Kingdom | |
| Socialist Party of Great Britain | Libertarian socialism, Orthodox Marxism, Impossiblism |
| Scottish Socialist Party |  Scotland | socialism, Scottish nationalism |
| Scottish National Party | Social Democracy, Scottish nationalism |
| Plaid Cymru |  Wales | Welsh nationalism/Social Democracy |
| Committees of Correspondence for Democracy and Socialism |  United States | does not run candidates in elections |
| The Socialist Humanist League |
does not run candidates in elections |
| Democratic Socialists of America | does not run candidates in elections, member of Socialist International |
| Green Party of the United States | |
| Liberty Union Party | runs candidates in Vermont |
| Peace and Freedom Party | runs candidates in California |
| Socialist Alternative | Runs candidates in local elections, Trotskyist, member of Committee for a Workers' International |
| Socialist Party USA | |
| Socialist Workers Movement | active in Puerto Rico |
| Solidarity | does not run candidates in elections |
| Partido Socialista Unido de Venezuela |  Venezuela | democratic socialism, Bolivarianism |
| Movement for Democratic Change |  Zimbabwe | member of Socialist International |