| Country |
Party
|
| Afghanistan |
Afghan Social Democratic Party
|
| Argentina |
Partido Socialista - Socialist Party
|
| Australia |
Australian Labor Party (ALP)
|
| Austria |
Sozialdemokratische Partei Österreichs (SPOe) - Social Democratic Party of Austria
|
| Belgium |
Flemish Socialistische Partij - Anders (SP.a) - Socialist Party - Different
|
| Walloon Parti Socialiste (PS) - Socialist Party
|
| Bosnia and Herzegovina |
Socijaldemokratska partija Bosne i Hercegovine (SDP) - Social Democratic Party of Bosnia and Herzegovina
|
| Brazil |
Partido da Social Democracia Brasileira (PSDB) - Brazilian Social Democracy Party
|
| Partido Democrático Trabalhista (PDT) - Democratic Labour Party
|
| Partido dos Trabalhadores (PT) - Worker's Party
|
| Canada |
Bloc Québécois (BQ)
|
| New Democratic Party (NDP)
|
| Quebec Parti Québécois (PQ)
|
| Quebec Quebec Solidaire
|
| Colombia |
Colombian Liberal Party
|
| Costa Rica |
Partido Liberación Nacional (PLN) - National Liberation Party
|
| Croatia |
Socijaldemokratska partija Hrvatske - Social Democratic Party of Croatia
|
| Chile |
Socialist Party(Partido Socialista) - Party for Democracy (Partido Por la Democracia)
|
| Czech Republic |
Česká strana sociálně demokratická (ČSSD) - Czech Social Democratic Party
|
| Denmark |
Socialdemokraterne - Social Democrats
|
| Estonia |
Sotsiaaldemokraatlik Erakond (SDE) - Social Democratic Party
|
| Ethiopia |
(ESDFP) - Social Democratic Party
|
| Finland |
Social Democratic Party of Finland (SDP)
|
| France |
Parti Socialiste (PS) - Socialist Party
|
| Germany |
Sozialdemokratische Partei Deutschlands (SPD) - Social Democratic Party of Germany
|
| Greece |
Πανελλήνιο Σοσιαλίστικο Κινήμα / Panellínio Sosialistíko Kiníma (ΠΑΣΟΚ / PASOK) - Panhellenic Socialist Movement
|
| Hong Kong |
Civic Party
|
| League of Social Democrats
|
| The Frontier
|
| Hungary |
Magyar Szocialista Párt (MSZP) - Hungarian Socialist Party
|
| Iceland |
Samfylkingin - Alliance
|
| India |
Indian National Congress (INC)
|
| DMK - Dravida Munnetra Kazhagam
|
| Samajwadi Party - Socialist Party
|
| Indonesia |
Partai Demokrasi Indonesia-Perjuangan (PDI-P) - Indonesian_Democratic_Party_–_Struggle
|
| Iran |
Organization of Iranian People's Fedaian (Majority)
|
| Republic of Ireland |
Páirtí an Lucht Oibre - Labour Party
|
| Israel |
העבודה, Ha‘Avoda - Labor
|
| מרצ-יחד - Meretz-Yachad
|
| Italy |
Democratici di Sinistra (DS) - Democrats of the Left
|
| Japan |
社会民主党, Shakai Minshu-tō - Social Democratic Party (SDP)
|
| Kazakhstan |
Zhalpyulttyk Sotsial-Demokratiyalyk Partiya - Nationwide Social Democratic Party
|
| Kenya |
Madaraka Party of Kenya
|
| Latvia |
Latvijas Sociāldemokrātiskā strādnieku partija (LSDSP) - Latvian Social Democratic Workers' Party
|
| Socialdemokrātu savienība (SDS) - Social Democratic Union
|
| Lebanon |
Democratic Left Movement (Lebanon)
|
| Progressive Socialist Party
|
| Luxembourg |
Lëtzebuergesch Sozialistesch Arbechterpartei - Luxembourg Socialist Workers' Party
|
| Malta |
Malta Labour Party
|
| Mexico |
Partido de la Revolución Democrática - Party of the Democratic Revolution
|
| Partido Alternativa Socialdemócrata y Campesina - Social Democratic and Peasant Alternative Party
|
| Mongolia |
Монгол Ардын Хувьсгалт Нам (MAXH), Mongol Ardyn Khuv'sgatt Nam (MAKN) - Mongolian People's Revolutionary Party (MPRP)
|
| Netherlands |
Partij van de Arbeid (PvdA) - Labour Party
|
| Socialistische Partij - Socialist Party
|
| New Zealand |
New Zealand Labour Party
|
| Norway |
Det norske Arbeiderparti(A) - Norwegian Labour Party
|
| Pakistan |
پاکستان پیپلز پارٹی - Pakistan Peoples Party (PPP)
|
| Poland |
RACJA Polskiej Lewicy (RACJA PL) - REASON of Polish Left
|
| Sojusz Lewicy Demokratycznej (SLD) - Democratic Left Alliance
|
| Socjaldemokracja Polska (SDPL) - Social Democratic Party of Poland
|
| Unia Lewicy - Union of the Left
|
| Portugal |
Partido Socialista - Socialist Party
|
| Puerto Rico |
Partido Independentista Pertorriqueño Puerto Rican Independence Party (PIP)
|
| Romania |
Partidul Social Democrat (PSD) - Social Democratic Party
|
| Russia |
Russian Social Democratic Labour Party
|
| Serbia |
Демократска странка / Demokratska stranka (ДC - DS) - Democratic Party
|
| Liga socijaldemokrata Vojvodine (LSV) - League of Social Democrats of Vojvodina
|
| Socijaldemokratska unija (SDU) - Social Democratic Union
|
| Singapore |
Workers' Party of Singapore
|
| Slovakia |
Smer—sociálna demokracia - Direction - Social Democracy
|
| South Africa |
African National Congress (ANC)
|
| South Korea |
Democratic Labour Party
|
| Spain |
Partido Socialista Obrero Español (PSOE) - Spanish Socialist Workers' Party
|
| Spain |
Eusko Alkartasuna - Basque Socialdemocracy (EA)
|
| Sweden |
Sveriges socialdemokratiska arbetarparti (SAP) - Swedish Social Democratic Party
|
| Switzerland |
Sozialdemokratische Partei der Schweiz (SPS)
Parti socialiste suisse (PSS)
Partito Socialista Svizzero (PSS)
Partida Socialdemocrata de la Svizra (PSS)
Social Democratic Party of Switzerland[1]
|
| Turkey |
Cumhuriyet Halk Partisi (CHP) - Republican People's Party
|
| Demokratik Sol Parti (DSP) - Democratic Left Party
|
| Sosyal Demokrat Halk Partisi (SHP) - Social Democratic People's Party
|
| Özgürlük ve Dayanışma Partisi (ÖDP) - Freedom and Solidarity Party
|
| United Kingdom |
Labour Party
|
| Social Democratic and Labour Party (SDLP) (Northern Ireland only)
|
| Progressive Unionist Party (PUP) (Northern Ireland only)
|
| Scottish National Party (SNP) (Scotland only)
|
| Plaid Cymru (Wales only)
|
| Mebyon Kernow (MK) (Cornwall only)
|
| United States |
Democratic Socialists of America (DSA)
|
| Labor Party
|
| Social Democratic Party of Pennsylvania
|
| United States Territories |
The Puerto Rican Independence Party (PIP) Arguably a Social Democratic Party within the United States, since Puerto Rico's independence is not recognised by the US Government; nevertheless, the Puerto Rican Independence Party is a full-flegged member of the Socialist International (SI).
|
