Nation |
Party |
Afghanistan |
Afghan Social Democratic Party |
Albania |
Social Democratic Party (Albania) |
Andorra |
Social Democratic Party (Andorra) |
Austria |
Social Democratic Party of Austria |
Bosnia-Herzegovina |
Social Democratic Party of Bosnia and Herzegovina |
Brazil |
Brazilian Social Democracy Party |
Central African Republic |
Social Democratic Party (Central African Republic) |
Croatia |
Social Democratic Party of Croatia |
Czech Republic |
Czech Social Democratic Party |
Denmark |
Socialdemokratiet |
East Timor |
Social Democratic Party (East Timor) |
El Salvador |
Social Democratic Party (El Salvador) |
Estonia |
Social Democratic Party (Estonia) |
Ethiopia |
Ethiopian Social Democratic Federal Party |
Faroe Islands |
Social Democratic Party (Faroe Islands) |
Finland |
Social Democratic Party of Finland |
Gabon |
Social Democratic Party (Gabon) |
Germany |
Social Democratic Party of Germany |
Gibraltar |
Gibraltar Social-Democrats |
Guinea-Bissau |
United Social Democratic Party |
Guyana |
Working People's Alliance |
Honduras |
Social Democratic Party (Honduras) |
Iceland |
Social Democratic Party (Iceland) Alliance (Iceland) (Social Democratic Alliance) |
Japan |
Social Democratic Party (Japan) |
North Korea |
Korean Social Democratic Party |
Latvia |
Latvian Social Democratic Workers' Party |
Lithuania |
Social Democratic Party of Lithuania |
Malaysia |
Social Democratic Party (Malaysia) (defunct) |
Mauritius |
Mauritian Social Democrat Party |
Montenegro |
Social Democratic Party of Montenegro |
New Zealand |
Social Democratic Party (New Zealand) |
Nicaragua |
Social Democratic Party (Nicaragua) |
Nigeria |
Social Democratic Party (Nigeria) |
Poland |
Social Democratic Party of Poland |
Portugal |
Partido Social Democrata |
Romania |
Partidul Social Democrat |
Russia |
Russian Social Democratic Labour Party with its Bolshevik and Menshevik factions Social Democratic Party of Russia (2001) |
Rwanda |
Social Democratic Party (Rwanda) |
Serbia |
Social Democratic Party (Serbia) |
Sweden |
Swedish Social Democratic Party |
Switzerland |
Social Democratic Party of Switzerland |
Tajikistan |
Social Democratic Party (Tajikistan) |
Tunisia |
Movement of Social Democrats |
Ukraine |
United Social Democratic Party of Ukraine |
United Kingdom |
Social Democratic Party (UK) (1981-88) - The original and most prominent incarnation of the SDP Social Democratic Party (UK, 1988) (1988-90) - Continuation by members who had opposed 1988 merger with the Liberal Party Social Democratic Party (UK, 1990) (1990-present) - Continuation of 1988 SDP by members opposed to dissolution Social Democratic Federation - 19th Century political party Social Democratic Party (UK, 1979-82) - Minor party Social Democratic and Labour Party (1970-present) - stands candidates in Northern Ireland but loosely aligned with the Labour Party |
United States |
Social Democratic Party (United States), 1898 - 1901. Predecessor to the Socialist Party of America
Social Democratic Federation (US) (1935 - 1956)
Social Democratic Party of Pennsylvania
Social Democratic Party of Virginia |
Uzbekistan |
Adolat Social Democratic Party |
Zambia |
Social Democratic Party (Zambia) |