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List of social democratic and democratic socialist parties that have governed

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This is a list of social democratic and democratic socialist parties which have governed countries, whether as the ruling party or as a member of a governing coalition. Most of these parties were members of the Socialist International.

Political parties

More information Country, Party ...
Country Party Years in power Member of SI Notes
Afghanistan Homeland Party 1990–1992
Albania Socialist Party of Albania 2013–present
Armenia Armenian Revolutionary Federation yes
Australia Australian Labor Party 1904, 1908–1909, 1910–1913, 1914–1917, 1929–1932, 1941–1949, 1972–1975, 1983–1996, 2007–2013, 2022–presentyes (formerly)
Austria Social Democratic Party of Austria 1918–1921, 1945–1966, 1970–2000, 2007–2017, 2025–presentyes (formerly)
Bangladesh Bangladesh Awami League 2009–present
Barbados Barbados Labour Party 1954–1961, 1976–1986, 1994–2008, 2018–present
Democratic Labour Party 1961–1976, 1986–1994, 2008–2018
Belgium Belgian Socialist Party 1938–1939, 1945–1949, 1954–1958, 1973–1974
Parti socialiste 2011–2014
Bermuda Progressive Labour Party 1998–2012
Bolivia Movement Towards Socialism 2006–2025
Colombia Colombian Liberal Party yes
Chile Socialist Party of Chile 1970–1973, 2006–2010, 2014–2018yes
Czech Republic Social Democracy 1998–2006, 2013–2017, 2018–2021yes
Czechoslovakia Social Democracy yes
Czech National Social Party no
German Social Democratic Workers' Party in the Czechoslovak Republic no
Brazil Brazilian Socialist Party 2002–2014, 2023–present
Socialism and Liberty Party 2023–present
Workers' Party 2003–2016, 2023–present
Bulgaria Bulgarian Socialist Party 2002-2012
Costa Rica National Liberation Party 1948-1949, 1953-1958, 1962-1966, 1970-1978, 1982-1990, 1994-1998, 2006-2014
Denmark Social Democrats (Denmark) 1916–1920, 1924–1926, 1929–1945, 1947–1950, 1953–1968, 1971–1973, 1975–1982, 1993–2001, 2011–2015, 2019–
Dominica Dominica Labour Party 1961–1979, 2000–present
Dominican Republic Dominican Revolutionary Party 1963, 1978–1986, 2000–2004
Ecuador Democratic Left 1988–1992
PAIS Alliance 2007–2021
El Salvador Farabundo Martí National Liberation Front 2009–2019
Fiji Fiji Labour Party 1987, 1999–2000
Finland Social Democratic Party of Finland 1926–1927, 1937–1959, 1966–1991, 1995–2007, 2011–2015, 2019–2023yes
France French Section of the Workers' International
Socialist Party 1981–1995, 1997–2002, 2012–2017yes
Gibraltar Gibraltar Socialist Labour Party
Germany Social Democratic Party of Germany 1918–1925, 1928–1930, 1966–1982, 1998–2009, 2013–present
Ghana National Democratic Congress yes
Greece Panhellenic Socialist Movement 1981–1989, 1993–2004, 2009–2012
Syriza 2015–2019
Greenland Siumut
Guyana People's National Congress (Guyana) 2015–present
Hungary Hungarian Socialist Party 1994–1998, 2002–2010yes
Social Democratic Party of Hungary 1918–1919
Iceland Social Democratic Alliance 2009–2013yes
India Indian National Congress 1947–1977, 1980–1989, 1991–1996, 2004–2014yes
Ireland Sinn Féin 1919–22
Israel Israeli Labor Party 1968–1977, 1984–1990, 1992–1996, 1999–2003, 2006–2011, 2020–2022yes (formerly)
Italy Italian Socialist Party
Jamaica People's National Party 1955–1962, 1972–1980, 1989–2007, 2012–2016
Japan Japan Socialist Party 1947–1948yes[1]
Lebanon Armenian Revolutionary Federation yes
Progressive Socialist Party yes
Malta Labour Party
Mauritius Labour Party
Mauritian Militant Movement
Militant Socialist Movement
Mongolia Mongolian People's Revolutionary Party
Montenegro Democratic Party of Socialists of Montenegro
Morocco Socialist Union of Popular Forces
  Nepal Nepali Congress
Netherlands Labour 1946, 1948–1958, 1973–1977, 1994–2002
New Zealand Labour Party 1935–1949, 1957–1960, 1972–1975, 1984–1990, 1999–2008, 2017–2023observer
Niger Nigerien Party for Democracy and Socialism
Norway Labour Party 1928, 1935–1965, 1971–1972, 1973–1981, 1986–1989, 1990–1997, 2000–2001, 2005–2013, 2021–presentobserver
Pakistan Pakistan People's Party
Poland Polish Socialist Party
Democratic Left Alliance 1993–1997, 2001–2005
New Left 2023–present
Portugal Portuguese Socialist Party no
Socialist Party 1976–1978, 1983–1985, 1995–2002, 2005–2011, 2015–2024yes
Saint Kitts and Nevis Saint Kitts and Nevis Labour Party 1960–1980, 1995–2015, 2022-present
Saint Lucia Saint Lucia Labour Party 1960–1964, 1979–1982, 1997–2006, 2011–2016, 2021–present
Saint Vincent and the Grenadines Saint Vincent Labour Party 1967–1972, 1974–1984
Unity Labour Party 2001–2025
Serbia Democratic Party 2000–2003, 2008–2012yes
Slovakia Party of the Democratic Left yes
Party of Civic Understanding no
Direction – Social Democracy 2006–2010, 2012–2020, 2023-presentyes
Voice – Social Democracy 2023-presentno
South Africa African National Congress 1994–presentyes
Spain Spanish Socialist Workers' Party 1931–1933, 1936–1939, 1982–1996, 2004–2011, 2018–presentyes
Sri Lanka Sri Lanka Freedom Party 1956–1960, 1960–1965, 1970–1977, 1994–2022no
Janatha Vimukthi Peramuna 2004–2005, 2024–presentno
Sweden Swedish Social Democratic Party 1917–1920, 1921–1923, 1924–1926, 1932–1976, 1982–1991, 1994–2006, 2014–2022
Tanzania Tanganyika African National Union 1962–1977
Chama Cha Mapinduzi 1977–presentyes
Trinidad and Tobago United National Congress 1995–2001, 2010–2015, 2025-present
Turkey Republican People's Party 1923–1950, 1961–1965, 1971–73, 1974, 1977, 1978–1979, 1995–1996
Social Democratic People's Party 1991–1995
Democratic Left Party 1997–2002
Peoples' Democratic Party 2015
United Kingdom Labour Party 1915–1922, 1924, 1929–1951, 1964–1970, 1974–1979, 1997–2010, 2024–presentobserver
Uruguay Socialist Party of Uruguay 2005–presentyes
Venezuela Democratic Action 1945–1948, 1959–1969, 1974–1979, 1984–1993
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Currently represented

The following is a list of democratic socialist or partially democratic socialist parties which are currently being represented in the legislature of their country. It does not include democratic socialist parties that are mainly social democratic and are considered to their right within the centre-left.

  •   indicates a governing party, including as junior coalition partner or providing parliamentary support
More information Party, Country ...
Party Country Date established % of popular vote
in the latest election		 Seats in the legislature
(lower chamber if bicameral)
Movement for Socialism[2] Bolivia 1998 55.10% (2020)
75 / 130 (58%)
Broad Front1[3] Uruguay 1971 40.49% (2019)
42 / 99 (42%)
Party of Socialists of the Republic of Moldova[4] Moldova 1997 27.17% (2021)
32 / 101 (32%)
National Unity of Hope1[2] Guatemala 2002 17.92% (2019)
54 / 160 (34%)
Labour Party1[5] United Kingdom 1900 33.70% (2024)
404 / 650 (62%)
Scottish National Party1[6] Scotland 1936 38.18% (2026)
58 / 129 (45%)
Plaid Cymru1[7][8][9][10] Wales 1925 35.41% (2026)
43 / 96 (45%)
Social Democratic and Labour Party1[11] Northern Ireland 1970 9.1% (2022)
8 / 90 (9%)
Sinn Féin[12][13] Northern Ireland 1905 29% (2022)
27 / 90 (30%)
Ireland 1905 24.53% (2020)
37 / 158 (23%)
Syriza1[14] Greece 2004 17.83% (2023)
47 / 300 (16%)
Farabundo Martí National Liberation Front[2] El Salvador 1980 6.91% (2021)
4 / 84 (5%)
Inuit Ataqatigiit[15] Greenland 1976 37.44% (2021)
12 / 31 (39%)
Left-Green Movement[16] Iceland 1999 12.57% (2021)
6 / 63 (10%)
Democratic Socialist Left[17] San Marino 2017 16.49% (2019)
10 / 60 (17%)
Party of Socialists and Democrats1[17] San Marino 2005 13.13% (2019)
8 / 60 (13%)
Guasú Front[2] Paraguay 2010 11.83% (2018)
6 / 45 (13%)
Peoples' Democratic Party[18][19](Entered the 2023 elections from the Peoples' Equality and Democracy Party lists) Turkey 2012 8.82% (2023)
57 / 600 (10%)
Workers' Party1[20][21][22][23][24][25][26] Brazil 1980 10.30% (2018)
56 / 513 (11%)
Unidas Podemos[27] Spain 2016 12.86% (2019)
35 / 350 (10%)
The Left[28] Slovenia 2014 4.46% (2022)
5 / 90 (6%)
The Left[29] Germany 2007 4.9% (2021)
39 / 709 (6%)
Socialist Party1[30] Netherlands 1971 6% (2021)
9 / 150 (6%)
Socialist Party of Serbia1[31][32] Serbia 1990 11.79 (2022)
23 / 250 (9%)
Left Alliance[33] Finland 1990 8.17% (2019)
16 / 200 (8%)
Left Party[34] Sweden 1917 8.02% (2018)
28 / 349 (8%)
Socialist People's Party[35] Denmark 1959 7.71% (2019)
14 / 179 (8%)
New Democratic Party1[36] Canada 1961 15.98% (2019)
24 / 338 (7%)
Red–Green Alliance[35] Denmark 1989 6.93% (2019)
13 / 179 (7%)
A Just Russia1[37] Russia 2006 6.34% (2016)
16 / 225 (7%)
Broad Front[38][39] Peru 2013 6.18% (2020)
9 / 130 (7%)
Socialist Left[40] Norway 1975 6.02% (2017)
11 / 169 (7%)
Brazilian Socialist Party[41] Brazil 1947 5.52% (2018)
31 / 513 (6%)
Democratic Labour Party1[41] Brazil 1979 4.68% (2018)
28 / 513 (5%)
La France insoumise[42] France 2016 11.03% (2017)
17 / 577 (3%)
The Left[43] Luxembourg 1999 5.48% (2018)
2 / 60 (3%)
Socialism and Liberty Party[41] Brazil 2004 2.85% (2018)
10 / 513 (2%)
Free and Equal1[44] Italy 2017 3.39% (2018)
14 / 630 (2%)
Movement of Socialist Democrats[45] Tunisia 1978 1.04% (2019)
1 / 217 (0.5%)
Armenian Revolutionary Federation1[46][47] Armenia 1890 3.89% (2018)
0 / 132 (0%)
Workers' Party1[48] Singapore 1957 14.99% (2025)
10 / 97 (10%)
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