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Albania Socialist Party of Albania, SPA
Algeria Socialist Forces Front, FFS
Andorra Social Democratic Party of Andorra, PS
Angola MPLA
Argentina Radical Civic Union, UCR
Armenia ARF Armenian Socialist Party
Austria Social Democratic Party of Austria, SPÖ
Azerbaijan Social Democratic Party of Azerbaijan, SDPA
Belarus Narodnaya Gramada
Belgium Socialist Party, PS
Bolivia National Unity, UN
Bosnia and Herzegovina Social Democratic Party of Bosnia and Herzegovina, SDP BiH
Botswana Parti Démocratique du Botswana, BDP
Brasile Democratic Labour Party, PDT
Bulgaria Bulgarian Social Democrats, PBSD
Bulgarian Socialist Party, BSP
Burkina Faso People's Movement for Progress, MPP
Cabo Verde African Party of Cabo Verde's Independence, PAICV
Cameroon Social Democratic Front, SDF
Central African Republic Movement for the Liberation of the Central African People, MLPC
Chad National Union for Development and Renewal, UNDR
Chile Party for Democracy, PPD
Radical Party, PR
Socialist Party of Chile, PS
Colombia Liberal Party of Colombia, PLC
Costa Rica National Liberation Party, PLN
Croazia Social Democratic Party, SDP
Cipro Movement of Social Democrats EDEK
Republican Turkish Party, CTP
Social Democratic Party, TDP
Repubblica Ceca Czech Social Democratic Party, CSSD
Repubblica Democratica del Conco Union for Democracy and Social Progress, UDPS
Danimarca Denmark – SD
Djibouti Mouvement pour le renouveau démocratique et le développement, MRD
Repubbliva Domnicana Dominican Revolutionary Party, PRD
Equatorial Guinea Convergence for Social Democracy, CPDS
Estonia Estonia – SDE
Eswatini Parti Démocratique du Swaziland, SWADEPA
Eswatini Mouvement Populaire Démocratique Uni, PUDEMO
Fillandia Finnish Social Democratic Party, SDP
Francia Socialist Party, PS
Gabon Parti Gabonais du Progrès, PGP
Gambie Parti Démocratique Unifié, UDP
Geogia Sociaux-démocrates pour le développement, SDD
Germania Germany – SPD Germany
Ghana National Democratic Congress
Irlanda del Nord Le Parti Travailliste
Irlanda del Nord Social Democratic and Labour Party, SDLP of Northern Ireland
Grecia Movement for Change
Grecia Greece – PASOK
Guatemala National Unity for Hope, UNE
Guinea Guinean People's Assembly, RPG
Haiti Social Democratic Assembly for the Progress of Haiti, RSD
Union of Haitian Social Democrats, Fusion SD
Hungary Hungarian Socialist Party, MSzP
India Indian National Congress, INC
Iran Kurdistan Democratic Party, KDP
Iran Parti Komala du Kurdistan, KPK
Iran Parti Démocratique du Kurdistan d'Iran, PDKI
Parti Komala du Kurdistan d’Iran, KPIK
Iraq Patriotic Union of Kurdistan, PUK
Ireland The Labour Party
Israele Israel Labour Party
Meretz Party
Italia Italian Socialist Party, PSI
Jamaica People's National Party, PNP
Japan Social Democratic Party, SDP
Kenya Parti Travailliste du Kenya
Kosovo Mouvement pour l'autodétermination, Vetëvendosje
Kyrgyzstan Social Democratic Party of Kyrgyzstan, SDPK

Latvia – Saskaņa – SDPS
Lebanon Progressive Socialist Party, PSP
Lesotho Congrès pour la Démocratie du Lesotho, LCD
Lithuania Lithuanian Social Democratic Party, LSDP
Luxembourg Luxembourg Socialist Workers' Party, LSAP/POSL
Malta Malta – LP Malta
Mauritania Assembly of Democratic Forces, RFD
Mauritius Mauritius Labour Party
Mauritius Militant Movement, MMM
Mexico Institutional Revolutionary Party, PRI
Mongolia Mongolian People's Party, MPP
Montenegro Democratic Party of Socialists of Montenegro, DPS
Social Democratic Party of Montenegro, SDP
Morocco Socialist Union of Popular Forces, USFP
Mozambique Frelimo Party
Namibia SWAPO
Nepal Nepali Congress Party
Olanda Netherlands – PvdA
Niger Party for Democracy and Socialism of Niger, PNDS
Norvegia Norway – DNA
Pakistan Pakistan People's Party, PPP
Palestine Fatah
Palestine Front de lutte populaire palestinien, PPSF
Initiative Nationale Palestinienne, PNI
Panama Democratic Revolutionary Party, PRD
Paraguay Progressive Democratic Party, PDP
Peru Peruvian Aprista Party, PAP
Philippines Philippines Social Democratic Party, PDSP
Polonia Poland – SLD Poland
Polonia Poland – UP
Portugal Socialist Party, PS
Puerto Rico Puerto Rican Independence Party, PIP
Republic of Moldova Democratic Party, PDM
République démocratique du Congo Parti Lumumbiste Unifié, PALU
Romania Social Democratic Party, PSD
Russia A Just Russia Party
Sahara Occidental Front Polisario
San Marino Party of Socialists and Democrats
Senegal Socialist Party, PS
Serbie Parti Social-Démocrate de Serbie, SDPS
Slovakia (Slovak Republic) SMER-Social Democracy
South Africa African National Congress, ANC
Spain Spanish Socialist Workers' Party, PSOE
Svezia Sweden – SAP
Syrie Parti de l'union démocratique, PYD
Svizzera Partito Socialista Svizzero
Tunisia Democratic Forum for Labour and Freedoms, FDTL
Turkey Republican People's Party, CHP
Turquie Parti démocratique des peuples, HDP
Ukraine Parti Social-Démocrate d'Ukraine, SDPU
Inghilterra United Kingdom – SDLP (Northern Ireland)
Uruguay New Space, PNE
Venezuela Democratic Action, AD
A New Era, UNT
Voluntad Popular, VP
Yemen Yemeni Socialist Party