| Angola | People’s Movement for the Liberation of Angola (MPLA) |
| Argentina | Socialist Party (PS) |
| Australia | Australian Labor Party (ALP) |
| Brazil | Workers’ Party (PT) |
| Brazil | Brazilian Socialist Party (PSB) |
| Burkina Faso | Party for Democracy and Progress / Socialist Party (PDP/PS) |
| Chile | Socialist Party of Chile (PS) |
| Costa Rica | Citizens’ Action Party (PAC) |
| Denmark | Social Democratic Party |
| Dominican Republic | Modern Revolutionary Party (PRM) |
| Germany | Social Democratic Party of Germany (SPD) |
| Great Britain | Labour Party |
| India | Association for Democratic Socialism |
| Iraq | Patriotic Union of Kurdistan (PUK) |
| Kenya | Labour Party of Kenya (LPK) |
| Malaysia | Democratic Action Party (DAP) |
| Mauritius | Mauritius Militant Movement (MMM) |
| Mexico | Party of Democratic Revolution (PRD) |
| Mexico | Mexico Citizens’ Movement |
| Mongolia | Mongolian People’s Party (MPP) |
| Morocco | Socialist Union of Popular Forces (USFP) |
| Netherlands | Labour Party (PvdA) |
| New Zealand | New Zealand Labor Party (NZLP) |
| Niger | Nigerien Party for Democracy and Socialism (PNDS) |
| Norway | Norwegian Labour Party (DNA) |
| Philippines | Citizens‘ Action Party (Akbayan) |
| Republic of the Congo | Convergence Citoyenne (CC) |
| Romania | Social Democratic Party (PSD) |
| Spain | Spanish Socialist Workers‘ Party (PSOE) |
| Sweden | Swedish Social Democratic Party (SAP) |
| Syria | Syrian Democratic People’s Party |
| Tunisia | Democratic Forum for Labour and Freedoms (Ettakatol) |
| Uruguay | Socialist Party of Uruguay (PSU) |
| Western Sahara | Polisario Front |
| International Union Of Socialist Youth (IUSY) | |
| Group of Socialists & Democrats in the European Parliament (S&D) | |
| Party of European Socialists (PES) | |
| Young European Socialists (YES) | |
| Trade Union Confederation of the Americas (CSA) | |
| Australian Workers’ Union (AWU) | |
| Foundation for European Progressive (FEPS) | |
| Fundação João Mangabeira | |
| Global Progressive Forum | |
| SOLIDAR | |
| Progressive Alliance |
