| Australia | Australian Labor Party (ALP) |
| Costa Rica | Citizens’ Action Party (PAC) |
| Georgia | Georgian Dream |
| Germany | Social Democratic Party (SPD) |
| India | Socialist (Samajwadi) Party |
| India | Association for Democratic Socialism |
| Indonesia | Indonesian Democratic Party of Struggle (PDI-Perjuagan) |
| Indonesia | National Democrats Party (Nasdem) |
| Iraq | Patriotic Union of Kurdistan (PUK) |
| Malaysia | Democratic Action Party (DAP) |
| Mongolia | Mongolian People’s Party |
| Morocco | Socialist Union of Popular Forces (USFP) |
| Myanmar | Democratic Party for a New Society |
| Nepal | Nepali Congress Party |
| Netherlands | Labour Party (PvdA) |
| Pakistan | National Party Pakistan |
| Palestine | Fata |
| Palestine | Palestinian National Initiative (PNI) |
| Philippines | Citizens‘ Action Party (Akbayan) |
| South Korea | Justice Party |
| Sweden | Social Democratic Party of Sweden (SAP) |
| Timor Leste | Revolutionary Front for an Independent East Timor (FRETILIN) |
| Tunisia | Ettakatol (FDTL) |
| United Kingdom | The Labour Party
|
| International Union of Socialist Youth (IUSY) | |
| Group of Socialists and Democrats in the European Parliament (S&D Group) | |
| Party of European Socialists (PES) | |
| Network of Social Democracy in Asia (SocDem Asia) | |
| Global Progressive Forum (GPF) | |
| Solidar | |
| Just Jobs Network (JJN) | |
| Olof Palme International Centre (OPIC) | |
| Friedrich Ebert Foundation (FES) | |
| Foundation for European Progressive Studies (FEPS) | |
| Khon Kaen University, Thailand | |
| Progressive Alliance
| |
| Guest: Sri Lanka
| Sri Lanka Freedom Party |
