410 participants from 37 countries coming from the 148 following Parties/Movements/Trade Unions/Associations/Organisations:

#NewRightsNow, Actrices & Acteurs des Temps Présents (Belgium), AKEL (), Alliance for Green (UK), Alter Summit, Ander Europa (Netherlands), Another Europe Is Possible, Association "Les amis de l’Humanité", Bagong Alyansang Makabayan (Philippines), Belarusian “Fair World”, Bloco de Esquerda (Portugal), , Catalunya en Comú, Centre d'Education Populaire André Genot (CEPAG, Belgium), CliMates, Comac (Belgium), Comisiones Obreras (CCOO, Spain), Comité pour l'Abolition des Dettes illégiTiMes (CADTM), Comité pour le Développement et le Patrimoine (CDP), Communist Party of Austria (KPÖ), Communist Party of Bohemia and Moravia (KSČM), Communist Party of Finland (SKP), (PCE), Communist Party of Ukraine (KPU), Communist Party Wallonie-Bruxelles (PCWB), Communist Youth of Finland, Confederazione Generale Italiana del Lavoro (CGIL), Convergenza Socialista (Italy), Coordinadora Latinoamericana de Solidaridad, Coordinamento Nazionale Pensionati (CONUP, Italy), Critical Political Economy Research Network, Déi Lénk (Luxembourg), Demain (Belgium), Democracy in Europe Movement 2025 (DiEM25), , Democratic Socialists of America (DSA), Die Linke (Germany), Ecole de Devoirs du Club Achille Chavée (Belgium), Ecologists Greens Party (Greece), EH Bildu, Elles Tournent(Belgium), Embassy of Nicaragua in Belgium, Embassy of Venezuela in Belgium, Ensemble! (France), ErgasiaSimera (Greece), Espaces Marx (France), Esquerra Republicana de Catalunya (ERC), Europe Ecologie Les Verts (France), Europe Network for Justice and Peace in the Philippines, European Network on Debt and Development (Eurodad), European Public Service Union (EPSU), European Trade Union Confederation (ETUC), Extinction Rebellion, Fairfin (Belgium), Federation of Independent Trade Unions in Education (FSIE), Federation of Young European Greens (FYEG), Federazione nazionale Industria Chimica (Italy), Foundation for European Progressive Studies (FEPS), Freedom and Solidarity Party (ÖDP, Turkey), (PCF), Friends of the Earth Europe, Gauche Républicaine et Socialiste (France), Gauche unitaire européenne/Nordic Green Left (GUE/NGL), General Central of Public Services (CGSP, Belgium), General Federation of Belgian Labour (FGTB, Belgium), Generation Abolition (Belgium), Génération.s (France), Giovani Comunisti/e (Italy), Greek Forum of Refugees, Greek Greens, Green European Foundation (GEF), Greens/European Free Alliance (Greens/EFA), Groen (Belgium), Groupe de recherche et d'information sur la paix (GRIP, Belgium), Groupe de Recherche pour une Stratégie Économique Alternative (Gresea, Belgium), Hungarian Socialist Party, IBON International, IGEN Movement (Hungary), IndustriALL, Iniciativa per Catalunya Verds (ICV), Institute for European Environmental Policy, Instituto de Pensamiento Político y Económico Eloy Alfaro (Ecuador), INTAL (Belgium), International Initiative for Promoting Political Economy (IIPPE), International League of People’s Struggle, International Planned Parenthood Federation (IPPF), Isala (Belgium), Izquierda Unida (Spain), Jusos (Germany), Kurdistan National Congress (KNK), L’Altra Europa con Tsipras (Italy), La Compagnie Maritime (Belgium), , Labour Party (UK), Labour Party of Switzerland, Latitude Jeunes Organisation de Jeunesse (Belgium), (Finland), Left Forum (Finland), Left Republican Youth (Spain), Left Unity (UK), Levica (Slovenia), Linksjugend ['Solid] (Germany), Marea Blanca por la Sanidad Pública (Spain), Marxistische Linke (Germany), Masereel fonds (Belgium), Métallos MWB FGTB (Belgium), Migrante Europe, Młodzi Razem (Poland), Mouvement de la Paix, Naprzód Foundation (Poland), National Democratic Front of the Philippines, , Nicos Poulantzas Institute, No Pasaran, Osez le féminisme (France), Oxfam, Panhellenic Federation of Train Drivers, Parti démocratique des peuples (HDP, Turkey), Party “Left Opposition" (Ukraine), Party of (Czech Republic), Party of the European Left (EL), Progressive Caucus EP, Réalisation Téléformation et Animation (RTA, Belgium), REALPE, Red-Green Alliance (Denmark), Republic and Socialism (France), Rifondazione Comunista (Italy), Rosa Luxemburg Foundation, Saint Petersburg State University, Sinistra Italiana, Sinn Féin (Ireland), Socialists & Democrats (S&D), (Greece), Táncsics/ Radical Left Party (Hungary), The Red Party (RØDT, Norway), The Socialist People's Front of Lithuania, Transform!europe, UNI Europa (European services workers union), , University of Ferrara, University of Greenwich, Vasemmistonuoret (Left Youth, Finland), Workers' Party of Belgium (PTB-PVDA), Workers' Party of Hungary 2006, Young Communists Movement of France, Youth FGTB (Belgium), Youth Génération.s (France), Youth of Syriza (Greece).

From the 37 following countries:

Austria, Belarus, Belgium, Bulgaria, Cuba, Cyprus, Czech Republic, Denmark, Ecuador, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Mexico, Netherlands, Nicaragua, Norway, Palestine, Philippines, Poland, Portugal, Romania, Russia, Slovenia, Spain, Switzerland, Turkey, Ukraine, United Kingdom, United States of America, Venezuela.