Parties participated
- Communist Party of Workers of Belarus
- Workers' Party of Belgium
- New Communist Party of Britain
- Communist Party of Bulgaria
- AKEL-Cyprus
- Communist Party of Bohemia and Moravia
- Communist Party in Denmark
- Communist Party of Denmark
- Finland Communist Workers’ Party for Peace and Socialism
- Pole of Rebirth of Communistes in France
- Union of Revolutionary Communistes of France URCF
- Unified Communist Party of Georgia
- German Communist Party (DKP)
- Communist Party of Greece
- Hungarian Workers' Communist Party
- Workers' Party of Ireland
- Communist Party of Ireland
- Communist Peoples' Left, Italy
- Party of the Italian Communists
- Socialist Party of Latvia
- Communist Party of Luxembourg
- New Communist Party of the Netherlands
- Communist Party of Norway
- Portuguese Communist Party
- Communist Party of Soviet Union
- Communist Party of Russian Federation
- New Communist Party of Yugoslavia
- Communist Party of the Peoples of Spain
- Communist Party of Sweden
- Party of Labour, Switzerland
- Communist Party of Turkey
- Communist Party of Ukraine
- Union of Communists of Ukraine
e-mail:cpg@int.kke.gr