Formerly Ruling
- Afghanistan, Democratic Republic of (1978–1992) - People's Democratic Party of Afghanistan
- Albania, People's Socialist Republic of (1944–1992) - Albanian Party of Labour
- Angola, People's Republic of (1975–1992) - abandoned Marxism-Leninism for social democracy - Popular Movement for the Liberation of Angola
- Benin, People's Republic of (1975–1990) - People's Revolutionary Party of Benin
- Bulgaria, People's Republic of (1944–1990) - Bulgarian Communist Party (known from 1938 to 1948 as the Bulgarian Workers Party)
- Chile (1970–1973) - Communist Party of Chile – participated in the ruling coalition
- Congo, People's Republic (1970–1992) - abandoned Marxism-Leninism for social democracy - Congolese Party of Labour
- Czechoslovak Republic (1948–1989) - Communist Party of Czechoslovakia
- Ethiopia, People's Democratic Republic (1974–1991) - Workers' Party of Ethiopia
- German Democratic Republic (East Germany) (1949–1990) - Socialist Unity Party of Germany
- Hungarian Soviet Republic (1919) - Hungarian Communist Party
- Hungarian People's Republic (1949–1990) - Hungarian Working People's Party, Hungarian Socialist Workers' Party
- Democratic Kampuchea (1976–1979) (in coalition 1975-1976) - Khmer Rouge
- Kampuchea, People's Republic (1979–1993) - Cambodian People's Party
- Korea, Democratic People's Republic of (1948-1992) - abandoned Marxism-Leninism for Juche Workers' Party of Korea
- Lithuanian-Belorussian Soviet Socialist Republic (1919) - Communist Party (bolsheviks) of Lithuania and Belorussia
- Moldova, Republic of (2001–2009) – Party of Communists of the Republic of Moldova – lead the ruling coalition
- Mongolian People's Republic (1924–1992) - Mongolian People's Revolutionary Party
- Mozambique, People's Republic of (1975–1992) abandoned Marxism-Leninism for social democracy - FRELIMO
- Poland, People's Republic of (1945–1989) - Polish United Workers Party
- Romania, Socialist Republic of (1947–1989) - Romanian Communist Party
- Republic of San Marino (1945–1957) - Sammarinese Communist Party
- Soviet Union (1922–1991) - Communist Party of the Soviet Union
- Spain (1936–1939) - Communist Party of Spain and POUM (part of the ruling coalition, Frente Popular).
- Ukrainian SSR (1918-1991) - Communist Party (Bolshevik) of Ukraine, regional section (originally as Social-Democracy of Ukraine) of the Russian Communist Party (bolshevik), banned in 1991
- Yemen, People's Democratic Republic of (1969–1990) - Yemeni Socialist Party
- Yugoslavia, Socialist Federal Republic of (1943–1990) - League of Communists of Yugoslavia
Read more about this topic: Communist Parties In The United States
Famous quotes containing the word ruling:
“Let the ruling classes tremble at a communist revolution. The proletarians have nothing to lose but their chains. They have a world to win. Workingmen of all countries, unite!”
—Karl Marx (18181883)
“In every one of us there are two ruling and directing principles, whose guidance we follow wherever they may lead; the one being an innate desire of pleasure; the other, an acquired judgment which aspires after excellence.”
—Socrates (469399 B.C.)