As of 2014, there are five communist countries: China, Cuba, North Korea, Vietnam and Laos. Former communist countries include Angola, Bulgaria, Cambodia, Czechoslovakia, Hungary, Romania, Soviet Union and Yugoslavia. Communist countries could be found throughout the world during the era of the Soviet Union.
- China:China became a communist nation in 1949 when Mao Zedong proclaimed China as the People's Republic of China.
- Cuba: Fidel Castro took over the government of Cuba in 1959. Two years later, the country was communist and had strong ties to the Soviet Union.
- North Korea: Korea was divided into a Soviet north and American south after World War II and became a communist country in 1948.
- Vietnam: Vietnam was separated into communist North Vietnam and democratic South Vietnam in 1954. After the Vietnam War in 1976, the two were unified into communist Vietnam.
- Laos: The Lao People's Democratic Republic became a communist country in 1975.