I visited Vietnam over the summer and I believe they are still under Communism. I dont know much about it though.
its the philosophical, social, political and economic ideology and movement whose ultimate goal is the establishment of the communist society, 
Are there a lot of countries under communism?
Communism
In political and social sciences, communism (from Latin "", "common, universal") is the philosophical, social, political, and economic ideology and movement whose ultimate goal is the establishment of the communist society, which is a socioeconomic order structured upon the common ownership of the means of production and the absence of social classes, money, and the state.
Communism includes a variety of schools of thought, which broadly include Marxism and anarchism (anarcho-communism), as well as the political
Communist society
In Marxist thought, communist society or the communist system is the type of society and economic system postulated to emerge from technological advances in the productive forces, representing the ultimate goal of the political ideology of communism. A communist society is characterized by common ownership of the means of production with free access to the articles of consumption and is classless and stateless, implying the end of the exploitation of labour.
Communism is a specific stage of socioeconomic development predicated upon a superabundance of material wealth, which is postulated to