It is apparently most illegal in Indonesia, where there are strongly-enforced laws. In the United States, it seems the Communist Party might be technically ban

It is apparently most illegal in Indonesia, where there are strongly-enforced laws. In the United States, it seems the Communist Party might be technically banned (although it exists): https://en.wikipedia.org/wiki/Communist_Control_Act_of_1954 https://en.wikipedia.org/wiki/Communist_Control_Act_of_1954 Poland seems to ban "promotion of .. communist .. ideology", and Romania seems to ban "totalitarian .. actions of a communist .. nature". Countries that seem to ban communist symbols include Ukraine, Lithuania, and Latvia. Countries that previously passed similar laws include Moldova, Czechoslovakia (1991), Poland, and Hungary. Apparently, some countries like Albania, Czechia, Germany, Italy, and Slovakia ban "totalitarian ideology". There are probably more bans worldwide.