2. Joseph Stalin
Researchers estimated that more than 3 million people died under Stalin’s cruel regime. After the dissolution of USSR, many official records became available; it was revealed that 800,000 people were executed for political and criminal offenses, 1.7 million died in the Gulags and nearly 400,000 died during various forced resettlements. In addition, 6 million people died as the result of famine.
