Benjamin Valentino claims that between 21 and 70 million deaths are attributable to the Communist regimes in the Soviet Union, the People's Republic of China and Democratic Kampuchea alone.
Benjamin Valentino宣称2100万到7000万人的死亡归咎于苏联的共产主义统治，中华人民共和国和民主柬埔寨则另计其数。