Steven Rosefielde claims that Democratic Kampuchea was the deadliest of all Communist regimes on a per capita basis, primarily because it "lacked a viable productive core" and "failed to set boundaries on mass murder".
斯蒂芬·罗斯菲尔德声称民主柬埔寨按人均计算是所有共产主义政权中最极端的，首要原因是“缺乏切实可行的生产力核心”并且“未能对大规模杀戮设定界限”。