After re-simulating the world in HOI4, here are the top 20 dictators with the most kills:
1: Adolf Hitler (60M)
2: Kim Il-Sung (55M)
3: Sukarno (40M)
4: Mao Zedong (23N)
5: Vladimir Lenin (3M)
6: Joseph Stalin (1.6M)
7: Kim Jong-Un (1.3)
8: Harry Truman (900,000)
9: Franklin Roosevelt (850,000)
10; Omar Nishani (800,000) (who?)
11: Mao Zedong (650,000)
12: Theoneste Bagosora (600,000) (Marge?)
13: Saddam Hussein (510,000)
14: Vladimir Putin (480,000)
15: Nicolas Maduro (450,000)
16: Tiberius (300,000)
17: Benito Mussolini (240,000)
18; Zulfikar Butto (200,000) (Huh?)
19: Benjamin Netanyahu (190,000)
20: Ali Khamenei (180,000)