Name:

Stalin, Joseph

In Power:

1922 - 1953 Russia^[2]

Murders:

40 Million^[3]

Details:

"Stalin had nearly a million of his own citizens executed, beginning in the 1930s. Millions more fell victim to forced labor, deportation, famine, massacres, and detention and interrogation by Stalin’s henchmen."^[4]

Name:

Hitler, Adolf

In Power:

1933 - 1945 Germany^{[8] [10]}

Murders:

15 - 20 Million^[9]

Details:

"...the Holocaust is thought to have consumed between five and six million Jews, with an estimated further six million other people also murdered by the Nazi regime. The new figures of 15 to 20 million, which have astonished some Holocaust historians..."^[9]

Name:

Zedong (Tse-tung), Mao

In Power:

1935 - 1976 Cambodia^[5]

Murders:

45 Million^[6]

Details:

"Mao ... responsible for the deaths of at least 45 million people between 1958 and 1962. It is not merely the extent of the catastrophe that dwarfs earlier estimates, but also the manner in which many people died: between two and three million victims were tortured to death or summarily killed, often for the slightest infraction."^[6]

Name:

Pot, Pol (Soloth, Sar)

In Power:

1960s - 1980s Cambodia^[7]

Murders:

2 Million^[7]

Details:

"...an estimated 1.5 to 2 million Cambodians died of starvation, execution, disease or overwork. One detention center, S-21, was so notorious that only seven of the roughly 20,000 people imprisoned there are known to have survived."^[7]