More than 10,000,000

Killers with a tally of more than 10,000,000 include:

Joseph Goebbels
Country: Germany
Kill tally details: Collectively responsible for the deaths of over 46 million Europeans as a result of the Second World War.
Hermann Göring
Country: Germany
Kill tally details: Collectively responsible for the deaths of over 46 million Europeans as a result of the Second World War.
Adolf Hitler
Country: Germany
Kill tally details: Directly responsible for the deaths of over 46 million Europeans as a result of the Second World War
King Léopold II of Belgium
Country: Belgium, Congo Free State
Kill tally details: Five to 15 million Congolese (the indigenous inhabitants of the Congo River basin)
Mao Tse-Tung
Country: China
Kill tally details: As many as 45 million deaths from starvation during the 'Great Leap Forward'. Tens of thousands killed and millions of lives ruined during the 'Cultural Revolution'
Joseph Stalin
Country: Former Union of Soviet Socialist Republics (USSR - Soviet Union)
Kill tally details: Approximately 20 million, including up to 14.5 million needlessly starved to death. At least one million executed for political "offences". At least 9.5 million more deported, exiled or imprisoned in work camps, with many of the estimated five million sent to the 'Gulag Archipelago' never returning alive. Other estimates place the number of deported at 28 million, including 18 million sent to the 'Gulag'
Tojo Hideki
Country: Japan
Kill tally details: At least 20 million Chinese in the Second Sino-Japanese War. About 15 million people killed in the Asia and Pacific regions during the Second World War, including over 11 million Chinese and nearly two million Japanese