Rank
|
Years
|
Leader
|
Amount
|
Place
|
1
|
1206-1405
|
Genghis Khan, Kublai Khan, Timur
|
20,000,000-40,000,000
|
Mongol Empire, Timurid Empire
|
2
|
1946-1976
|
Mao Zedong
|
13,597,000-70,000,000
|
China
|
3
|
1934-1945
|
Adolf Hitler
|
13,518,250-25,495,692
|
Nazi Germany
|
4
|
1928-1946
|
Chiang Kai-Shek
|
5,965,000-18,522,000
|
Republic of China
|
5
|
1922-1953
|
Joseph Stalin
|
3,300,000-15,000,000
|
Soviet Union
|
6
|
1895-1945
|
Emperor Hirohito
|
3,000,000-14,000,000
|
Japan, east and southeast Asia, Oceania
|
7
|
1885-1908
|
King Leopold II
|
3,000,000-13,000,000
|
Congo Free State
|
8
|
1829-1842
|
Queen Ranavalona I
|
2,500,000
|
Madagascar
|
9
|
1913-1922
|
Young Turks
|
1,489,000-2,810,000
|
Ottoman Empire
|
10
|
1989-2019
|
Omar al-Bashir
|
1,386,734-3,400,000
|
Sudan
|
|
Rank
|
Years
|
Leader
|
Amount
|
Place
|
11
|
1975-1979
|
Pol Pot
|
1,063,000-2,530,000
|
Cambodia
|
12
|
1948-
|
Kim Il-sung, Kim Jong-il, Kim Jong-un
|
710,000-3,500,000
|
North Korea
|
13
|
1941-1945
|
Ante Pavelić, Nikola Mandić
|
300,000-1,088,000
|
Croatia
|
14
|
1965-1998
|
Suharto
|
240,500-3,418,000
|
Indonesia
|
15
|
1977-1987
|
Mengistu Haile Mariam
|
225,000-2,000,000
|
Ethiopia
|
16
|
1979-2003
|
Saddam Hussein
|
200,000-2,000,000
|
Iraq
|
17
|
1939-1975
|
Francisco Franco
|
195,000-265,000
|
Spain, Austria, Russia
|
18
|
1922-1945
|
Benito Mussolini
|
158,000-628,000
|
Italy, Libya, Ethiopia, Yugoslavia, Greece
|
19
|
1954-2000
|
Ho Chi Minh, Viet Cong
|
145,225-1,082,000
|
Vietnam
|
20
|
1971-1979
|
Idi Amin
|
100,000-500,000
|
Uganda
|
21
|
2011-
|
Bashar al-Assad
|
100,000
|
Syria
|
|