| The Worst Intentional Man-Created Atrocities of the 20th Century |
| Which War |
#Deaths |
When |
| Congo Free State |
7,500,000 |
1886-1908 |
| First World War (incl. Armenian massacres) |
15,000,000 |
1914-18 |
| Mexican Revolution |
1,000,000 |
1910-20 |
| Russian Civil War |
8,800,000 |
1918-21 |
| China: Warlord & Nationalist Era |
4,000,000 |
1917-37 |
| Spanish Civil War |
365,000 |
1936-39 |
| Second World War (Some overlap w/Stalin. Includes Sino-Japanese War and Holocaust. Doesn't incl. post-war German expulsions) |
55,000,000 |
1937/39-1945 |
| German Expulsions after WW2 |
2,100,000 |
1945-47 |
| India-Pakistan Partition |
500,000 |
1947 |
| Chinese Civil War |
2,500,000 |
1945-49 |
| USSR: Stalin's regime (incl. WW2-era atrocities) |
20,000,000 |
1924-53 |
| Korean War |
2,800,000 |
1950-53 |
| First Indochina War |
600,000 |
1945-54 |
| French-Algerian War |
675,000 |
1954-62 |
| Indonesia: Massacre of Communists |
450,000 |
1965-66 |
| Nigeria: Biafran revolt |
1,000,000 |
1967-70 |
| East Pakistan: Massacres |
1,250,000 |
1971 |
| First Sudanese Civil War |
500,000 |
1955-72 |
| 2nd Indochina War (incl. Laos & Cambodia) |
2,800,000 |
1960-75 |
| China: Mao Zedong's regime. (incl. famine) |
40,000,000 |
1949-76 |
| Cambodia: Khmer Rouge Regime |
1,650,000 |
1975-79 |
| Iran-Iraq War |
1,000,000 |
1980-88 |
| Afghanistan: Soviet War |
1,500,000 |
1980-89 |
| Ethiopian Civil Wars |
1,400,000 |
1962-92 |
| Mozambique: Civil War |
800,000 |
1976-92 |
| Rwandan Massacres |
917,000 |
1994 |
| Angolan Civil War |
600,000 |
1975-94 |
| Second Sudanese Civil War |
1,900,000 |
1983-(99) |
| Congolese Civil War |
3,300,000 |
1998-2003 |
| Decline of the Amazonian Indians |
500,000 |
(1900-99) |
| Somalia: Chaos |
350,000 |
1991-(99) |
| North Korea: Communist Regime |
400,000 |
1948-(99) |
|
Numbers in the middle column are the sum of battle deaths, civilian casualties of war,
democide, famine caused by the economic disruption, etc.
(source: Matthew White)
|
