Bloodiest Wars of the 20th Century

Bloodiest Wars of the 20th century
Source: Wars
Death toll alongside

1. Second World War - 20 million +
2. First World War - 8.5 million
3. Korean War - 1.2 million
4. Chinese Civil War (1945-49) - 1.2 million
5. Vietnam War - 1.2 million
6. Iran-Iraq War - 0.85 million
7. Russian Civil War - 0.8 million
8. Chinese Civil War (1927-1937) - 0.4 million
9. French Indochina 0.385 million
10. Mexican Revolution (1911-20) - 0.2 million
10(tied) Spanish Civil War - 0.2 million
12. French-Algerian War - 0.16 million
13. Afghanistan (1980-1989) - 0.15 million
14. Russo-Japanese War - 0.13 million
15. Riffian War - 0.1 million
15. First Sudanese Civil War - 0.1 million
15. Russo-Polish War - 0.1 million
15. Biafran War - 0.1 million
19 - Chaco War - 0.09 million
20. Abyssinian War - 0.075 million