Top 12Updated 2026年3月3日
Top 12 Largest Wars in Human History
This ranking lists the largest military conflicts in human history based on total troop mobilization (including regular forces and militia), combined with war duration, geographical scope, and historical impact. Data sourced from official archives and authoritative historical research.
Current #1
World War II
| Rank | War Name | Total Troops (millions) | Duration / Major Belligerents |
|---|---|---|---|
1 World War II | 1.05 | 1939-1945 / Allies vs Axis Powers | |
2 World War I | 0.65 | 1914-1918 / Allied Powers vs Central Powers | |
3 Napoleonic Wars | 0.6 | 1803-1815 / French Empire vs Coalitions | |
| 4 | 4 Eastern Front (WWII) | 0.4 | 1941-1945 / Soviet Union vs Nazi Germany |
| 5 | 5 American Civil War | 0.35 | 1861-1865 / Union vs Confederacy |
| 6 | 6 Franco-Prussian War | 0.3 | 1870-1871 / Prussia/German States vs Second French Empire |
| 7 | 7 Korean War | 0.25 | 1950-1953 / UN/South Korea vs China/North Korea |
| 8 | 8 Vietnam War | 0.22 | 1955-1975 / USA/South Vietnam vs North Vietnam/Viet Cong |
| 9 | 9 Russian Civil War | 0.2 | 1917-1922 / Red Army vs White Army & Interventionists |
| 10 | 10 Second Sino-Japanese War | 0.18 | 1937-1945 / Republic of China vs Empire of Japan |
| 11 | 11 Thirty Years' War | 0.15 | 1618-1648 / Protestant Union vs Catholic League/Habsburgs |
| 12 | 12 Crimean War | 0.12 | 1853-1856 / Britain/France/Ottoman vs Russian Empire |
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CategoryHistory & Civilization