HomeHistory & CivilizationTop 12 Largest Wars in Human History
Top 12Updated 2026年3月5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
RankWar NameTotal Troops (millions)Duration / Major Belligerents
World War II
1.051939-1945 / Allies vs Axis Powers
World War I
0.651914-1918 / Allied Powers vs Central Powers
Napoleonic Wars
0.61803-1815 / French Empire vs Coalitions
4
Eastern Front (WWII)
0.41941-1945 / Soviet Union vs Nazi Germany
5
American Civil War
0.351861-1865 / Union vs Confederacy
6
Franco-Prussian War
0.31870-1871 / Prussia/German States vs Second French Empire
7
Korean War
0.251950-1953 / UN/South Korea vs China/North Korea
8
Vietnam War
0.221955-1975 / USA/South Vietnam vs North Vietnam/Viet Cong
9
Russian Civil War
0.21917-1922 / Red Army vs White Army & Interventionists
10
Second Sino-Japanese War
0.181937-1945 / Republic of China vs Empire of Japan
11
Thirty Years' War
0.151618-1648 / Protestant Union vs Catholic League/Habsburgs
12
Crimean War
0.121853-1856 / Britain/France/Ottoman vs Russian Empire

List Stats

Views9
Items12
CategoryHistory & Civilization