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Casualties in World War I

This page provides information about the number of troops in World War I, including how many were killed, wounded, or taken prisoner. The data is divided by each nation that participated in the war.

CountryTotal
mobilized forces
Killed or died1WoundedPrisoners
or missing
Total casualties
Austria-Hungary7,800,0001,200,0003,620,0002,200,0007,020,000
Belgium267,00013,71644,68634,65993,061
British Empire28,904,467908,3712,090,212191,6523,190,235
Bulgaria1,200,00087,500152,39027,029266,919
France28,410,0001,357,8004,266,000537,0006,160,800
Germany11,000,0001,773,7004,216,0581,152,8007,142,558
Greece230,0005,00021,0001,00027,000
Italy5,615,000650,000947,000600,0002,197,000
Japan800,00030090731,210
Montenegro50,0003,00010,0007,00020,000
Portugal100,0007,22213,75112,31833,291
Romania750,000335,706120,00080,000535,706
Russia12,000,0001,700,0004,950,0002,500,0009,150,000
Serbia707,34345,000133,148152,958331,106
Turkey2,850,000325,000400,000250,000975,000
United States4,734,991116,516204,002320,518
1. Includes deaths from all causes.
2. Official figures.
NOTE: For additional U.S. figures, see the table U.S. Casualties in the Major Wars.
Source: Department of Defense.

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