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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.

Country Total
mobilized forces
Killed or died1 Wounded Prisoners
or missing
Total casualties
Austria-Hungary 7,800,000 1,200,000 3,620,000 2,200,000 7,020,000
Belgium 267,000 13,716 44,686 34,659 93,061
British Empire2 8,904,467 908,371 2,090,212 191,652 3,190,235
Bulgaria 1,200,000 87,500 152,390 27,029 266,919
France2 8,410,000 1,357,800 4,266,000 537,000 6,160,800
Germany 11,000,000 1,773,700 4,216,058 1,152,800 7,142,558
Greece 230,000 5,000 21,000 1,000 27,000
Italy 5,615,000 650,000 947,000 600,000 2,197,000
Japan 800,000 300 907 3 1,210
Montenegro 50,000 3,000 10,000 7,000 20,000
Portugal 100,000 7,222 13,751 12,318 33,291
Romania 750,000 335,706 120,000 80,000 535,706
Russia 12,000,000 1,700,000 4,950,000 2,500,000 9,150,000
Serbia 707,343 45,000 133,148 152,958 331,106
Turkey 2,850,000 325,000 400,000 250,000 975,000
United States 4,734,991 116,516 204,002 320,518
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.

Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.

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