Armed forces mobilized and casualties in World War I

▪ Table

Armed forces mobilized and casualties in World War I*

country total mobilized forces killed and died wounded prisoners and missing total casualties percentage of mobilized forces in casualties

Allied and Associated Powers

Russia 12,000,000 1,700,000 4,950,000 2,500,000 9,150,000 76.3

British Empire 8,904,467 908,371 2,090,212 191,652 3,190,235 35.8

France 8,410,000 1,357,800 4,266,000 537,000 6,160,800 73.3

Italy 5,615,000 650,000 947,000 600,000 2,197,000 39.1

United States 4,355,000 116,516 204,002 4,500 323,018 8.1

Japan 800,000 300 907 3 1,210 0.2

Romania 750,000 335,706 120,000 80,000 535,706 71.4

Serbia 707,343 45,000 133,148 152,958 331,106 46.8

Belgium 267,000 13,716 44,686 34,659 93,061 34.9

Greece 230,000 5,000 21,000 1,000 27,000 11.7

Portugal 100,000 7,222 13,751 12,318 33,291 33.3

Montenegro 50,000 3,000 10,000 7,000 20,000 40.0

total 42,188,810 5,142,631 12,800,706 4,121,090 22,064,427 52.3

Central Powers

Germany 11,000,000 1,773,700 4,216,058 1,152,800 7,142,558 64.9

Austria-Hungary 7,800,000 1,200,000 3,620,000 2,200,000 7,020,000 90.0

Turkey 2,850,000 325,000 400,000 250,000 975,000 34.2

Bulgaria 1,200,000 87,500 152,390 27,029 266,919 22.2

total 22,850,000 3,386,200 8,388,448 3,629,829 15,404,477 67.4

Grand total 65,038,810 8,528,831 21,189,154 7,750,919 37,468,904 57.5

*As reported by the U.S. War Department in February 1924. U.S. casualties as amended by the Statistical Services Center, Office of the Secretary of Defense, Nov. 7, 1957.

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