Answer:
CountryTotal mobilized forcesKilled or died1WoundedPrisoners or missingTotal casualtiesAllied Powers:Russia12,000,0001,700,0004,950,0002,500,0009,150,000British Empire8, 904,467908,3712,090,212191,6523,190,235France28,410,0001,357,8004,266,000537,0006,160,800Italy5,615,000650,000947,000600,0002,197,000United States4,734,991116,516204,002------320,518Japan800,00030090731210Romania750,000335,706120,00080,000535,706Serbia707,34345,000133,148152,958331,106
Canada3
424,000
59,694
172,000
3,8004
235,494
Belgium267,00013,71644,68634,65993,061Greece230,0005,00021,0001,00027,000Portugal100,0007,22213,75112,31833,291Montenegro50,0003,00010,0007,00020,000
TOTALS
42,612,810
5,211,809
13,003,004
4,124,890
22,165,291
Central Powers:Germany11,000,0001,773,7004,216,0581,152,8007,142,558Austria-Hungary7,800,0001,200,0003,620,0002,200,0007,020,000Turkey2,850,000325,000400,000250,000975,000Bulgaria1,200,00087,500152,39027,029266,919TOTALS22,850,0003,386,2008,388,4483,629,82915,404,477
GRAND TOTALS
65,462,810
8,598,009
21,391,452