Casualty Figures for the Great War
| | Mobilized | Dead | Wounded | Missing/PoW |
| Germany | 11,000,000 | 1,773,700 | 4,216,058 | 1,152,800 |
| Russia | 12,000,000 | 1,700,000 | 4,950,000 | 2,500,000 |
| France | 8,410,000 | 1,375,800 | 4,266,000 | 537,000 |
| Austria-Hungary | 7,800,000 | 1,200,000 | 3,620,000 | 2,200,000 |
| Great Britain | 8,904,467 | 908,371 | 2,090,212 | 191,652 |
| Italy | 5,615,000 | 650,000 | 947,000 | 600,000 |
| Rumania | 750,000 | 335,706 | 120,000 | 80,000 |
| Turkey | 2,850,000 | 325,000 | 400,000 | 250,000 |
| US | 4,355,000 | 126,000 | 234,300 | 4,526 |
| Bulgaria | 1,200,000 | 87,500 | 152,390 | 27,029 |
| Serbia | 707,343 | 45,000 | 133,148 | 152,958 |
| Belgium | 267,000 | 13,716 | 44,686 | 34,659 |
| Portugal | 100,000 | 7,222 | 13,751 | 12,318 |
| Greece | 230,000 | 5,000 | 21,000 | 1,000 |
| Montenegro | 50,000 | 3,000 | 10,000 | 7,000 |
| Japan | 800,000 | 300 | 907 | 3 |