| Peak troops contributed | Country |
| 250,000 (during invasion) | |
| 46,000 (during invasion) | |
| 3,600 | |
| 3,200 | |
| 2,500 (200 during invasion) | |
| 2,000 (during invasion) | |
| 2,000 | |
| 1,650 | |
| 1,345 | |
| 1,300 | |
| 730 | |
| 600 | |
| 545 (500 during invasion) | |
| 485 | |
| 423 | |
| 380 | |
| 368 | |
| 302 | |
| 300 | |
| 300 | |
| 250 | |
| 240 | |
| 230 | |
| 180 | |
| 161 | |
| 150 | |
| 136 | |
| 128 | |
| | Peak troops contributed | Country |
| 120 | |
| 110 | |
| 85 | |
| 77 | |
| 61 | |
| 55 | |
| 51 | |
| 46 | |
| 40 | |
| 29 | |
| 24 | |
| 2 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| Withdrew from coalition | |
|