| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2001 | 3,252,473 | 3,304,728 | 6,557,201 | ||
| Cabo Verde | 2001 | 205,444 | 221,485 | 426,929 | ||
| Gambia, The | 2001 | 665,295 | 676,411 | 1,341,706 | ||
| Ghana | 2001 | 9,281,814 | 9,448,049 | 18,729,863 | ||
| Guinea | 2001 | 4,033,785 | 4,062,929 | 8,096,714 | ||
| Cote d'Ivoire | 2001 | 8,492,247 | 8,212,660 | 16,704,907 | ||
| Liberia | 2001 | 1,279,680 | 1,290,091 | 2,569,771 | ||
| Mali | 2001 | 5,198,226 | 5,406,277 | 10,604,503 | ||
| Mauritania | 2001 | 1,190,976 | 1,284,808 | 2,475,784 | ||
| Niger | 2001 | 5,278,517 | 5,273,824 | 10,552,341 | ||
| Nigeria | 2001 | 62,277,063 | 59,748,407 | 122,025,470 | ||
| Guinea-Bissau | 2001 | 609,156 | 650,408 | 1,259,564 | ||
| Senegal | 2001 | 4,522,354 | 4,820,875 | 9,343,229 | ||
| Saint Helena | 2001 | 3,647 | 3,540 | 7,187 | ||
| Sierra Leone | 2001 | 1,881,151 | 2,010,528 | 3,891,679 | ||
| Togo | 2001 | 2,457,029 | 2,496,337 | 4,953,366 | ||
| Burkina Faso | 2001 | 5,635,739 | 5,873,636 | 11,509,375 |