| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 1991 | 2,271,423 | 2,372,424 | 4,643,847 | ||
| Cabo Verde | 1991 | 159,463 | 174,891 | 334,354 | ||
| Gambia, The | 1991 | 471,356 | 476,918 | 948,274 | ||
| Ghana | 1991 | 7,643,577 | 7,676,935 | 15,320,512 | ||
| Guinea | 1991 | 3,115,843 | 3,178,786 | 6,294,629 | ||
| Cote d'Ivoire | 1991 | 6,402,218 | 6,126,880 | 12,529,098 | ||
| Liberia | 1991 | 891,919 | 866,918 | 1,758,837 | ||
| Mali | 1991 | 4,046,395 | 4,226,900 | 8,273,295 | ||
| Mauritania | 1991 | 915,101 | 981,051 | 1,896,152 | ||
| Niger | 1991 | 3,794,185 | 3,866,455 | 7,660,640 | ||
| Nigeria | 1991 | 48,681,728 | 46,487,937 | 95,169,665 | ||
| Guinea-Bissau | 1991 | 472,697 | 507,885 | 980,582 | ||
| Senegal | 1991 | 3,527,976 | 3,701,263 | 7,229,239 | ||
| Saint Helena | 1991 | 3,382 | 3,260 | 6,642 | ||
| Sierra Leone | 1991 | 2,026,096 | 2,130,699 | 4,156,795 | ||
| Togo | 1991 | 1,834,673 | 1,853,995 | 3,688,668 | ||
| Burkina Faso | 1991 | 3,973,177 | 4,263,262 | 8,236,439 |