| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2008 | 4,102,056 | 4,110,042 | 8,212,098 | ||
| Cabo Verde | 2008 | 233,198 | 249,530 | 482,728 | ||
| Gambia, The | 2008 | 798,853 | 816,123 | 1,614,976 | ||
| Ghana | 2008 | 10,786,990 | 11,056,011 | 21,843,001 | ||
| Guinea | 2008 | 4,726,117 | 4,729,855 | 9,455,972 | ||
| Cote d'Ivoire | 2008 | 9,920,679 | 9,632,933 | 19,553,612 | ||
| Liberia | 2008 | 1,651,940 | 1,660,276 | 3,312,216 | ||
| Mali | 2008 | 6,394,679 | 6,718,417 | 13,113,096 | ||
| Mauritania | 2008 | 1,420,673 | 1,534,324 | 2,954,997 | ||
| Niger | 2008 | 6,800,616 | 6,763,088 | 13,563,704 | ||
| Nigeria | 2008 | 74,811,822 | 71,831,515 | 146,643,337 | ||
| Guinea-Bissau | 2008 | 705,435 | 747,102 | 1,452,537 | ||
| Senegal | 2008 | 5,444,780 | 5,828,422 | 11,273,202 | ||
| Saint Helena | 2008 | 3,807 | 3,708 | 7,515 | ||
| Sierra Leone | 2008 | 2,342,531 | 2,496,460 | 4,838,991 | ||
| Togo | 2008 | 2,975,575 | 3,030,159 | 6,005,734 | ||
| Burkina Faso | 2008 | 7,268,392 | 7,361,445 | 14,629,837 |