| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2004 | 3,597,333 | 3,630,973 | 7,228,306 | ||
| Cabo Verde | 2004 | 217,725 | 233,889 | 451,614 | ||
| Gambia, The | 2004 | 720,265 | 734,032 | 1,454,297 | ||
| Ghana | 2004 | 9,886,830 | 10,100,514 | 19,987,344 | ||
| Guinea | 2004 | 4,311,191 | 4,328,650 | 8,639,841 | ||
| Cote d'Ivoire | 2004 | 9,087,547 | 8,802,398 | 17,889,945 | ||
| Liberia | 2004 | 1,337,285 | 1,349,778 | 2,687,063 | ||
| Mali | 2004 | 5,673,931 | 5,930,980 | 11,604,911 | ||
| Mauritania | 2004 | 1,285,658 | 1,387,925 | 2,673,583 | ||
| Niger | 2004 | 5,873,916 | 5,853,187 | 11,727,103 | ||
| Nigeria | 2004 | 67,391,636 | 64,685,339 | 132,076,975 | ||
| Guinea-Bissau | 2004 | 648,302 | 690,120 | 1,338,422 | ||
| Senegal | 2004 | 4,892,978 | 5,228,358 | 10,121,336 | ||
| Saint Helena | 2004 | 3,723 | 3,618 | 7,341 | ||
| Sierra Leone | 2004 | 2,142,817 | 2,288,414 | 4,431,231 | ||
| Togo | 2004 | 2,668,585 | 2,714,214 | 5,382,799 | ||
| Burkina Faso | 2004 | 6,404,145 | 6,497,344 | 12,901,489 |