| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2027 | 6,966,865 | 6,850,282 | 13,817,147 | ||
| Cabo Verde | 2027 | 302,407 | 319,732 | 622,139 | ||
| Gambia, The | 2027 | 1,178,703 | 1,211,847 | 2,390,550 | ||
| Ghana | 2027 | 16,269,778 | 16,805,197 | 33,074,975 | ||
| Guinea | 2027 | 7,771,440 | 7,751,298 | 15,522,738 | ||
| Cote d'Ivoire | 2027 | 14,037,064 | 13,810,877 | 27,847,941 | ||
| Liberia | 2027 | 2,666,273 | 2,694,224 | 5,360,497 | ||
| Mali | 2027 | 11,128,078 | 11,797,599 | 22,925,677 | ||
| Mauritania | 2027 | 2,154,385 | 2,324,819 | 4,479,204 | ||
| Niger | 2027 | 12,599,796 | 12,546,282 | 25,146,078 | ||
| Nigeria | 2027 | 119,019,484 | 114,760,763 | 233,780,247 | ||
| Guinea-Bissau | 2027 | 1,016,862 | 1,055,348 | 2,072,210 | ||
| Senegal | 2027 | 8,625,802 | 9,204,670 | 17,830,472 | ||
| Saint Helena | 2027 | 3,889 | 3,925 | 7,814 | ||
| Sierra Leone | 2027 | 3,721,162 | 3,913,358 | 7,634,520 | ||
| Togo | 2027 | 4,919,454 | 5,005,403 | 9,924,857 | ||
| Burkina Faso | 2027 | 12,901,048 | 13,004,771 | 25,905,819 |