| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2031 | 7,652,110 | 7,512,313 | 15,164,423 | ||
| Cabo Verde | 2031 | 314,886 | 332,842 | 647,728 | ||
| Gambia, The | 2031 | 1,250,432 | 1,286,547 | 2,536,979 | ||
| Ghana | 2031 | 17,645,300 | 18,250,787 | 35,896,087 | ||
| Guinea | 2031 | 8,572,236 | 8,547,043 | 17,119,279 | ||
| Cote d'Ivoire | 2031 | 14,850,907 | 14,638,198 | 29,489,105 | ||
| Liberia | 2031 | 2,895,215 | 2,927,721 | 5,822,936 | ||
| Mali | 2031 | 12,325,635 | 13,076,426 | 25,402,061 | ||
| Mauritania | 2031 | 2,317,919 | 2,500,992 | 4,818,911 | ||
| Niger | 2031 | 14,105,313 | 14,065,024 | 28,170,337 | ||
| Nigeria | 2031 | 130,441,174 | 125,907,192 | 256,348,366 | ||
| Guinea-Bissau | 2031 | 1,084,654 | 1,122,632 | 2,207,286 | ||
| Senegal | 2031 | 9,369,070 | 9,984,888 | 19,353,958 | ||
| Saint Helena | 2031 | 3,852 | 3,938 | 7,790 | ||
| Sierra Leone | 2031 | 4,120,833 | 4,320,578 | 8,441,411 | ||
| Togo | 2031 | 5,401,341 | 5,495,554 | 10,896,895 | ||
| Burkina Faso | 2031 | 14,411,605 | 14,528,573 | 28,940,178 |