| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2016 | 5,211,403 | 5,166,650 | 10,378,053 | ||
| Cabo Verde | 2016 | 262,974 | 279,573 | 542,547 | ||
| Gambia, The | 2016 | 964,226 | 988,415 | 1,952,641 | ||
| Ghana | 2016 | 12,868,369 | 13,242,560 | 26,110,929 | ||
| Guinea | 2016 | 5,845,351 | 5,838,986 | 11,684,337 | ||
| Cote d'Ivoire | 2016 | 11,681,000 | 11,419,111 | 23,100,111 | ||
| Liberia | 2016 | 2,072,992 | 2,088,754 | 4,161,746 | ||
| Mali | 2016 | 8,144,305 | 8,606,594 | 16,750,899 | ||
| Mauritania | 2016 | 1,715,842 | 1,852,821 | 3,568,663 | ||
| Niger | 2016 | 8,957,413 | 8,900,470 | 17,857,883 | ||
| Nigeria | 2016 | 91,516,908 | 88,003,286 | 179,520,194 | ||
| Guinea-Bissau | 2016 | 832,130 | 872,799 | 1,704,929 | ||
| Senegal | 2016 | 6,691,026 | 7,163,391 | 13,854,417 | ||
| Saint Helena | 2016 | 3,903 | 3,835 | 7,738 | ||
| Sierra Leone | 2016 | 2,819,344 | 2,991,772 | 5,811,116 | ||
| Togo | 2016 | 3,720,206 | 3,785,775 | 7,505,981 | ||
| Burkina Faso | 2016 | 9,328,315 | 9,421,383 | 18,749,698 |