| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2019 | 5,666,329 | 5,601,516 | 11,267,845 | ||
| Cabo Verde | 2019 | 274,071 | 290,777 | 564,848 | ||
| Gambia, The | 2019 | 1,025,337 | 1,052,063 | 2,077,400 | ||
| Ghana | 2019 | 13,736,261 | 14,151,299 | 27,887,560 | ||
| Guinea | 2019 | 6,327,258 | 6,317,228 | 12,644,486 | ||
| Cote d'Ivoire | 2019 | 12,338,068 | 12,086,582 | 24,424,650 | ||
| Liberia | 2019 | 2,229,014 | 2,248,054 | 4,477,068 | ||
| Mali | 2019 | 8,899,875 | 9,416,501 | 18,316,376 | ||
| Mauritania | 2019 | 1,832,929 | 1,978,852 | 3,811,781 | ||
| Niger | 2019 | 9,866,870 | 9,806,875 | 19,673,745 | ||
| Nigeria | 2019 | 98,465,100 | 94,751,376 | 193,216,476 | ||
| Guinea-Bissau | 2019 | 881,921 | 922,047 | 1,803,968 | ||
| Senegal | 2019 | 7,198,281 | 7,700,980 | 14,899,261 | ||
| Saint Helena | 2019 | 3,913 | 3,866 | 7,779 | ||
| Sierra Leone | 2019 | 3,034,963 | 3,213,197 | 6,248,160 | ||
| Togo | 2019 | 4,029,167 | 4,099,840 | 8,129,007 | ||
| Burkina Faso | 2019 | 10,217,576 | 10,311,305 | 20,528,881 |