| Country | Year | |||||
|---|---|---|---|---|---|---|
| Benin | 2012 | 4,637,515 | 4,619,379 | 9,256,894 | ||
| Cabo Verde | 2012 | 248,136 | 264,612 | 512,748 | ||
| Gambia, The | 2012 | 881,145 | 901,890 | 1,783,035 | ||
| Ghana | 2012 | 11,787,618 | 12,108,789 | 23,896,407 | ||
| Guinea | 2012 | 5,254,156 | 5,252,520 | 10,506,676 | ||
| Cote d'Ivoire | 2012 | 10,796,451 | 10,520,022 | 21,316,473 | ||
| Liberia | 2012 | 1,871,166 | 1,882,598 | 3,753,764 | ||
| Mali | 2012 | 7,219,850 | 7,611,884 | 14,831,734 | ||
| Mauritania | 2012 | 1,564,586 | 1,689,806 | 3,254,392 | ||
| Niger | 2012 | 7,834,721 | 7,785,561 | 15,620,282 | ||
| Nigeria | 2012 | 82,840,702 | 79,592,195 | 162,432,897 | ||
| Guinea-Bissau | 2012 | 767,382 | 808,584 | 1,575,966 | ||
| Senegal | 2012 | 6,046,599 | 6,475,949 | 12,522,548 | ||
| Saint Helena | 2012 | 3,867 | 3,781 | 7,648 | ||
| Sierra Leone | 2012 | 2,563,236 | 2,727,000 | 5,290,236 | ||
| Togo | 2012 | 3,333,903 | 3,393,088 | 6,726,991 | ||
| Burkina Faso | 2012 | 8,242,137 | 8,335,109 | 16,577,246 |