17 cities
| | Country | Capital | Population ↓ |
|---|---|---|---|
| Nigeria | Abuja | 4,209,940 | |
| Senegal | Dakar | 3,658,640 | |
| Burkina Faso | Ouagadougou | 3,520,820 | |
| Mali | Bamako | 3,180,340 | |
| Ghana | Accra | 2,788,380 | |
| Guinea | Conakry | 2,251,590 | |
| Togo | Lome | 2,108,740 | |
| Liberia | Monrovia | 1,794,650 | |
| Mauritania | Nouakchott | 1,612,940 | |
| Niger | Niamey | 1,561,490 | |
| Sierra Leone | Freetown | 1,387,360 | |
| Sierra Leone | Freetown | 1,387,360 | |
| Guinea-Bissau | Bissau | 709,092 | |
| Gambia | Banjul | 510,303 | |
| Benin | Porto-Novo | 234,168 | |
| Ivory Coast | Yamoussoukro | 194,530 | |
| Cape Verde | Praia | 113,364 |
58 cities
51 cities
53 cities
41 cities
15 cities
27 cities