| population | |
| Adamaoua Region | 495185 |
| Centre Region | 2672533 |
| East Region | 836906 |
| Far North Region | 1855695 |
| population | |
| Littoral Region | 2202340 |
| North Region | 2442578 |
| North-West Region | 1728953 |
| South Region | 634655 |
| population | |
| South-West Region | 1316079 |
| West Region | 1339791 |
