| population | |
| Alibori | 576251 |
| Atakora Department | 586734 |
| Atlantique Department | 896901 |
| Borgou Department | 802503 |
| population | |
| Collines Department | 602066 |
| Departement de l'Oueme | 773421 |
| Donga | 384151 |
| Kouffo Department | 560182 |
| population | |
| Littoral | 690584 |
| Mono | 380078 |
| Plateau Department | 435623 |
| Zou Department | 628684 |
