Littoral
Population: 679,012
Atlantique
Population: 655,965
Population: 253,262
Alibori
Population: 248,621
Donga
Population: 237,040
Borgou
Population: 221,108
Population: 206,667
Population: 177,683
Couffo
Population: 170,069
Population: 168,882
Atacora
Population: 168,006
Zou
Population: 149,271
Population: 134,704
Oueme
Population: 133,168
Population: 132,401
Population: 130,770
Population: 128,050
Population: 127,512
Population: 127,249
Collines
Population: 124,431
Population: 123,542