Nigeria is the most populous black nation in the world. Having this in mind, some states in Nigeria tends to have more population than other states in the country. The raise in the population index of these states are caused by development, urbanization and livelihood opportunities.

The list of most populated states in Nigeria are as follows
State Population
Lagos 21,642,797
Kano 4,228,861
Ibadan 4,000,000
Abuja 3,110,000
Port Harcourt 2,550,000
Aba 2,300,300
Benin 2,147,188
Kaduna 1,900,000
Ogbomoso 1,900,000
Maiduguri 1,800,000
Ilorin 1,700,000
Jos 1,700,000
Enugu 1,500,000
Zaria 1,500,000
Abeokuta 1,000,000
Onitsha 1,000,000
Oyo 1,000,000
Sokoto 1,000,000
Warri 900,000
Okene 900,000
