Lagos – Nigeria (21,029,000)
Cairo – Egypt (7,764,700)
Kinshasa – Congo Democratic Republic (6,301,100)
Alexandria – Egypt (3,806,300)
Casablanca – Morocco (3,344,300)
Abidjan – Cote D’Ivoire (3,310,500)
Kano – Nigeria (3,248,700)
Ibadan – Nigeria (3,078,400)
Cape Town – South Africa (2,686,000)
Addis Ababa – Ethiopia (2,638,500)
Giza – Egypt (2,541,000)
Nairobi – Kenya (2,510,800)
Dar Es Salaam – Tanzania (2,456,100)
Dakar – Senegal (2,384,000)
Durban – South Africa (2,354,900)
Luanda – Angola (2,193,400)
Tripoli – Libya (1,890,600)
Harare – Zimbabwe (1,864,400)
Algiers – Algeria (1,696,000)
Omdurman – Sudan (1,670,000)
Johannesburg – South Africa (1,646,400)
Accra – Ghana (1,605,400)
Rabat – Morocco (1,600,700)
Conakry – Guinea (1,595,800)
Kaduna – Nigeria (1,458,900)
Khartoum -Sudan (1,244,500)
Douala – Cameroon (1,239,100)
Pretoria – South Africa (1,228,200)
Soweto – South Africa (1,221,100)
Lusaka – Zambia (1,218,200)
Mogadishu – Somalia (1,183,100)
Brazzaville – Congo (1,133,800)
Yaounde – Cameroon (1,122,500)
Maputo – Mozambique (1,088,100)
Lubumbashi – Congo Democratic Republic (1,074,600)
Port Harcourt – Nigeria (1,053,900)
Benin – Nigeria (1,051,600)
Freetown – Sierra Leone (1,032,100)
Kigali – Rwanda (1,004,000)
Subra al- Haymah – Egypt (995,800)
Maiduguri – Nigeria (971, 700)
Kampala – Uganda (953,400)
Bulawayo – Zimbabwe (927,600)
Fez – Morocco (921,200)
Bamako – Mali (906,700)
Mbuji – Mayi – Congo Democratic Republic (905,800)
Zaria – Nigeria (898,900)
Antananarivo – Madagascar (875,200)
49.Ouagadougou – Burkina Faso (839,800)
Port Elizabeth – South Africa (833,900)
http://howafrica.com/50-africas-most-populated-cities/