| Rank | City | Country | Administrative area national census authority | Agglomeration (2010; UN ) | Agglomeration (2010-01-01; citypopulation) | Image from City |
|---|---|---|---|---|---|---|
| 1 | Cairo |  Egypt | 7,786,640 (2006) Governorate | 11,001,000 | 15,200,000 |  |
| 2 | Lagos |  Nigeria | 7,937,932 (2006) The 16 local government areas of Lagos proper | 10,578,000 | 11,800,000 |  |
| 3 | Kinshasa |  Democratic Republic of the Congo | 5,528,000 (1998) Province | 8,754,000 | 8,900,000 |  |
| 4 | Johannesburg–Ekurhuleni (Greater Johannesburg) |  South Africa | 3,888,180 (2007) 2 adjoining Metropolitan municipalities | 3,670,000 | 7,550,000[3] |  |
| 5 | Khartoum–Umm Durman |  Sudan | 2,919,773 (1993) The three principal cities of the Khartoum agglomeration | 5,172,000 | 4,975,000 |  |
| 6 | Mogadishu |  Somalia | 2,855,800 (2011) | 6,346,000 | 5,845,000 |  |
| 7 | Dar es Salaam |  Tanzania | 4,364,541 (2012) Mkoa | 4,364,541 | 4,700,000 |  |
| 8 | Alexandria | Egypt | 4,110,015 (2006) Governorate | 4,387,000 | 4,575,000 |  |
| 9 | Abidjan |  Ivory Coast | 4,210,200 (2002) Département | 4,125,000 | 4,400,000 |  |
| 10 | Casablanca |  Morocco | 3,631,061 (2004) Région | 3,284,000 | 3,975,000 |  |
| 11 | Cape Town | South Africa | 3,497,097 (2007) Metropolitan municipality | 3,405,000 | 3,775,000 |  |
| 12 | Durban | South Africa | 3,468,086 (2007) Metropolitan municipality | 2,879,000 | 3,650,000 |  |
| 13 | Accra |  Ghana | 1,659,136 (2000) District (Accra Metropolitan Area) | 2,342,000 | 3,575,000 |  |
| 14 | Nairobi |  Kenya | 3,138,295 (2009) Nairobi administrative area | 3,523,000 | 3,500,000 |  |
| 15 | Kano | Nigeria | 2,153,225 (2006) The six local government areas of Kano proper | 3,395,000 | 9,383,682 |  |
| 16 | Ibadan | Nigeria | 1,338,659 (2006) The five local government areas of Ibadan proper | 2,837,000 | 3,375,000 |  |
| 17 | Algiers |  Algeria | 2,947,461 (2008) Wilaya | 2,800,000 | 3,175,000 |  |
| 18 | Addis Ababa |  Ethiopia | 2,738,248 (2007) Astedader | 2,930,000 | 3,100,000 |  |
| 19 | Luanda |  Angola | 1,823,282 (2002) Provincia | 4,772,000 | 3,100,000 |  |
| 20 | Dakar |  Senegal | 2,452,656 (2005) Région | 2,863,000 | 2,675,000 |  |
| 21 | Pretoria | South Africa | 2,345,908 (2007) Metropolitan municipality | 1,429,000 | 2,525,000 |  |
| 22 | Tripoli |  Libya | 2,222,000 (2006) Mutsarfiyah | 2,267,000 | 2,325,000 |  |
| 23 | Harare |  Zimbabwe | 1,903,510 (2002) Province | 1,632,000 | 2,300,000 |  |
| 24 | Douala |  Cameroon | 1,514,978 (2001) Wouri département | 2,125,000 | 2,200,000 |  |
| 25 | Hargeisa |  Republic of Somaliland and Somalia | 1,340,000 | 2,290,000 | ||
| 26 | Abuja | Nigeria | 1,405,201 (2006) Federal Capital Territory | 1,995,000 | Not listed |  |
| 27 | Kampala |  Uganda | 1,337,900 (2005) District | 1,598,000 | 1,970,000 |  |
| 28 | Bamako |  Mali | 1,215,335 (2005) District | 1,699,000 | 1,920,000 |  |
| 29 | Maputo |  Mozambique | 1,099,102 (2007) Province-level city | 1,655,000 | 1,910,000 |  |
| 30 | Rabat | Morocco | 627,932 (2004) Préfecture | 1,802,000 | 1,890,000 |  |
| 31 | Antananarivo |  Madagascar | 1,879,000 | 1,860,000 |  | |
| 32 | Lusaka |  Zambia | 1,084,703 (2000) District | 1,451,000 | 1,830,000 |  |
| 33 | Yaoundé | Cameroon | 1,248,235 (2001) Mfoundi département | 1,801,000 | 1,750,000 |  |
| 34 | Ouagadougou |  Burkina Faso | 1,475,223 (2006) Municipality | 1,908,000 | 1,700,000 |  |
| 35 | Conakry |  Guinea | 1,092,936 (1996) Région | 1,653,000 | 1,690,000 |  |
| 36 | Kaduna | Nigeria | 760,084 (2006) The two local government areas of Kaduna | 1,561,000 | 1,670,000 | |
| 37 | Kumasi | Ghana | 1,171,311 (2000) District (Kumasi Metropolitan Area) | 1,834,000 | 1,630,000 |  |
| 38 | Lubumbashi | Democratic Republic of the Congo | 1,543,000 | 1,570,000 |  | |
| 39 | Mbuji-Mayi | Democratic Republic of the Congo | 1,488,000 | 1,520,000 |  | |
| 40 | Brazzaville |  Republic of the Congo | 1,174,005 (2005) Province-level city | 1,323,000 | 1,430,000 |  |
| 41 | Oran | Algeria | 634,112 (1998) Commune | 770,000 | 1,260,000 |  |
| 42 | Benin | Nigeria | 1,302,000 | 1,240,000 |  | |
| 43 | Port Harcourt | Nigeria | 541,116 (2006) Local government area | 1,104,000 | 1,230,000 |  |
| 44 | Tunis |  Tunisia | 911,643 (2005) Municipality | 1,108,000 | 1,210,000 |  |
| 45 | Freetown |  Sierra Leone | 947,122 (2004) Western Area province | 901,000 | 1,200,000 |  |
| 46 | Cotonou |  Benin | 665,100 (2002) Commune | 844,000 | 1,150,000 |  |
| 47 | Vereeniging | South Africa | 800,819 (2007) District municipality | 1,143,000 | Not listed |  |
| 48 | Fès | Morocco | 977,946 (2004) Préfecture | 1,065,000 | 1,110,000 |  |
| 49 | Maiduguri | Nigeria | 521,492 (2006) Local government area | 970,000 | 1,100,000 | |
| 50 | Monrovia |  Liberia | 1,010,970 (2008) Municipality | 827,000 | 1,080,000 |  |
| 51 | Port Elizabeth | South Africa | 1,050,930 (2007) Metropolitan municipality (Nelson Mandela Bay) | 1,068,000 | 1,070,000 |  |
| 52 | Huambo | Angola | 1,034,000 | Not listed |  | |
| 53 | Ogbomosho | Nigeria | 1,032,000 | Not listed | ||
| 54 | Zaria | Nigeria | 408,198 (2006) Local government area | 963,000 | 1,030,000 |  |
| 55 | Ndjamena |  Chad | 829,000 | 1,020,000 |  |
Source:http://en.wikipedia.org/wiki/List_of_most_populous_cities_in_Africa