| Year | Rank | Population | Answer | % Correct |
|---|---|---|---|---|
| 2. | 35.75M | Lagos | 100%
| |
| 2. | 44.87M | Lagos | 100%
| |
| 2. | 54.27M | Lagos | 100%
| |
| 2. | 63.22M | Lagos | 100%
| |
| 3. | 72.51M | Lagos | 100%
| |
| 4. | 82M | Lagos | 100%
| |
| 7. | 15.97M | Addis Ababa | 94%
| |
| 7. | 23.52M | Addis Ababa | 94%
| |
| 7. | 35.01M | Addis Ababa | 94%
| |
| 5. | 51.19M | Addis Ababa | 94%
| |
| 5. | 65.89M | Addis Ababa | 94%
| |
| 5. | 81M | Addis Ababa | 94%
| |
| 2050 | 1. | 46.47M | Kinshasa | 94%
|
| 2060 | 1. | 63.39M | Kinshasa | 94%
|
| 2070 | 1. | 83.11M | Kinshasa | 94%
|
| 2080 | 1. | 99.56M | Kinshasa | 94%
|
| 2090 | 1. | 110.46M | Kinshasa | 94%
|
| 2100 | 1. | 116.75M | Kinshasa | 94%
|
| 8. | 14.35M | Nairobi | 94%
| |
| 8. | 18.66M | Nairobi | 94%
| |
| 8. | 23.21M | Nairobi | 94%
| |
| 8. | 27.32M | Nairobi | 94%
| |
| 8. | 31.28M | Nairobi | 94%
| |
| 9. | 34.91M | Nairobi | 94%
| |
| 3. | 33.8M | Cairo | 90%
| |
| 4. | 35.33M | Cairo | 90%
| |
| 6. | 38.93M | Cairo | 90%
| |
| 7. | 40.64M | Cairo | 90%
| |
| 7. | 41.76M | Cairo | 90%
| |
| 7. | 42.2M | Cairo | 90%
| |
| 5. | 25.04M | Dar es Salaam | 84%
| |
| 5. | 32.33M | Dar es Salaam | 84%
| |
| 4. | 46.84M | Dar es Salaam | 84%
| |
| 4. | 57.89M | Dar es Salaam | 84%
| |
| 4. | 70.09M | Dar es Salaam | 84%
| |
| 3. | 82.96M | Dar es Salaam | 84%
| |
| 4. | 29.11M | Luanda | 74%
| |
| 3. | 39.16M | Luanda | 74%
| |
| 3. | 50.85M | Luanda | 74%
| |
| 3. | 62.99M | Luanda | 74%
| |
| 2. | 76.13M | Luanda | 74%
| |
| 2. | 89.51M | Luanda | 74%
| |
| 6. | 23.7M | Kampala | 71%
| |
| 6. | 32.4M | Kampala | 71%
| |
| 5. | 40.89M | Kampala | 71%
| |
| 6. | 48.87M | Kampala | 71%
| |
| 6. | 56.59M | Kampala | 71%
| |
| 6. | 63.4M | Kampala | 71%
| |
| 10. | 9.63M | Kano | 65%
| |
| 10. | 12.08M | Kano | 65%
| |
| 9. | 13.07M | Abidjan | 58%
| |
| 9. | 16.77M | Abidjan | 58%
| |
| 9. | 21.05M | Abidjan | 58%
| |
| 9. | 25.45M | Abidjan | 58%
| |
| 9. | 30.24M | Abidjan | 58%
| |
| 8. | 35.21M | Abidjan | 58%
| |
| 10. | 18.39M | Mbuji-Mayi | 29%
| |
| 10. | 22.25M | Mbuji-Mayi | 29%
| |
| 10. | 26.11M | Mbuji-Mayi | 29%
| |
| 10. | 14.89M | Ouagadougou | 23%
|