Population of Nairobi 2023
4,397,073
persons
| Year | Male | Female | Total | Change |
| 2009 | 1,602,104 | 1,531,414 | 3,133,518 | — |
Population of Nairobi is 4,397,073 .
Nairobi (Kenya) population data is collected from official population sources and publicly available information resources.
- Population density of Nairobi is 6,317.63 persons/sq.km²
- Male population — 1,602,104
- Female population — 1,531,414
Kenya cities by inhabitants