Population of Kenya

Population - April 2025 57,043,705 #26 worldwide Bandera of Kenya
Annual Growth 1,127,896 #17 worldwide
Median Age 20.1 years #195 worldwide
Life Expectancy 64.3 years #210 worldwide
Density 98.7 p/km² #119 worldwide

As of April 2025, the population of Kenya is 57 million. The number of inhabitants has increased by 1 million in the last year, representing a growth of 1.99%. The median age of the population has increased in recent years, rising from 17.9 years in 2015 to 20.1 years in 2025. Currently, life expectancy at birth is 64.3 years and population density is 98.7 inhabitants per square kilometer.

Population Growth

The population growth rate of Kenya peaked in 1965, reaching around 4.05% annually, but has since declined to approximately 1.97% in 2025. The annual increase in the number of people has also decreased from a peak of around 1.18 million in 2008 to nearly 1.13 million in 2025.

Life Expectancy

In Kenya, life expectancy at birth has been increasing, with the indicator rising from 57.3 years in 2005 to 64.3 years in 2025, representing an increase de 7 years over the past 2 decades.

Most populous cities in Kenya

Kenya has several cities considered medium-sized by their number of inhabitants, but there are also some large ones. The most populous city is Nairobi, Nairobi County, con una diferencia significativa sobre las demás, alcanzando approximately 4.4 million inhabitants. It is followed by Kakamega, Kakamega County with 1.9 million and Mombasa, Mombasa County with 1.2 million.

These are the 20 most populous cities in Kenya:

# City Population
1 Nairobi, Nairobi County 4,397,073
2 Kakamega, Kakamega County 1,867,579
3 Mombasa, Mombasa County 1,208,333
4 Nakuru, Nakuru County 570,674
5 Ruiru, Kiambu County 490,120
6 Eldoret, Uasin Gishu County 475,716
7 Kisumu, Kisumu County 397,957
8 Kikuyu, Kiambu County 323,881
9 Thika, Nairobi County 251,407
10 Naivasha, Nakuru County 198,444
# City Population
11 Karuri, Murang'A 194,342
12 Karuri, Kiambu County 194,342
13 Ongata Rongai, Kajiado County 172,569
14 Lang'ata, Nairobi County 172,569
15 Garissa, Garissa County 163,399
16 Kitale, Trans Nzoia 162,174
17 Limuru, Kiambu County 159,314
18 Juja, Kiambu County 156,041
19 Kitengela, Kajiado County 154,436
20 Kiambu, Kiambu County 147,870