Kikuyu was the largest ethnic group in Kenya, accounting for ** percent of the country's population in 2019. Native to Central Kenya, the Kikuyu constitute a Bantu group with more than eight million people. The groups Luhya and Kalenjin followed, with respective shares of **** percent and **** percent of the population. Overall, Kenya has more than 40 ethnic groups.

Kenya had a Muslim population of roughly 5.6 million people, according to the last country census conducted in 2019. Nearly 50 percent of individuals adhering to Islam lived in the Northern-East counties of Mandera (856.5 thousand people), Garissa (815.8 thousand people), and Wajir (767.3 thousand people). Overall, around 10 percent of Kenya's population identified as Muslim.

Kenya had a population of over 15.7 million Protestant Christians, according to the last country census conducted in 2019. This was the largest population group among all other religions. Some 9.7 million Kenyans identified as Catholic, while 9.6 million followed Evangelical Churches. The Muslim population amounted to roughly 5.2 million people. Overall, around 85 percent of Kenya's population adhered to Christianity.

This statistic shows the total population of Kenya from 2013 to 2023 by gender. In 2023, Kenya's female population amounted to approximately 27.82 million, while the male population amounted to approximately 27.52 million inhabitants.

Kenya had a Catholic population of roughly 9.7 million people, according to the last country census conducted in 2019. Around one million Catholics lived in the capital Nairobi, the largest amount among all Kenyan counties. Nearly 590,000 people living in Kiambu adhered to Catholicism, while half-million dwelled in Machakos.

As of 2020, around 86 thousand people faced imprisonment in Kenya. The country's prison population strongly decreased from some 219 thousand in the preceding year. The figures consider convicted individuals, those committed for civil debt, and remand prisoners. Unconvicted individuals constituted the largest amount of prisoners in Kenya. According to the source, the decline in the total prison population was attributed to sentence reviews of offenders serving death sentences and life imprisonment. Also, the government reviewed cases of remandees to alternative non-custodial sentencing due to the coronavirus (COVID-19) pandemic.

Nigeria has the largest population in Africa. As of 2024, the country counted over 232.6 million individuals, whereas Ethiopia, which ranked second, has around 132 million inhabitants. Egypt registered the largest population in North Africa, reaching nearly 116 million people. In terms of inhabitants per square kilometer, Nigeria only ranks seventh, while Mauritius has the highest population density on the whole African continent. The fastest-growing world region Africa is the second most populous continent in the world, after Asia. Nevertheless, Africa records the highest growth rate worldwide, with figures rising by over two percent every year. In some countries, such as Niger, the Democratic Republic of Congo, and Chad, the population increase peaks at over three percent. With so many births, Africa is also the youngest continent in the world. However, this coincides with a low life expectancy. African cities on the rise The last decades have seen high urbanization rates in Asia, mainly in China and India. However, African cities are currently growing at larger rates. Indeed, most of the fastest-growing cities in the world are located in Sub-Saharan Africa. Gwagwalada, in Nigeria, and Kabinda, in the Democratic Republic of the Congo, ranked first worldwide. By 2035, instead, Africa's fastest-growing cities are forecast to be Bujumbura, in Burundi, and Zinder, Nigeria.

Ethiopia had the highest number of cattle in Africa as of 2023, nearly ** million heads. United Republic of Tanzania possessed the second-highest bovine animal stock on the continent, with about ** million heads. In 2022, Africa had over *** million heads of cattle, one of the major species raised for livestock farming on the continent.

Life expectancy at birth in Kenya was registered at 66.5 years for women and 60.6 years for men in 2019. In some Kenyan counties, the estimate surpassed the average. In Nyeri, for instance, women lived longer, some 75.8 years, and men had the highest life expectancy in the same country, at 66.4 years. On the other hand, Tana River registered the lowest expectancy for women (58.6 years) and Migori and Homa Bay for men (50.5 years). In general, women lived longer than men overall in Kenya, with Isiolo county as the only exception.