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.

As of 2020, Kenya had a Christian population of roughly 44.5 million people, according to the source's projections. By 2030, this population is forecast to increase to 55.3 million individuals. The Muslim population amounted to some 5.6 million in 2020, and might grow to 7.6 million in 2030. Overall, Christianity was the most adopted religion in Kenya, as reported by the last census conducted in the country.

Christianity is the main religion adopted in Kenya. As of 2019, over 85 percent of the population identified as Christians, among which 33.4 percent were Protestants, 20.6 percent Catholics, 20.4 percent Evangelicals, and seven percent from African Instituted Churches. Furthermore, nearly 11 percent of Kenyans were Muslim.

In 2024, Ethiopia had the largest Christian population in Africa, with around 77.5 million people who identified as Christian. The second highest Christian population was in Nigeria, with 74.4 million people. Christianity has a significant presence in Africa, with its history on the continent dating back to the fourth century in Ethiopia. Furthermore, Christianity has spread throughout Africa with different denominations and traditions, taking root in various regions. Some of the largest Christian denominations in Africa include the Roman Catholic Church, the Anglican Church, and the Pentecostal and Charismatic movements.

Christianity is the major religion in numerous African countries. As of 2024, around 96 percent of the population of Zambia was Christian, representing the highest percentage on the continent. Seychelles and Rwanda followed with roughly 95 percent and 94 percent of the population being Christian, respectively. While these countries present the highest percentages, Christianity was also prevalent in many other African nations. For instance, in South Africa, Christianity was the religion of nearly 85 percent of the people, while the share corresponded to 71 percent in Ghana. Religious variations across Africa Christianity and Islam are the most practiced religions in Africa. Christian adherents are prevalent below the Sahara, while North Africa is predominantly Muslim. In 2020, Christians accounted for around 60 percent of the Sub-Saharan African population, followed by Muslims with a share of roughly 30 percent. In absolute terms, there were approximately 650 million Christians in the region, a number forecast to increase to over one billion by 2050. In contrast, Islam is most prevalent in North Africa, being the religion of over 90 percent of the population in Algeria, Morocco, Tunisia, and Libya. Christianity in the world As opposed to other religions, Christianity is widely spread across continents worldwide. In fact, Sub-Saharan Africa, Latin America and the Caribbean, and Europe each account for around 25 percent of the global Christian population. By comparison, Asia-Pacific and North America make up 13 percent and 12 percent of Christians worldwide, respectively. In several regions, Christians also suffer persecution on religious grounds. Somalia and Libya presented the most critical situation in Africa in 2021, reporting the strongest suppression of Christians worldwide just after North Korea and Afghanistan.

Population by Religious Affiliation

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 Protestant population of nearly 15.8 million people, according to the last country census conducted in 2019. Around 1.36 million Protestants lived in the capital Nairobi, the largest amount among all Kenyan counties. Nearly 882,800 people living in Kiambu adhered to Protestantism, while 715,700 Protestants dwelled in Bungoma. The religion had the highest number of followers in the country.

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.

Islam is the major religion in many African countries, especially in the north of the continent. In Comoros, Libya, Western Sahara, at least 99 percent of the population was Muslim as of 202. These were the highest percentages on the continent. However, also in many other African nations, the majority of the population was Muslim. In Egypt, for instance, Islam was the religion of 79 percent of the people. Islam and other religions in Africa Africa accounts for an important share of the world’s Muslim population. As of 2019, 16 percent of the Muslims worldwide lived in Sub-Saharan Africa, while 20 percent of them lived in the Middle East and North Africa (MENA) region. Together with Christianity, Islam is the most common religious affiliation in Africa, followed by several traditional African religions. Although to a smaller extent, numerous other religions are practiced on the continent: these include Judaism, the Baha’i Faith, Hinduism, and Buddhism. Number of Muslims worldwide Islam is one of the most widespread religions in the world. There are approximately 1.9 billion Muslims globally, with the largest Muslim communities living in the Asia-Pacific region. Specifically, Indonesia hosts the highest number of Muslims worldwide, amounting to over 200 million, followed by India, Pakistan, and Bangladesh. Islam is also present in Europe and America. The largest Islamic communities in Europe are in France (5.72 million), Germany (4.95 million), and the United Kingdom (4.13 million). In the United States, there is an estimated number of around 3.45 million Muslims.

In 2024, Nigeria had the largest Muslim population in Africa, with around 105 million people who belonged to an Islamic denomination. Egypt and Algeria followed with 90.4 million and 39.4 million Muslims, respectively. Muslims have a significant presence in Africa, with an estimated 50 percent of the continent's population identifying as Muslim. The spread of Islam in Africa began in the 7th century with the arrival of Arab traders, and it continued through Islamic scholars and missionaries.

Religious leaders in Kenya obtained the highest share of popular trust in 2019. They were mentioned by over 70 percent of Kenyans surveyed. The army, the President, and traditional leaders followed, with similar shares of popular trust. On the other hand, only 39 percent of the population interviewed had confidence in the police.