Religion in Kenya Religion in Kenya The predominant religion in Kenya is Christianity, which is adhered to by an estimated 84.8% of the total population. Islam is the second largest religion in Kenya, practiced by approximately 9.7 to 11.1 percent of Kenyans. Other faiths practiced in Kenya are Baha'i, Buddhism, Hinduism and traditional religions. Roman Catholicism was first brought to Kenya in the fifteenth century by the Portuguese, and was spread rapidly during the 20th century by missionaries. Today, the main Christian denominations in Kenya are Protestant confessions, which make up about 47.4% of the country's religious composition. They include the Anglican Church
Religion in Tanzania Religion in Tanzania Current statistics on religion in Tanzania are limited because religious questions have been eliminated from government census reports since 1967. A 2014 survey from the Pew Research Center found that 61% of the population are Christian, 35% are Muslim, 2% practice traditional religions and 1% are unaffiliated. For many years estimates have been repeated that about a third of the population each follows Islam, Christianity and traditional religions. Religion-related statistics for Tanzania have been regarded as notoriously biased and unreliable. About 98 percent of the population in Zanzibar is Muslim. There are also active communities of other