Christianity in Tanzania
A 2010 Pew survey found 61.4 percent of respondents to be Christian, 35.2 percent to be Muslim, 1.8 percent to follow traditional African religions, 1.4 percent to be unaffiliated, and 0.1 percent to be Hindu. These are also the figures in the CIA World Factbook though that also notes that Zanzibar is almost entirely Muslim. A 2008-09 Pew survey found that 51 percent of Tanzanian Christians described themselves as Roman Catholic, and 44 percent described themselves as Protestant. Among Protestants, Lutherans, Pentecostals, Anglicans, and adherents of African initiated churches dominate. The Orthodox Church claims an estimated 60,000 adherents in Tanzania. The United Methodist Church claims 8,371 members in Tanzania
A 2015 study estimates some 180,000 believers in Christ from a Muslim background living in the country, most of them Protestant.
