Total population | |
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approx. 21 million (34.1%)[1] | |
Regions with significant populations | |
Eastern (coastal) part of the country | |
Religions | |
predominantly Sunni Islam with Shia and Ahmadiyya minorities |
Islam by country |
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Islam portal |
Tanzania is a Christian majority nation, with Islam being the largest minority faith in the country.[2] According to a 2020 estimate by Pew research center, Muslims represent 34.1% of the total population.[1] The faith was introduced by merchants visiting the Swahili coast, as it became connected to a larger maritime trade network dominated by Muslims. This would lead to local conversions and assimilations of foreign Muslims, ultimately causing the eventual formation of several officially Muslim political entities in the region.[3][4] According to the Association of Religion Data Archives (ARDA), 55.3% of the population is Christian, 31.5% is Muslim, 11.3% practices traditional faiths, while 1.9% of the population is non-religious or adheres to other faiths as of 2020.[5] The ARDA estimates that most Tanzanian Muslims are Sunni, with a small Shia minority, as of 2020.[3]
On the mainland, Muslim communities are concentrated in coastal areas, with some large Muslim majorities also in inland urban areas especially and along the former caravan routes. More than 99% of the population of the Zanzibar archipelago is Muslim. The largest group of Muslims in Tanzania are Sunni Muslim, with significant Shia and Ahmadi minorities. According to the Pew Research Center research conducted in 2008 and 2009, 40% of the Muslim population of Tanzania identifies as Sunni, 20% as Shia, and 15% as Ahmadi,[6] besides a smaller subset of Ibadism practitioners as well as non-denominational Muslims.[7] Most Shias in Tanzania are of Asian/Indian descent. [8] Some Ahmadis are also of South Asian descent. [9]
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