Religion & community impact

🇹🇿 Tanzania — how its religious make-up changed

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Demographic shift

Share of the population by faith

31.5% → 63.1% Christian · 1965–2020 ▲ +31.6%
29% → 34.1% Muslim · 1965–2020 ▲ +5.1%
0% → 1% Jewish · 1965–2020 ▲ +1.0%
0.1% → 1.6% Unaffiliated · 1965–2020 ▲ +1.5%
39.4% → 4.1% Other · 1965–2020 ▼ -35.3%
0% 20% 40% 60% 80% 100% 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2020
  • Christian
  • Muslim
  • Jewish
  • Unaffiliated
  • Other
Year Christian Muslim Jewish Unaffiliated Other
1965 31.5% 29% 0% 0.1% 39.4%
1970 35.3% 31% 0% 0.2% 33.6%
1975 39.8% 32.6% 0% 0.2% 27.4%
1980 42.3% 31.6% 0% 0.2% 25.9%
1985 46% 31% 0% 0.2% 22.8%
1990 48.3% 31.4% 0% 0.2% 20.1%
1995 51.5% 32% 0% 0.3% 16.2%
2000 50.7% 35% 0% 0.3% 14%
2005 49.8% 33.9% 0% 0.8% 15.6%
2010 61.4% 35.2% 1% 1.4% 4.8%
2020 63.1% 34.1% 1% 1.6% 4.1%

Figures are real national estimates from the Correlates of War World Religion Project. Green up arrows mark a rising share, red down arrows a falling share. The page shows recorded self-identification, not attendance.