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The Afrobarometer National Partner in Tanzania, REPOA, interviewed a nationally representative, random, stratified probability sample of 2,398 adult Tanzanians between 23 February and 26 March 2021. A sample of this size yields country-level results with a margin of error of +/-2 percentage points at a 95% confidence level. Previous surveys have been conducted in Tanzania in 2001, 2003, 2005, 2008, 2012, 2014, and 2017. IDS provided technical backstopping for the survey.