The Afrobarometer National Partner in Sudan, Sudan Polling Statistics Center (SPSC), interviewed a nationally representative, random, stratified probability sample of 1,800 adults in February-April 2021. A sample of this size yields country-level results with a margin of error of +/-2.3 percentage points at a 95% confidence level. Previous surveys were conducted in Sudan in 2013, 2015, and 2018. IDS provided technical backstopping for the survey.
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