The average IQ of African Americans in the United States is consistently estimated at 85, with a Black-White gap of approximately one standard deviation (15 points), where Whites average around 100. This figure holds across decades of data from major tests like the Wechsler scales (WAIS/WISC), Stanford-Binet, and conversions from national assessments like NAEP
The average IQ across Africa—particularly sub-Saharan Africa, which dominates the continent’s population—is estimated between 70 and 82