African Ancestry Among African Americans (image) Cell Press Share Print E-Mail Caption This infographic illustrates the mean proportion of African ancestry for African Americans across the United States. African Americans in Georgia and South Carolina have the highest average percentage of African ancestry among African Americans in the US. Credit 23andMe Usage Restrictions Credit Required Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.