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Table 1 Estimates of European ancestry and proportional African ancestries in African Americans by US region of birth

From: Characterizing the admixed African ancestry of African Americans

U.S. region of birth Numbera European ancestry (%) Total African ancestry (%)b
    Mandenka Yoruba Bantu Biaka Mbuti San
West 58 (58) 19.9 ± 8.5 18.9 ± 4.1 64.0 ± 5.3 13.7 ± 4.3 1.1 ± 0.8 0.2 ± 0.2 2.0 ± 0.5
South 12 (10) 24.0 ± 15.6 22.6 ± 5.7 60.0 ± 9.5 14.2 ± 5.4 1.1 ± 0.7 0.2 ± 0.4 1.9 ± 1.0
Midwest 4 (4) 19.4 ± 10.2 19.4 ± 2.0 64.0 ± 5.5 13.1 ± 5.5 0.9 ± 0.9 0.3 ± 0.3 2.2 ± 0.7
Southwest 2 (2) 17.0 ± 6.5 21.4 ± 0.7 65.1 ± 1.0 10.5 ± 0.3 1.1 ± 0.4 0.1 ± 0.0 1.7 ± 1.0
All 136 (128) 21.9 ± 12.2 19.2 ± 4.0 63.7 ± 4.9 13.8 ± 3.8 1.0 ± 0.8 0.2 ± 0.3 2.0 ± 0.6
  1. aNumbers in parentheses are those used for estimation of African ancestries after removal of eight individuals with high values of European ancestry; birth-location information was missing for 60 individuals.
  2. bBased on frappe analysis of African genotypes only (n = 128).