The Genetic Ancestry of African-Americans

African-Americans are an ethno-racial group that includes Americans descended from African slaves brought to what is now the United States, they include sub-groups such as the Gullah, Americo-Liberians, the Creoles of Louisiana, the Black Seminoles, & the Black Nova Scotians.

The Sub-Saharan African ancestry in African-Americans is predominantly West African (including Nigerian, Senegambian/Guinean, & Ghanaian/Liberian/Sierra Leonean, with some Bantu (Congolese & Southeastern African, including Angolan), African-Americans tend to be around slightly over half Sub-Saharan African to over 90% Sub-Saharan African, with the average African-American being 7/8 (around 85%) Sub-Saharan African.

The European ancestry in African-Americans tends to be Northwestern European (mainly English/Scottish, but sometimes French, Dutch, or Irish), African-Americans tend to be 1/32 to almost half European, with the average being around 1/8 European.

Many African Americans also have Native American ancestry, with the average being around 1/64 or slightly less, some of it comes from distant Mestizo ancestry or from local tribes from the US (with some of it being from Native American slave owners).

Many African-Americans also have a small percentage of Southeastern Asian (mainly Filipino/Austronesian), coming mainly from Malagasy slaves.

African-Americans are on average 85% Sub-Saharan African, 14% European, & 1% Native American.