Khoisan hunter-gatherers have been the largest population throughout most of modern-human demographic history

The expansion of Bantu agriculturalists 3,800 years ago in sub-Saharan Africa established first contact with Khoisan hunter-gatherers living in parts of Southern Africa. Sequencing the genomes of five Namibian-Khoisan hunter-gatherers and one Bantu individual tells a tale of admixture and isolation in the early history of modern human populations.