Specifically, haplogroup B2b has been observed in 67% (12/18) of a sample of Baka from Central African Republic, 52% (12/23) or 51% (29/57) of a sample of Hadzabe from Tanzania, 48% (15/31) of a sample of Biaka from Central African Republic, 43% (20/47) of a sample of Mbuti from the Democratic Republic of the Congo, 31% (9/29) of a sample of Tsumkwe San from Namibia, 28% (11/39) of a sample of the Northern Khoisan-speaking Ju|’hoansi and Sekele peoples, 25% (6/24) of a sample of Burunge from Tanzania, 14% (13/94) of a sample of Tutsi from Rwanda, 13% (9/68) of a sample of Sandawe from Tanzania, 9% (3/32) of a sample of !Kung/Sekele from Namibia, 5% (1/20) of a sample of Turu from Tanzania, 5% (2/43) of a sample of Wairak from Tanzania, 3% (1/29) of a sample of Zulu from South Africa, 3% (1/33) of a sample of Bakola from southern Cameroon, 3% (1/35) of a sample of Datog from Tanzania, 3% (1/35) of a sample of Malagasy, 1.4% (1/69) of a sample of Hutu from Rwanda, 1.4% (1/72) of a sample from Qatar, and 1.3% (2/157) of a sample from Saudi Arabia.