Basotho
Oculocutaneous albinism, OCA2, is the most common gene type of albinism inherited disorders among the Bantu population of southern Africa. It occurs at a frequency of 1:4000. The incidence in Sotho people in northern South Africa is at its highest, with a ratio of 1:1500 in neonates. Albinism is the largest cause of childhood visual impairment in northern South Africa with a frequency of 1:1900 among the black population. Statistics on albinism in South Africa are largely incomplete however, studies quoted by the World Health Organization in 2006 reported that 1:4000 were born with albinism, compared to about 1:20 000 worldwide.