11,600,000 in South Africa (2011 census), increasing. Population total all countries: 11,969,100. L2 users: 15,700,000 in South Africa.
KwaZulu-Natal and Mpumalanga (Gert Sibande muni) provinces; northeast Free State and southeast Gauteng provinces; Eastern Cape province: Harding area.
1 (National). Statutory national language (1996, Constitution, Article 6(1)).
Christian, traditional religion.