The population, predominantly of Tswana stock (79%), is distributed among eight tribes, Batswana being the largest. The others include Bamangwato, Bakwena, Bangwaketsi, Bakgatla, Barolong, Bamalete, and Batlokwa. The next largest single group of indigenous peoples is the Kalanga, which accounts for about 11% of the population. There are about 3% Basarwa (Bushmen). There are a small number of Kgalagadi. In 1998, non-Africans constituted only 1% of the population.