5,430,000 (2006), increasing.
Northwest, mainly Shinyanga and Mwanza regions, also in Kagera, Tabora, and Singida regions; some in Kigoma and Mara regions; between Lake Victoria and Lake Rukwa, extending to Serengeti plain, Kiya, Gwe; few in cities, 88% in the traditional area.
Gwe (Kemunangweeli, Kigwe), Kemunadakama, Kiya (Kiiya), Nasa, Nelaa, Ntuzu, SumaaBu. Dialects contiguous with Nyamwezi and mutually intelligible along the border of the two people groups. Lexical similarity: 84% with Nyamwezi [nym], 59% with Sumbwa [suw] and Nyaturu [rim], 57% with Kimbu [kiv], 55% with Nilamba [nim], 49% with Langi [lag].
Latin script [Latn].
Christian, traditional religion.