250,000 in Democratic Republic of the Congo (2000 SIL). Population total all countries: 250,290. 75,000 monolinguals.
Equateur Province, Nord-Ubangi district, Businga, Mobayi-Mbanza and Yakoma territories; Orientale Province, Bondo territory.
2 dialects, about equal in size. Sango [sag] is derived from Ngbandi.
Latin script [Latn].
Ethnic groups: Abasango, Bwato, Mbaati, and Nzomboy (Monjomboli). Christian.