250,000 in Democratic Republic of the Congo (2000 SIL). No monolinguals. Total users in all countries: 250,290.
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.