3,500,000, all users. L1 users: Few L1 speakers. L2 users: 3,500,000 (1991 UBS).
Bas-Uele, Haut-Uele, Ituri, and Tshopo provinces.
3 (Wider communication). Used as an LWC in Aru, Dungu, Faradje, and Watsa territories by all ethnic groups as a preferred market language.
None known. Reportedly becoming more like Lingala [lin].
Used as L2 by Alur [alz], Avokaya [avu], Baka [bdh], Bangba [bbe], Bendi [bct], Dongo [doo], Kakwa [keo], Kaliko [kbo], Lese [les], Lika [lik], Logo [log], Lugbara [lgg], Mamvu [mdi], Mangbetu [mdj], Mangbutu [mdk], Mayogo [mdm], Mündü [muh], Ndo [ndp], Nyali [nlj], Nyanga-li [nyc], Omi [omi], Zande [zne].
Latin script [Latn].