100,000 (2012 M. Rueck, Z. Yoder, and K. Hannelová).
Adamawa State, Numan, Girei, Song, Shelleng and Demsa LGAs.
Bakopi (kunBuko), Bwazza (Bare, Bere, Bwaza, Bwa’za, kunBwazza), Gwamba (Nkono), Mbula, Tambo (Begel, kunBegel, Taumbo). Mbula 73% intelligible of Tambo, over 80% of other dialects. Mbula-Bwazza [mbu], Kulung [bbu], and Bile [bil] mutually unintelligible (less than 25%). Lexical similarity: Mbula 75% with Bwazza and Gwamba, 70% with Bakopi, 64% with Tambo; Mbula-Bwazza [mbu] 37% with Kulung [bbu], 48% with Bile [bil].
Primary schools in major villages; a few secondary schools. Christian, traditional religion.