L1 users: 150,000 (1992). 3,500,000 Bwaatye (Bata and Bacama [bcy]) (2006 census). Total users in all countries: 152,500.
Adamawa state: Demsa, Maiha, Yola North, Song, Girei, and Fufore LGAs.
Zumu (Jimo, Zomo), Wadi (Wa’i), Malabu, Kobotachi, Ribaw (Ribow), Njoboliyo, Garoua (Garua), Jirai, Furo, Song Bata. Bacama [bcy] and Central Bwatiye [bcy] 54%–68% of non-riverine dialects (Furo and Song); Njoboliyo [bta] 87% of Furo [bta], Song [bta], and Central Bwatiye [bcy]; Njoboliyo [bta] 73% of Bacama. Upriver dialects have contact with downriver dialects due to fishing practices. Dialect chain: Bacama [bcy] 89% with Central Bwatiye [bcy], 81% with Njoboliyo [bta], 86% with Furo [bta], 84% with Song Bata [bta].
Bacama [bcy] are joined with the Bata in the Bwaatye Association. Christian, Muslim.