L1 users: 40,000 (2006 SIL), increasing.
Plateau state: Kanam LGA; Bauchi state: Bauchi LGA; Gombe state: Alkakeri LGA.
Mbat (Gagdi-Gum), Galamkya (Gidgid, Gyanggyang). Mbat and Galamkya are mutually intelligible, Mbat intelligible to Duguri [dbm], Duguri [dbm] intelligible to Mbat but not Galamkya, Kantana [mma] marginally intelligible to Galamkya and Mbat. Lexical similarity: Mbat 82% with Galamkya, 75% with Duguri [dbm], 67% with Kantana [mma], 64% with Gwak [jgk], 63% with Bankal [jjr], 41% with Labir [jku].
Traditional religion, Christian, Muslim.