The Biu–Mandara or Central Chadic languages of the Afro-Asiatic family are spoken in Nigeria , Chad and Cameroon .
2-410: A reconstruction of Proto-Central Chadic has been proposed by Gravina (2014). Gravina (2014) classifies Central Chadic as follows, as part of a reconstruction of the proto-language. Letters and numbers in parentheses correspond to branches in previous classifications. The greatest changes are breaking up and reassigning the languages of the old Mafa branch (A.5) and Mandage (Kotoko) branch (B.1). Jilbe
4-535: Was not classified, as no sources were available. The branches of Biu–Mandara traditionally go by either names or letters and numbers in an outline format. Blench (2006) organizes them as follows: Central Chadic classification per Newman (1977): [REDACTED] Below is a list of language names, populations, and locations (in Nigeria only) from Blench (2019). Comparison of numerals in individual languages: Jilbe language Jilbe (also known as Zoulbou)
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