The Upper Cross River languages form a branch of the Cross River languages of Cross River State, Nigeria.
The most populous languages are Lokö and Mbembe, with 100,000 speakers.
The internal structure per Cornell (1994), reproduced in Williamson and Blench (2000), is as follows: Oring (Koring) Kele (Kukele), Zekwe (Uzekwe) Kohumono: Humono (Kohumono), Gwune (Agwagwune), Umon Ubaghara Ikom Loko: Lokaa, Lubila, Nkukoli Mbembe Legbo: Legbo (Gbo), Nyima (Lenyima), Yigha (Leyigha) Akpet: Ukpet-Ehom Agoi, Doko (Uyanga), Iyongiyong (Bakpinka) Kiong–Kororb: Kiong (Kayon), Dorop (Korop) Below is a list of language names, populations, and locations from Blench (2019).
A reconstruction of Proto-Upper Cross River has been proposed by Gerrit Dimmendaal (1978).
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