400,000 in Nigeria (1998). Population total all countries: 405,260.
Cross River State, Calabar nunicipality, Odukpani and Akamkpa LGAs; Akwa Ibom State, Itu town. Also in United States.
3 (Wider communication).
2,000,000 L2 speakers, though decreasing as an L2. The major dialect and language of the Ibibio-Efik group. Used in adult education, university courses.