The following is the entry for this language as it appeared in the 14th edition (2000).
It was superseded by the corresponding entry in the 15th edition (2005). See also the corresponding entry in the current edition of Ethnologue.
SIL code: IBB
ISO 639-2: nic
| Population | 1,500,000 to 2,000,000 (1998 B. Connell). |
| Region | Akwa Ibom State, Itu, Uyo, Etinan, Ikot Abasi, Ikono, Ekpe-Atai, Uruan, Onna, Nsit-Ubium, and Mkpat Enin LGAs. |
| Dialects | ENYONG, CENTRAL IBIBIO, ITAK, NSIT. |
| Classification | Niger-Congo, Atlantic-Congo, Volta-Congo, Benue-Congo, Cross River, Delta Cross, Lower Cross, Obolo, Efik. |
| Comments | Several dialects. Efik is decreasing in use as literary language. Ibibio is the main trade language of Akwa Ibom State. Used in university courses. Trade language. Dictionary. Grammar. SVO. Roman. Radio programs, TV. Christian. |