They fall into two clusters, East and West, with a limited degree of mutual intelligibility between members of each cluster. The Ogoni think of the cluster members as separate languages, however.
The classification of the Ogoni languages is as follows:
Below is a list of language names, populations, and locations from Blench (2019).
|Language||Branch||Dialects||Alternate spellings||Own name for language||Endonym(s)||Other names (location-based)||Other names for language||Exonym(s)||Speakers||Location(s)|
|Gokana||Kegboid||54,000 (1973 SIL)||Rivers State, Gokana–Tai–Eleme LGA|
|Khana||Kegboid||Yeghe, Norkhana, Ken–Khana, Boúe||Khana||Ogoni (ethnic and political term includes Gokana)||76,713 (1926 Talbot); 90,000 (SIL)||Rivers State, Khana/Oyigbo and Gokana–Tai–Eleme LGAs|
|Eleme||West||55,000 (1987 UBS)||Rivers State, Gokana–Tai–Eleme LGA|
|Tẹẹ||West||Tai||Tèẹ̀ ̣||Tèẹ̀ ̣||313,000 (2006)||Rivers State, Tèẹ̀ ̣Local Government Area (TALGA)|
|Baan||Ka-Ban, Kesari||Ban–Ogoi||Goi, Ogoi||Fewer than 5,000 (1990)||Rivers State, Gokana–Tai–Eleme LGA, Ban–Ogoi plus villages|