The IJO is a language or a dialect continuum of several languages , which is spoken in southern Nigeria and forms of the number of speakers produces the largest branch of ijoiden language group within the Niger -Congo language family.
It covers 9 languages or dialects alone, and the ISO code is ijo.
IJO is thus the main group named after her ijoiden languages. It is spoken by the ethnic group of IJO.
The languages are divided into two groups - Central and East:
- Izon (central -west Ijo ) ( 1 million); Biseni (5 thousand), Okodia (4 thousand), Oruma (5 thousand)
- Nkoro: Nkoro (5 thousand)
- Kalabari - Okrika: Kalabari (250 thousand), Kirike (250 thousand), Ibani (60 thousand)
- Southeast: Nembe - Akassa (70 thousand)