Igboid languages constitute a branch of the Volta–Niger language family. The subgroups are: * Ekpeye * Nuclear Igboid:

Igbo Igbo may refer to: * Igbo people, an ethnic group of Nigeria * Igbo language, their language * anything related to Igboland, a cultural region in Nigeria See also * Ibo (disambiguation) * Igbo mythology * Igbo music * Igbo art * * Igbo-Ukwu, a ...

, Ikwerre, Ika,

Ngwa Ngwa people (''Ṅgwà'' ), an Igboid tribe in south eastern part of Nigeria. It's also the largest and most populous ethnic group in Abia state southeastern Nigeria. They occupy an area of about , although some accounts read at least . In 1979, t ...

, Izii–

Ikwo The Ikwo is a subgroup of the Igbo people who live in southeastern Nigeria. The area is rich in mineral resources, and the ancestors of today’s inhabitants developed bronze-casting techniques over a thousand years ago, some found in the town of ...

–

Ezza Ezaa or Ezza is a northeastern Igbo sub-group, in Ebonyi State, southeastern Nigeria. The Ezaa are direct descendants of Ezekuna, and his wife, Anyigo. They are therefore, often referred to as Ezaa Ezekuna. The group is found at the north of Af ...

– Mgbo,

Ogba Ogba may refer to: *Ogba people *Ogba language Ogba (also Olu Ogba, mobu onu Ogbah) is an Igboid language spoken by Ogba people of Nigeria. Writing system Certain digraphs and trigraphs are also used. The tones are indicated with diacritics: ...

and Ukwuani-Aboh-Ndoni Williamson and Blench conclude that the Nuclear Igboid languages (Igboid apart from Ekpeye) form a "language cluster" and that they are somewhat

mutually intelligible In linguistics, mutual intelligibility is a relationship between languages or dialects in which speakers of different but related varieties can readily understand each other without prior familiarity or special effort. It is sometimes used as an ...

. However, mutual intelligibility is only marginal, even among the Izii–Ikwo–Ezaa–Mgbo languages. Igboid speakers are about 60 million people. http://www.sil.org/iso639-3/cr_files/2012-078.pdf

Names and locations

Below is a list of language names, populations, and locations from Blench (2019).

References

*Blench, Roger. 2016
A reconstruction of the phonology of proto-Igboid
{{Niger-Congo branches Volta–Niger languages