Igbo (not Ibo) is a language spoken in Nigeria by the Igbo people (Ndi Igbo). It is written in the Roman script and is a tonal language like Yoruba and Chinese, with two distinctive tones; high and low.

Reading and writing Igbo is not very widespread and not much Igbo literature exists. Igbo is mainly a spoken and colloquial language today, The first book in Igbo, Isoama-Igbo a primer, was produced in 1857 by Samuel Ajayi Crowther.

Nigerian Pidgin English is a version of English and ethnic Nigerian languages spoken as a kind of lingua franca across Nigeria and is referred to simply as "Pidgin",  "Broken English" or "Broken".

Yoruba is the native tongue of the Yoruba people, it is spoken in Nigeria, Benin, Togo and among communities in Brazil, Sierra Leone and Cuba. Yoruba language has a distinction between human and non-human nouns e.g. tani for human nouns (‘who?’) and kini for non-human nouns (‘what?’).

Native speakers of Hausa are found in the north of Nigeria, but the language is widely used as a lingua franca in a much large part of  West Africa, particularly amongst Muslims.