Nigeria, which is Africa's most populous country (137.25 million), is composed of more than 250 ethnic groups; the following are the most populous and politically influential: Hausa and Fulani 29%, Yoruba 21%, Igbo (Ibo) 18%, Ijaw 10%, Kanuri 4%, Ibibio 3.5%, Tiv 2.5%

Religious groups include: Muslim 50%, Christian 40%, indigenous beliefs 10%²⁰