The 2006 census figures puts the population of Nigeria at 140,431,790 people.
However 2014 estimations put the country’s population at 174,507,539 people.
With a population of around 175 million people, Nigeria is the most populous country in Africa and the 7th most populous in the world.
The country is inhabited by over 500 ethnic groups, of which the largest three are Yoruba, Hausa, and Igbo.
The Nigerian population is roughly divided in half between Muslims, concentrated mostly in the North and South-west, and Christians, concentrated mostly in the Southern and Central parts of the country.