Return to Nigeria: What Everyone Needs to Know.. Introduction. Nigeria has by far the largest population of all African countries, with an estimated one out of every five sub-Saharan Africans ...

Nigeria’s growing population can be an advantage, with better data and a policy focus on young people ... The country has the largest population of youth in the world and a median age of 18.1 years.

The United Nations estimates that the population of Nigeria, currently the sixth-largest in the world, could grow to be tied with the United States as the third biggest by 2050.

Analysis - Nigeria's population is currently estimated at over 222 million, with the median age - the age at the midpoint of the population - 18.1 years. This poses challenges and opportunities.