UCHE ISIUGO-ABANIHE, Professor of Demography, University of Ibadan NIGERIA has an estimated population of about 206 million, making it the seventh most populous country in the world. The country’s population is projected to increase to 263 million in 2030 and 401 million in 2050 when it will become the third most populous country in the world. This is because the country’s population continues to grow at a high rate of 2.6%. The global population growth is 1.05% per year. Nigeria’s population growth is a product of persistent high fertility and consistently declining mortality. In 2018 the total fertility rate (or…