Nigeria was the seventh most populous nation in the world in 2020, with 206.1 million people. Projected to reach a population of 401.3 million by 2050, Nigeria will rank third after India (1st) and China (2nd). According to Institut national d'études démographiques' projections, Nigeria, Ethiopia, DR Congo, Egypt, Tanzania, and Kenya will be among the world’s top 20 most populous countries by 2050.