The country with the largest population in Africa is Nigeria. With a population exceeding 200 million people, Nigeria accounts for a significant portion of Africa's total population. The country is known for its diversity, with over 250 ethnic groups and multiple languages spoken. Nigeria's demographic growth can be attributed to high birth rates and improvements in healthcare and living standards over the decades. The population is predominantly young, with a median age of around 18 years. Nigeria’s large population presents various challenges, including economic opportunities, education, and governance, but also offers potential for growth and innovation in the region.