Highly populated countries in Africa include Nigeria, Ethiopia and Egypt. The Federal Republic of Nigeria has the highest population with a projected estimate of 177,096,000 people, as of 2015, according to AnswersAfrica.com. The United Nations' estimates predict that population growth in most African countries will double by the year 2050.
Ethiopia's population is approximately 86,565,000 followed by Egypt with 84,605,000 people. Two-thirds of the population in most African countries live in rural areas though there are indications of more migration to cities and towns. Africa is home to over one billion people and has a land mass of 11.7 square miles. The majority of the population is under 25 years old.