Africa's population is the youngest amongst all the continents the median age in 2012 was 19.7, when the worldwide median age was 30.4. With 1.4 billion people as of 2021, it accounts for about 18% of the world's human population. At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area. The size of Africa compared to the other continentsĪfrica is the world's second-largest and second-most populous continent, after Asia in both aspects.
