Africa

Continent

Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers around 20% of Earth's land area and 6% of its total surface area. With nearly 1.4 billion of the world population, Africa's population is the youngest among the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4.

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