Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area.[4] With 1.3 billion people[1][2] as of 2018, it accounts for about 16% of the world's human population. Africa's average population is the youngest amongst all the continents;[5][6] the median age in 2012 was 19.
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Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area.[4] With 1.3 billion people[1][2] as of 2018, it accounts for about 16% of the world's human population. Africa's average population is the youngest amongst all the continents;[5][6] the median age in 2012 was 19.
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