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According to the 2010 revison of the World Population Prospects the total population was 19 738 000 in 2010, compared to only 2 630 000 in 1950.
The proportion of children below the age of 15 in 2010 was 40. 9 %, 55. 3 % was between 15 and 65 years of age, while 3. 8 % was 65 years or older

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