Iran's Birth Rate has dropped significantly. Studies project that Iran's rate of population growth will continue to slow until it stabilizes above 90 million by 2050.
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The population of Australia all together is about 23,581,222 people. About two thirds of this population are people that are over the age of 18.
Oil reserves.
It is estimated that around 40-45% of the population in the American colonies in 1775 was under the age of 16. This percentage varied depending on the region and demographic composition at that time.
33 percent are under the age of eighteen.
Approximately 30% of the world's population is under the age of 18.
18 % of people are under the age of 15 :)
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According to the US census bureau of 301,461,533 people in the 10-14 age group it is only 6.8% of the population.
Kosovo
20.2% in America as of 2010
75% total under age of 25...