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Population to hit 9 billion

THE world's population will hit 7 billion early in 2012 and top 9 billion in 2050, with most of the increase coming in Asia and Africa, according to a United Nations estimate.

"The projections are based on the assumption that fertility that is now around 2.56 children per woman is going to decline to about 2.02 children per woman in the world," said Hania Zlotnik, director of the UN Population Division. Zlotnik said if fertility remained about where it is now, then the world population would reach 10.5 billion by 2050. If fertility fell even more than expected, to about 1.5, then the population would only increase to 8 billion.


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