Seven billion and counting

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7 billion and counting.

The world is currently in the midst of the greatest demographic upheaval in human history. Dramatic reductions in mortality, followed (but with a lag) by equally marked reductions in fertility, resulted in a doubling of world population between 1960 and 2000. A further increase of 2 to 4.5 billion is projected for the current half-century, with the increase concentrated in the world's least dev...

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ژورنال

عنوان ژورنال: Nature

سال: 2011

ISSN: 0028-0836,1476-4687

DOI: 10.1038/478300a