Population boom set to stabilise at 9bn by 2300

Fears that the human race may drive itself to extinction through over-population are challenged by new United Nations figures suggesting an eventual equilibrium as people in poorer countries come to understand the need for smaller families.
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But the report, issued by the UN’s population division, gives warning that even slight variations – “as little as one-quarter of a child” – below or above this two-child norm could produce dramatic swings, resulting in world totals ranging from as little as 2.3 billion up to 36.4 billion.

The Guardian