Declining fertility and ageing societies could see a huge shift in economic and political clout, University of Washington study says
Earth will be home to 8.8 billion people in 2100, 2 billion fewer than current UN projections, according to a major study published on Wednesday that foresees changes shaped by declining fertility rates and ageing populations.
By the century’s end, 183 of 195 countries – barring an influx of immigrants – will have fallen below the replacement threshold needed to maintain population levels, an international team of researchers reported in the Lancet.
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