World population in 2100 could be 2 billion below UN projections.

[July 15, 2020: Phys.org]

Earth will be home to 8.8 billion souls in 2100, two billion fewer than current UN projections, according to a major study published Wednesday that foresees new global power alignments shaped by declining fertility rates and greying populations.

By 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.

More than 20 countries—including Japan, Spain, Italy, Thailand, Portugal, South Korea and Poland—will see their numbers diminish by at least half...MORE

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