However, after a peak in the early 1960s, the world’s population growth rate has decelerated dramatically, Rachel Snow of the UN Population Fund told AFP.
The University of Washington professor says that under their “quite different fertility model,” the human population will only reach somewhere between nine and 10 billion.In 2021, the average fertility rate was 2.3 children per woman over her lifetime, down from about five in 1950, according to the UN, which projects that number to fall to 2.1 by 2050.
This global graying will have an impact on labor markets and national pension systems, while requiring much more elderly care. Those numbers could even out, but unlike in the past when countries’ average ages were mostly young, says Snow, “in the future, we may be closer in age, mostly old.”
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