'Remarkable' decline in fertility rates

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There has been a remarkable, global decline in the number of children women are having, say researchers.

Their report found fertility rate falls meant nearly half of countries were now facing a “baby bust” – meaning there are insufficient children to maintain their population size.

The researchers said the findings were a “huge surprise”.

And there would be profound consequences for societies with “more grandparents than grandchildren”.

How big has the fall been?

The study, published in the Lancet, followed trends in every country from 1950 to 2017.

In 1950, women were having an average of 4.7 children in their lifetime. The fertility rate all but halved to 2.4 children per woman by last year.

But that masks huge variation between nations.

The fertility rate in…



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