Researchers have revealed that they have found a remarkable decline in global fertility rate means nearly half of the countries have insufficient children to maintain their population size.
The study about fall in fertility rate is published in the Lancet.
Their report also discovered that nearly half of countries are now experiencing a ‘baby bust’. The researchers explained that these findings proved a huge surprise for them.
According to them, it results in for societies with “more grandparents than grandchildren”.
The study is published in the Lancet followed the developments from 1950 to 2017. In 1950, the women had an average of 4.7 children but it reduced to 2.4 children per woman by last year.
The fertility rate in Niger and West Africa is 7.1. However, women are having one average child in the Mediterranean island of Cyprus. The fertility rate in the UK is 1.7 like most of the Western European countries.
The population of a country, whose average fertility rate drops below approximately 2.1, started to shrink. In 1950, there were no nations in this position.
The director of the Institute for Health Metrics and Evaluation at the University of Washington, Prof Christopher Murray said: “We’ve reached this watershed where half of the countries have fertility rates below the replacement level, so if nothing happens the populations will decline in those countries. It’s a remarkable transition.”
“It’s a surprise even to people like myself, the idea that it’s half the countries in the world will be a huge surprise to people, Prof Murray further added.
Most of Europe, the US, South Korea, and Australia have lower fertility rates. But, the number of people living in these countries isn’t falling due to the death rate and migration.
Prof Murray further told: “We will soon be transitioning to a point where societies are grappling with a declining population.”
More economically advanced countries will also have lower fertility rates.
There are three key factors behind the fertility rate declining one of which is that fewer deaths in childhood mean women have fewer babies. The second reason is greater access to contraception and third is the presence of more women in education and work.
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