Tag: hdi

Fertility rates climb back up in the most developed countries

By Ed Yong | August 5, 2009 1:00 pm

Blogging on Peer-Reviewed ResearchYou wouldn’t think it to look at our skyrocketing global population, but many parts of the world are experiencing serious falls in fertility. A country’s fertility rate is the average number of children  born to a woman over her lifetime. In most developed countries, it needs to be 2.1 or higher if the number of newborns is to compensate for citizens who die. In developing countries, where death is a more frequent visitor, this replacement threshold is even higher.

The problem is that declining fertility is intimately linked with a country’s economic and social development. As a result, more than half of the world lives in areas where fertility rates have fallen below this crucial threshold. It’s the same situation in the UK, Australia, Japan, China, Brazil, Russia, Canada and more. Some believe that these processes are irreversible, with increasing prosperity inevitably leading to diminished emphasis on childbirth.

But Mikko Myrskyla from the University of Pennsylvania thinks differently. He has found that the most developed countries have actually reversed their falling fertility rates, possibly by improving gender equality and making it easier for women to raise families while enjoying successful careers. The result is a graph that looks like a reverse tick, with a small upturn in fertility rate that only becomes evident when looking at data from the dawn of the 21st century. At the most advanced stages of development, it seems that babies make a comeback.

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