TIL we have reached "peak child" some years ago. The number of children in the world is not increasing anymore and global fertility is trending downwards

Many people don't know about the enormous progress most countries have made in recent decades - or maybe the media hasn't told them. But with the following five facts everyone can upgrade their world view.

1. Fast population growth is coming to an end

It's a largely untold story - gradually, steadily the demographic forces that drove the global population growth in the 20th Century have shifted. Fifty years ago the world average fertility rate - the number of babies born per woman - was five. Since then, this most important number in demography has dropped to 2.5 - something unprecedented in human history - and fertility is still trending downwards. It's all thanks to a powerful combination of female education, access to contraceptives and abortion, and increased child survival.

The demographic consequences are amazing. In the last decade the global total number of children aged 0-14 has levelled off at around two billion, and UN population experts predict that it is going to stay that way throughout this century. That's right: the amount of children in the world today is the most there will be! We have entered into the age of Peak Child! The population will continue to grow as the Peak Child generation grows up and grows old. So most probably three or four billion new adults will be added to the world population - but then in the second half of this century the fast growth of the world population will finally come to an end.

2. The "developed" and "developing" worlds have gone

Fifty years ago we had a divided world.

There were two types of countries - "developed" and "developing" - and they differed in almost every way. One type of country was rich and the other poor. One had small families, the other large families. One had long life expectancy, the other short. One was politically powerful, the other was politically weak. And between these two groups, in the middle, there was hardly anyone.
So much has changed, especially in the last decade, that the countries of the world today defy all attempts to classify them into only two groups. So many of the formerly "developing" group of countries have been catching up that the countries now form a continuum. From those nations at the top of the health and wealth league, like Norway and Singapore, to the poorest nations torn by civil war, like DR Congo and Somalia, and at every point in between, there are now countries right along the socio-economic spectrum. And most of the world's people live in the middle. Brazil, Mexico, China, Turkey, Thailand, and many countries like them, are now in most ways more similar to the best-off than the worst-off. Half the world's economy - and most of the world's economic growth - now lies outside Western Europe and North America.

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