"Transformação demográfica"

How long do countries have until their populations disappear?

As The Economist reports this week, many women in the richer parts of Asia have gone on “marriage strike”, preferring the single life to the marital yoke. That is one reason why their fertility rates have fallen. And they are not alone. In 83 countries and territories around the world, according to the United Nations, women will not have enough daughters to replace themselves, unless fertility rates rise.