The sharp decline in global fertility rates may lead to a demographic time bomb, with some populations expected to halve by 2100

Business Insider India
A new Lancet study predicts that nearly every country’s population will shrink and some will halve by the end of the century because women are having fewer children.

The trend could lead to a demographic time bomb, where there aren’t enough young people to support the economy and aging population.

Nigeria, however, is expected to experience the reverse trend, becoming the world’s…