
Their model shows an especially sharp decline for China, with its population expected to fall from 1.41 billion now to about 730 million in 2100. If that happens, the population pyramid would essenti… [+1220 chars]

Their model shows an especially sharp decline for China, with its population expected to fall from 1.41 billion now to about 730 million in 2100. If that happens, the population pyramid would essenti… [+1220 chars]