China’s seemingly inexorable rise has hit a roadblock: demographics. And despite desperate efforts to reverse the effects of the Communist Party’s one-child policy, experts warn it may be too late to prevent lasting damage. Government researchers have predicted that the world’s largest population will peak at 1.4 billion people in 2029. However, it will then experience an “unstoppable” decline that could see it drop to 1.36 billion by 2050, reducing the workforce by as much as 200 million.