Baozhen Luo has a good article on this theme. The problem is well-known, but the potential solutions don’t receive enough discussion.
For instance simply raising the retirement age to sixty-five could keep more than forty million men in the work force.
The Chinese employment rate has been increasing steadily, as has Chinese productivity. In other words, improvements in both labor quantity and labor quality can help offset the aging problem. Countries on the technological and efficiency frontier don’t have nearly the same room for improvement.