https://www.scmp.com/comment/insight-opinion/asia/article/2180421/worse-japan-how-chinas-looming-demographic-crisis-will

Danger, Will Robinson:

«From this, we can say that the US economy will not be overtaken by China but, rather, by India. China’s economic vitality will continue to decline, which will have a disastrous impact on the global economy.»

(I guess India looms large for folks in China, so I’ll take that part with a grain of salt.)