USA predicted to stay number one economy for the foreseeable future.
https://www.abc.net.au/news/2022-03-15/china-faces-significant-hurdles-to-become-biggest-global-economy/100912398Not to mention the Ukrainian war which will see China join Russia, North Korea, Iran, Cameroon, Ethiopia, Guinea, Guinea-Bissau, Burkina Faso, Togo, Eswatini in forming a "dark web" of countries.
Mongolia gets free membership through geographical location alone.
And Serbia are mailing in their application shortly delivered by horse drawn cart
(Serbia are considering replacing the horses with stubborn mules).If China falls foul of the Western World with assisting Russia fight Ukraine, then a boycott on Chinese goods will see them plummet in terms of economic growth.