I think English's status as the current global language will be enough to stop Chinese from becoming the global language. You're looking at a situation where 5/

I think English's status as the current global language will be enough to stop Chinese from becoming the global language. You're looking at a situation where 5/6 of the world learns 3 languages, English, Chinese, and their native language(as the transition will not happen instantaneously) or a world where everyone learns English and their native language.