What’s the poorest country in the world?

If you said the USA, you are correct according to these figures from the CIA.

https://www.cia.gov/library/publications/the-world-factbook/rankorder/2187rank.html

Not surprisingly China is the wealthiest.

I have been saying for some time, half serious, half joking, that China owns the USA.

How close is this to the truth do you think?