They're already the number one spot in the world, their net purchasing power is higher than the US. Their nominal GDP being lower than the US's is an economic c

They're already the number one spot in the world, their net purchasing power is higher than the US. Their nominal GDP being lower than the US's is an economic choice made by their government to keep growth happening. This said, China will never be a rich country in the way the US is due to it's incredible size.