Answer:
Foreign Direct Investment refers to investments that citizens or businesses of a country make in another country by either investing or acquiring businesses in the other country.
In 2019, FDI from China to the USA was estimated to be $37.7 billion.
In the same year, FDI from the USA to China was estimated to be $116.2 billion.
FDI from the US to China is therefore bigger than FDI from China to the US.