What Asian country has the most people in the world?
You use the most to mean a larger amount than anyone or anything else, or the largest amount possible. 最多的
The population of China
The current population of China is 1,398,722,483 as of Tuesday, March 26, 2019, based on the latest United Nations estimates.
China population is equivalent to 18.31% of the total world population.
China ranks number 1 in the list of countries by population.