But if Yi is right about China's population, then its per capita GDP would be almost $21,000 this year, roughly $1,500 higher than Mexico's. AUGUST 31, 2023 That would be the implication of a claim about China's population reported in Peter Coy's NYT column. If Yi is correct about China's population, and China's GDP has been measured accurately, then it would mean that its per capita GDP would be roughly 10.0 percent higher than current estimates.