https://www.worldometers.info/world-population/
world popn @ end of 2020 about 7836 million
2020 china ML popn hasn't been released yet, from http://www.stats.gov.cn/tjsj/zxfb/202002/t20200228_1728913.html
2019 data : 年末全国大陆总人口140005万人，比上年末增加467万人
assume same growth, 2020 china ML popn about 1405 million or 17.93% of global
https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(nominal)
China ML gdp is about 17.7 % of global total; I think the fig referred to 1$ to 6.9 RMB (don't bother with the recent RMB appreciation to about 1$ to 6.47 RMB)
