Moreover, around 2050, China's GDP is projected to be almost 2.22 times higher than US ... 2015a. “‘Age of Large-Population Countries’ and the Marxian Optimal Growth Theory.” [In Japanese.] Mita ...

India will overtake China, sub-Saharan Africa population to double India ... this had fallen to 2.5 births per woman and, by 2050, this is projected to decline further to 2.2 births: a fertility ...