[soundsop]

> max size of the economy is linearly tied to population

> why China is going to be on top

India will have a larger population than China (http://statisticstimes.com/population/china-vs-india-populat...) so it should end up on top.

[modarts]

OP did use this disclaimer:

> competent governance

India is far from competent in this regard.

[soundsop]

True.