China with 4 times US population has 2nd most rich people 
China is home to the second most millionaires and billionaires in the world with 21 lakh such people, even when its population is four times than the US. The US is home to the world's most millionaires and billionaires, with 70 lakh millionaires. Notably, 1% of the world's richest people hold 45% of the world's $166.5 trillion wealth.