4 times greater
As of February 1, 2018, India’s population is 1,347,892,034 while the US population is 325,813,752. By simple division (India’s population divided by US population), India’s population is four times greater than the United States. To be more accurate, India is 4.14 times greater than the US in population; and it is expected to rise considering the difference in the growth rate with the US having 0.7 annually and India at 1.2.