This document discusses key statistics related to India's population over time:
1. India's population has more than quadrupled from 36 crores in 1951 to over 121 crores in 2011, with growth rates above 2% per year from 1961-1991.
2. Uttar Pradesh and Maharashtra have the highest populations, while Kerala has the lowest birth rate, highest literacy and life expectancy, and favorable sex ratio.
3. Despite a 20x increase in national income from 1950-2011, per capita income only rose 5x due to a doubling of population over the same period.