The latest Indian Census data shows youth surge, with approximately 41% of India's population is below the age of 20. According to Census 2011 data, of India’s total population some 41% are below 20 years and 9% above 60 years, with 50% in the intervening 20-59 age group.
Below 50% of Muslims are aged less than 20 years, while children and teenagers make up 40% of the Hindu population. Approximately 30% of the Jain population is in the age group 0-19 years, while among Christians, Sikhs and Buddhists - it is 35-37%.
As per 2001 census, India's total population was 102 crore, of which Hindu population comprised of 82.75 crore (80.45%) and Muslims were 13.8 crore (13.4%). The growth rate of population in the decade 2001-2011 was 17.7%.
Overall the life cycles of different religious communities have shown common trends of a declining proportion of children and teenagers, and an increasing share of elderly citizens, concluding that the proportion of elderly people in the country has risen across all communities as life spans have generally increased, as people of age 60 and above constitute less than 10% of the country’s total population.
However, during the decade 2001-11, improvement was observed at middle and above educational levels and decline in percentage share at lower levels (below-primary and primary).