The current population of India is 1.3 billion people, which accounts for 18% of the total global population (United Nations Department of Economic and Social Affairs, Population Division, 2017). Populations projections for 2021 state that 25.5% of the population are between the age of 0-14 years, 64.4% are between the age of 15-59 years and 10.1% are 60 years and above (National Commission of Population (NCP), 2019).

With respect to sex ratio, as per Census of India 2011 (Census of India: Gender Composition, 2011), there are reportedly 940 females to 1000 males in India.

References:

Census of India: Gender Composition (2011). Available from: https://www.census2011.co.in/sexratio.php

National Commission of Population. (2019). Census of India 2011: Population Projections for India and States 2011-2036. REPORT OF THE TECHNICAL GROUP ON POPULATION PROJECTIONS. National Health Mission. Ministry of Health and Family Welfare. Available from: https://nhm.gov.in/New_Updates_2018/Report_Population_Projection_2019.pdf

United Nations Department of Economic and Social Affairs, Population Division (2017). World Population Prospects. The 2017 Revision. Available from: https://www.un.org/development/desa/publications/world-population-prospects-the-2017-revision.html