Following are some key points about India's demography, according to government data:

- India estimates its population at 1.38 billion, compared to China's 1.4 billion.

- Uttar Pradesh, with a projected population of 230 million people, is the country's most populated state, while Lakshadweep, with only 68,000 people, is the least populated.

- With 27.3% of its population aged between 15 and 29 years, India is among the youngest countries in the world.

- India is among the eight countries expected to be responsible for more than half the projected increase in global population upto 2050.

- The South Asian nation's annual population growth has averaged 1.2% since 2011, down from 1.7% in the previous 10 years.

- The use of family planning methods in India increased to 66.67% in 2019-21, up from 53.5% in 2015-16.

- India's total fertility rate - the number of children per woman - fell to 2 in 2019-2021, down from 3.4 in 1992-93.

(Reporting by Sakshi Dayal; editing by Angus MacSwan)