Census of India

The population of the country as per the provisional figures of Census 2011 is 1210.19 million of which 623.7 million (51.54%) are males and 586.46 million (48.46%) are females
The population of India has increased by more than 181 million during the decade 2001-2011.
Percentage growth in 2001-2011 is 17.64; males 17.19 & females 18.12.
Uttar Pradesh (199.5 million) is the most populous State in the country followed by Maharashtra with 112 million.
Least Populous StateSikkim
Most Literate State - Kerala (93.9%)
Least Literate State - Bihar (63.82%)
National Sex Ratio - Female : Male (940 : 1000)
Highest Sex Ratio (State) - Kerala (1084 : 1000)
Lowest Sex Ratio (State) – Haryana
Literacy rate - 74.04%
Literacy of Male - 82.14%
Literacy of Female - 65.46%
Highest Density of Population - Bihar (1102 sq.km)
Lowest Density of Population - Arunachal Pradesh (17)
Total number of districts640
Highest Populous District - Thane (Mumbai)
Density of Population in India - 382 sq. km