Census of India - 2011

• Census 2011 is the 15th Census of India since 1872 and 7th in Independent India. 
• The motto of Census 2011 : "Our Census, Our future".
• 2011 Census Commissioner of India : C. Chandramouli.
• According to 2011 Census, the total population of India was 121 Crore.
• Population of India constitutes 17.5% of world's population.
• Uttar Pradesh is the most populated state in India, whereas Sikkim is the least populated.
• Meghalaya has the highest fertility rate in India.
• The rate of population growth is 17.64.
• According to Census 2011, the literacy rate in India is 74.04%. The male literacy rate is 82.14% and the female literacy rate is 65.46%.
• Kerala (93.9%) is the most literate state in India and Bihar (63.82%) is the least literate state.
• Among the UTs, Lakshadweep (92.2%) is most literate whereas, Dadar and Nagar Haveli is the least literate.
• Population density is defined as the number of persons per square kilometer. The population density of India as per Census 2011 is 382.
• Bihar (1102) is the most densely populated state whereas, Arunachal Pradesh (17) has least density of population. 
• Sex ratio can be defined as the number of females per 1000 males. At present, the Sex ratio of India is 940/1000.
• Sex ratio is highest in Kerala (1084/1000) and lowest in Haryana.
• Among the UTs, Pondicherry has the highest sex ratio whereas, Lakshadweep has the lowest.
• There are 640 districts in India according to Census 2011.
• Mumbai is the most populated city followed by Delhi.
• The Government of India has adopted the National Population Policy in 2000.
• Most populous district in India is Thane (Maharashtra) and least populous district is Dibang Valley (Arunachal Pradesh).