1. According to the provisional 2011 Census report India's population is now pegged at 1.21 billion, an increase of more than 181 million in the last 10 years
2. The Census 2011 is the 15th census of India since 1872 and conducted in two phases - houselisting and housing census (April to September 2010) and population enumeration (February 9 to 28, 2011).
3. The Census covered all 35 states and UTs and cost Rs. 2,200 crore. 27 lakh enumerators were involved in the exercise where 8,000 metric tonnes of paper and 10,500 metric tonnes of material moved.
4. India now accounts for world’s 17.5 per cent population.
5. China has 19.4 per cent of the world's total population; India has 17.5 per cent of the world population.
6. According to the Census report India's population is now bigger than the combined population of USA, Indonesia, Brazil, Pakistan and Bangladesh
7. Uttar Pradesh is the most populous state and the combined population of Uttar Pradesh and Maharashtra is more than that of the USA.
8. The most populous district is Thane in Maharashtra. The Union Territory of Lakshadweep is the least populated at 64,429
9. The highest population density is in Delhi's Northeast district (37,346 per sq km) while the lowest is in Dibang Valley in Arunachal Pradesh (just one per sq km).
10. The latest child sex ratio in is 914 female against 1,000 male - the lowest since Independence. This again proves that we want male child not a female child. But nature will teach a lesson to Indians in future.
11. Child sex ratio in the Punjab and Haryana remains worst - 830 in the case of the former and 846 in the case of the latter.
12. The gap of 21.59 percentage points recorded between male and female literacy rates in 2001 census reduced to 16.68 percentage points in 2011
13. Literates constitute 74 per cent of the total population aged seven and above and illiterates form 26 per cent. But I do not agree with this learn to sign a document does not mean you are educated, educated is one who understands the working of government, educated is one who can accept the freedom of others.
14. The literacy rate has gone up from 64.83 per cent in 2001 to 74.04 per cent in 2011 showing an increase of 9.21 per cent.
15. Literacy rate for males rose from 75.26 to 82.14 per cent marking a rise of 6.9 per cent, it increased by 11.8 per cent for females to go from 53.67 to 65.46 per cent. Literacy rate improved sharply among females as compared to males.
16. Ten states and union territories, including Kerala, Lakshadweep, Mizoram, Tripura, Goa, Daman and Diu, Puducherry, Chandigarh, National Capital Territory of Delhi and the Andaman and Nicobar Islands, have attained literacy rate of above 85 per cent
17. Kerala has the highest literacy rate at 93.91 per cent followed by Lakshadweep at 92.28 per cent.
18. Mizoram's two districts - Serchhip (98.76 per cent) and Aizawl (98.50 per cent) have recorded highest literacy rates while Madhya Pradesh's Alirajpur district (37.22 per cent) and Chhattisgarh's Bijapur district (41.58 per cent) recorded lowest literacy rates.
19. Bihar is at the bottom of the ladder with literacy rate of 63.82 followed by Arunachal Pradesh at 66.95
20. The Census indicated a continuing preference for male children over female children. The latest child sex ratio in is 914 female against 1,000 male—the lowest since Independence.