India is a country inSouth Asia and is theseventh-largest country by geographical area, themost-populous country withmore than 1.4 billion people, home to nearly 17.5 percent of theworld's population.^[1] India consists of twenty-eightstates and eightunion territories.^[2]

The first official populationcensus of India was conducted in 1872 and every ten years since 1951 by the office of the Registrar General and Census Commissioner under theMinistry of Home Affairs.^[3][4] The last official census was conducted in2011.^[5] Thenext census due in 2021 was delayed due to theCOVID-19 pandemic and is scheduled for 2024.^[6]

As perGovernment of India, anurban agglomeration (U.A.) is a continuous urban spread constituting a town and its adjoining outgrowths (OGs), or two or more physically contiguous towns together with or without outgrowths of such towns. An Urban Agglomeration must consist of at least a statutory town and its total population should not be less than 20,000 as per the 2001 Census. In varying local conditions, there were similar other combinations that have been treated as urban agglomerations satisfying the basic condition of contiguity.^[7]

Following is the list of urban agglomerations inIndia with a population of more than one million as per the2011 census. As per the 2011 census, there were 52 (according to provisional census results, 53^[8]) urban agglomerations or cities with population of one million and above.^[9][a][8]

23

7

41

44

39

43

5

50

20

51

4

16

2

42

34

14

49

6

15

37

10

36

45

27

11

17

3

48

52

19

12

28

31

25

33

1

13

29

18

8

47

35

46

38

9

26

21

51

22

32

40

30

24

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Urban agglomerations in India with a population of over one million

Notes:

• Chandigarh U.A. was included in the list of million plus populous Towns/U.A.s as per provisional census^[8] having 51st rank but in the final population totals, its population fell short of one million ranking 55th after two less than million populous Towns/U.A.s - Mysore U.A., Bareilly U.A.^[9] and as a result of it, the number of million plus populous Towns/U.A.s in India is 52 though as per the provisional census it was 53. As a result, the rank of Tiruchirappalli changed from 52 to 51 and that of Kota 53 to 52.

• Town is written in the"Level" column for an independent town which is not a part of any urban agglomeration (U.A.).

• Bold represents the capital of the respectivestate or union territory or the capital is part of the respective urban agglomeration - example -Gandhinagar, a state capital is a part of the Ahmedadbad U.A.^[9]

• The mentionedfinal figures are slightly different fromprovisional figures.

As perDemographia, an urban built-up area consists of all continuous and non-continuous urban areas within a metropolitan area. As per the 2023 report, there were 65 urban areas with more than one million inhabitants in India.^[11]

• List of cities in India by population
• List of metropolitan areas in India
• List of states and union territories of India by population
• Demographics of India

• Office of the Registrar General & Census Commissioner, India

• Lists of cities in India
• Urbanization in India

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