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India Summary

Population 2000 (NSO-Based Estimate '000) 1,011,238   Population 2000 (UN '000) 1,008,937
Area (km2) 3,209,716   Avg. Input Resolution (km) 25
Number of Administrative Units 5,209   Population Per Administrative Unit ('000) 194
Number of Urban Extents 3,200   Number of Settlement Points 3,570

India Details

Continent Asia
Country Name India
Administrative Classifications
Level Used 3.0
Leve1 Type State
Level2 Type District
Level3 Type Tahsil
Number of Units 5,209
Population Per Unit ('000) (2000, estimate) 194
National Population Estimates
Last Year of Reference 2001
NSO-Based Estimated Population, 1990 ('000) 836,168
NSO-Based Estimated Population, 1995 ('000) 919,250
NSO-Based Estimated Population, 2000 ('000) 1,011,238
UN Population, 1990 ('000) 844,886
UN Population, 1995 ('000) 927,102
UN Population, 2000 ('000) 1,008,937
National Spatial Estimates
Area (km2) 3,209,716
Average Input Resolution (km) 25
Settlement Points
Number of Settlement Points 3,570
Largest Settlement, by Population (2000, estimate) 11,698,814
Smallest Settlement, by Population (2000, estimate) 1,041
Mean Settlement, by Population (2000, estimate) 69,475
Urban Areal Extents
Number of Urban Extents 3,200
Largest Urban Extent (km2) 3,757
Smallest Urban Extent (km2) 1
Mean Urban Extent (km2) 70
Total for All Urban Extent (km2) 223,398
Largest Urban Extent (population, 2000) 17,332,634
Smallest Urban Extent (population, 2000) 1,258
Mean Urban Extent (population, 2000) 89,766
Total for All Urban Extent (population, 2000) 287,249,961
% Total Land Area in Urban Extents (km2) 7%
% Total Population in Urban Extents (2000, estimate) 28%
% Total Population that is Urban (2001, UN World Urbanization Prospects) 28%
Urban Areal Extents, by Source
Nighttime Lights Data 3,038
Regression-estimated Extents 951
Digital Chart of the World 64
Other 0
Administrative Population Source Data:
1991 and 2001 population data were purchased from ML Infomap Private Limited, Original 2001 data source cited as: Provisional population tables; Census of India 2001-district-wise for each State and Rural-Urban Distribution of population. 2001 state population totals for growth rates from: Original 1991 data source cited as: Census of India, state, district and town level population statistics for 1991 provided by the office of the Registrar General and Census Commissioner, India. 19911 state population totals for growth rates from:
Administrative Boundary Source Data:
Tahsil Digital Map of India purchased from ML Infomap Private Limited: Original 2001 data source cited as: National Atlas and Thematic Mapping Organization (NATMO) and the Survey of India (SOI), and the Census of India. Original 1991 data source cited as: National Atlas and Thematic Mapping Organization (NATMO) and the Survey of India (SOI).
Settlement Point Population Source Data:
India Census 1991,; India Census 2001, Provisional Results,;World Gazetteer,
Settlement Point Coordinate Source Data:
ASCities, Census, City Population, DCW, Getty, GIS, Map, NIMA, Times Atlas of the World, 1999, UNSD, World Gazetteer
Urban Criteria for Settlements (UN):
Towns (places with municipal cor-poration, municipal area committee, town commit-tee, notified area committee or cantonment board); and all places having 5,000 inhabitants or more, a density of not fewer than 1,000 persons per square mile or 390 per square kilometre, pronounced urban characteristics and at least three fourths of the adult male population employed in pursuits other than agriculture.
Administrative Population Edits and Notes:
Population growth rates were calculated between 1991 and 2001 at the state (administrative 1) level and applied to the 2001 tahsils (administrative 3). Exception to this rule are Andaman & Nicobar Islands and Kashmir, where the base year was 1991. Three new states were created between the 1991 and 2001 censuses (Jharkland, Chhattisgargh, and Uttar Pradesh). These were aggregated with their parent states before a growth rate could be applied to extrapolate the tahsil level population data to target years (e.g Jharkland was recombined with Bihar and the same state level growth rate was applied to all sub units in both Jharkland and Bihar). In West Bengal, several highly populated areas were missing from the data (only on the population, not the spatial side). These were manually added back in based on Web estimates. For more information on these calculations, please contact us at:
Administrative Spatial Edits and Notes:
New internal ADM boundary data taken from updated Shapefiles purchased from InfoMap, March 03. India boundary edges matched to bordering countries, state-level files received from InfoMap were boundary matched to other Indian states.