Geography Human and Population Geography GS Paper I

Human and Population Geography — Quick Revision

One-page UPSC revision of India's population geography: Census 2011 figures, growth phases, NFHS-5, migration, rural settlement types and urban definitions.

SyllabusGS I · Social geography of India — population and associated issues, distribution, migration and settlements; urbanisation

By 2 min read Updated Oct 2026 #quick revision#geography#human-and-population-geography

A last-week revision sheet for population and settlements. Always quote the source and year with a number.

Census 2011 at a Glance

IndicatorFigure
Population121.09 crore
Decadal growth 2001–11About 17.7%
Density382 per sq km (Bihar 1,106 highest; Arunachal Pradesh 17 lowest)
Sex ratio943 (Kerala 1,084 highest; Haryana 879 lowest among States)
Child sex ratio (0–6)919
Literacy (7+)74.04% (provisional, as in NCERT); Kerala highest, Bihar lowest
SC / ST16.6% / 8.6%
Urban shareAbout 31%
Towns7,935 (4,041 statutory + 3,894 census)
Million-plus UAs/cities53
Most / least populous StateUttar Pradesh / Sikkim

Growth Phases

PhasePeriodCharacter
I1901–21Stagnant; 1911–21 saw a decline
II1921–51Steady; 1921 = year of the great divide
III1951–81Population explosion
IV1981 onwardsHigh but slowing growth

Other Sources

SourceKey figure
NFHS-5 (2019–21)TFR 2.0 (replacement 2.1); 1,020 women per 1,000 men (survey)
UN DESA (April 2023)India overtakes China as most populous
Next CensusReference date 1 March 2027 (1 October 2026 in snow-bound areas); includes caste

Settlements

Rural typeWhere (NCERT)
ClusteredNorthern plains; north-east; Bundelkhand, Rajasthan
Semi-clusteredGujarat plains, parts of Rajasthan
Hamleted (panna, para, palli, nagla, dhani)Middle and lower Ganga plain, Chhattisgarh, lower Himalayan valleys
DispersedMeghalaya, Uttarakhand, Himachal Pradesh, Kerala
Urban termDefinition
Statutory townHas a municipality, corporation, cantonment board or notified town area committee
Census town5,000+ people; 75%+ male main workers non-agricultural; 400+ per sq km
Urban agglomerationTown plus outgrowths, or contiguous towns
High-yield facts
  • Child sex ratio (919) is lower than the overall sex ratio (943).
  • Rural-to-rural is the largest migration stream; women migrate mainly on marriage, men for work.
  • Functional towns: Mhow (garrison), Kandla (port), Roorkee (education), Digboi (mining), Chandigarh (administration).

Common Traps

Watch for these
  • NFHS sex ratio (1,020) is a survey figure; the Census 2011 figure is 943.
  • UP is most populous; Bihar is densest.
  • Census towns have no municipal body.
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