Prelims · 3 Physical & World Geography · 3.9 World regional geography: features, resources and places

3.9.9 World population: distribution, growth and demographic transition

World population passed 8 billion in November 2022 and is about 8.2 billion (2025); it is very unevenly spread, grew fastest in the 20th century, and is moving through the demographic transition from high to low birth and death rates.

  • APPSC Group 2 · Prelims
  • Standard level
  • 8 min read
  • Full course

Key terms

  • world population
  • 8 billion
  • India most populous
  • population density
  • Cressey
  • distribution factors
  • crude birth rate
  • crude death rate
  • total fertility rate
  • replacement level
  • demographic transition
  • Malthus
  • population pyramid
  • migration
  • push and pull
  • sex ratio
  • urbanisation
  • World Population Day
  • Census 2027

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. AP angleStandard
  5. Mains writingMains writing
  6. Common trapsFoundation
  7. Quick revisionFoundation

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