Population: Distribution, Density, Growth, and Composition class 12

Population: Distribution, Density, Growth, and Composition

1. Introduction

  • Meaning of population geography
  • Importance of studying population

2. Population Distribution

  • Uneven distribution of world population
  • Factors influencing distribution (physical, economic, social, political)
  • Case studies: South Asia, Sahara Desert, Europe, etc.

3. Population Density

  • Meaning & types (arithmetic, physiological, agricultural)
  • Patterns across the world & India
  • Factors influencing density

4. Population Growth

  • Meaning of growth, natural growth, positive & negative growth
  • Phases of world population growth (pre-agriculture, early agriculture, industrial revolution, modern period)
  • Population explosion
  • India’s population growth trends (1901–2021)

5. Population Composition

  • Sex ratio
  • Age structure
  • Literacy levels
  • Rural–urban composition
  • Occupation structure
  • Case studies (India, Japan, Nigeria, USA, etc.)

6. Theories of Population Growth

  • Malthusian theory
  • Marxian theory
  • Demographic transition theory (3 stages + modern 5-stage version)

7. Importance of Population Studies

  • Economic planning
  • Human resource development
  • Sustainable development

8. Key Terms & Diagrams

  • Pyramid diagrams (age–sex pyramid types)
  • Population density map references

9. Case Studies / Examples

  • Japan (ageing population)
  • India (youth bulge)
  • Nigeria (high fertility)
  • Europe (declining population)

10. Sample Answer Frames

  • 1-mark, 3-mark, 5-mark, and 6-mark CBSE-style questions

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