Population
Madhya Pradesh Board · Class 9 · Social Science
Quick revision notes for Population — Madhya Pradesh Board Class 9 Social Science. Key concepts, formulas, and definitions for last-minute revision.
Key Topics to Revise
Population Size and Distribution
- India's population in 2011 was 1,210.6 million (1.21 billion people)
- India accounts for more than 17% of world's population on only 2.4% of world's area
- Uttar Pradesh is the most populous state with 199 million people (16% of India's population)
Population Growth and Processes
- India's population increased from 361 million (1951) to 1,210 million (2011)
- Growth rate increased from 1951 to 1981, then started declining
- Annual growth rate peaked at 2.22% (1981), declined to 1.64% (2011)
Migration and Urbanization
- Internal migration doesn't change total population but affects distribution
- Most migration in India is rural to urban
- Push factors: poverty and unemployment in rural areas
Adolescent Population and National Population Policy
- Adolescents (10-19 years) constitute one-fifth of India's total population
- They are the most important resource for the future
- Adolescents have higher nutrition requirements than normal children or adults
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