Q1
What influences population growth?
ABirth rates, death rates and migration
BOnly birth rates
COnly death rates
DOnly weather patterns
CBSEClass 9 (CBSE)Social ScienceCh 11 · Topic 2
Population Growth and Composition
Population growth refers to the change in population size over time, while population composition looks at characteristics like age, gender,
Core concept
Population growth is influenced by birth rates, death rates, and migration, with India experiencing rapid population growth through much of the 20th century.
How it works
The age composition of a population - the proportion of children, working-age adults, and elderly people - affects a country's economic development and planning needs.
Why it matters
Gender composition, often measured by the sex ratio (number of females per 1,000 males), is an important indicator of social equality and demographic health.
Key detail
Literacy rates, showing the percentage of people who can read and write, indicate educational development and are important for a country's overall progress.
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• Population growth depends on birth rates, death rates and migration.
• India saw rapid population growth through the 20th century.
• Age composition shows the proportion of children, adults and elderly.
• Age composition affects economic planning.
• Sex ratio measures females per 1,000 males.
• Sex ratio indicates social equality and demographic health.
• Literacy rate shows the percentage who can read and write.
• Literacy indicates educational development and progress.