What are the three main processes of change of population?

CBSE Class 9 CBSE Class 9 Social Science
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What are the three main processes of change of population?
Answer:
The three main processes of change of population are—birth rates, death rates and migration.

  1. Birth rate: It is the number of live births per thousand persons in a year. It is a maj or component of growth because in India, birth rates have always been higher than the death rates.
  2. Death rate: It is the number of deaths per thousand persons in a year. The main cause of the rate of growth of the Indian population has been the rapid decline in the death rate.
  3. Migration: Migration is the movement of people across regions and territories. Migration can be internal (within the country) or international (between countries).