Explain the main processes of change of population.
1. Birth Rate: It is the number of live births per thousand persons in a year. It a major component of growth because in India, birth rates have always been higher than death rates.
2. Death rate: It is the number of deaths per thousand persons in a year. The main cause of rate of growth of the Indian population has been the rapid decline in death rates.
3. Migration: Migration is the movement of people across regions and territories. It is an important determinant of the population change.
