Q- What are the three main processes of change of population?
Answer- The three main processes of change of population or three main processes which are responsible for population change are as follows:
1. Birth rate: It is the number of live births per thousand persons in a year. It is a major component of population growth in India; birth rate has always been higher than death rate.
2. Death rate: It is the number of deaths per thousand persons in a year. It is also a major component of population chnage in India; death rate has always been lesser than birth rate.
3. Migration: Migration is the movement of persons or group of people from one region or territory to another. This migration is done usually from rural areas to urban areas for better employment opportunities and better living conditions.