Answer the following questions briefly.
(i) Why is the rate of population growth in India declining
(ii) Discuss the major components of population
(iii) Define age structure, death rate and birth
(iv) How is migration a determinant factor of population
(i) Since 1981, birth rates have been
declining gradually. As a result, there has been a gradual
decline in the rate of population growth.
(ii) The major components of population
growth are natural increase of population and immigration.
Natural increase of a population is the difference between the
birth rates and the death rates in that population. Immigration
refers to the inflow of people into a region from other
(iii) The age structure of a population
refers to the number of people in different age groups in that
Death rate is the number of deaths per thousand persons in a
Birth rate is the number of live births per thousand persons in a
(iv) Migration is the movement of
people across regions and territories. It is a determinant factor
of population change as it changes the demographics (size and
composition) of both the areas of departure and arrival.
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