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. 

1. Lack of better medical facilities. Unhealthy unemployed youth cannot afford to take treatment from private hospitals. 

2. Population is very high so the government is unable to help the every citizen of the country.

3. Females in spite of being educated and efficient are not allowed to work because of social foundations.

4. Unemployment is a major problem of India. Educated unemployed youth is also become a part of dependent population. 

1. Population change is the difference of birth rate and death rate and addition of migration in a particular area.

2. Population change in any change that may result due to migration, death rate, birth rate and change in an age composition and sex ratio.

3. Even when there is no population growth, there may be a population change.

4. Internal migration brings about a change in population of a country.

5. In given population, if there is a change in the sex ratio, it will be considered a population change. 

1. Poor methods of family planning and poor implementation of family planning programmes.

2. Increase in birth rate at comparison to the death rate.

3. Illiteracy and backwardness of people is responsible for population explosion.

4. Poverty leads to the growth of population.

5. No other resources of entertainment in rural areas so they get in sex activites.   

64.85% 

90.92% 

16.7% 

Number of births in a year per thousand of population.