Question

what are the causes for overpopulation​

Answer 1

The two causes of population explosion are:

Decline in death rate (including maternal mortality rate and infant mortality rate).

Increase in the number of people in the reproducible age.

Following are the ways to check population explosion:

One-child norm

 Increasing the marriageable age 

 Promoting contraceptive methods

Contraceptive methods are of two types:

Natural means of contraception

Artificial means of contraception

Answer 2

Overpopulation is caused by number of factors. Reduced mortality rate, better medical facilities, depletion of precious resources are few of the causes which results in overpopulation. It is possible for a sparsely populated area to become densely populated if it is not able to sustain life.