Question

If the growth rate is two percent, in how many years the population will be doubled?

Answer 1

Growth rate:

1. The growth rate is measured by the difference between birth and death rate.
2. If the number of deaths is more than the number of births, then the growth rate is negative.
3. If the number of births is more than the number of deaths, then the growth rate is positive.

Doubling of population:

If there is an annual growth rate of 2% then it is estimated that the population will double every 35 years.