The factors that contributes to a country's natural population growth are birth rate
, death rate and fertility rate.
Answer: Option 3, 4 & 5
Explanation:
There are 4 factors that help us to calculate the growth of population in the country. They are Immigration, Fertility, Birth and Death rate. Among those, Immigration is the only non-natural factor that manipulates the country's population.
Meanwhile, a country's population is mainly depended upon the Birth and Death rate. Also, the Fertility rate will end up increasing the Birth rates. The increase in the net population of a country can be calculated by a formula the Death rate - the Birth rate in the country.
