Answer: birth rate, death rate, immigration and emigration
Step-by-step explanation:
Population growth can be define as the increase in number of individuals in a population. It can be used to define the density of the population in a particular area in a concerned time. It is affected by parameters like birth rate, death rate, immigration and emigration.
Birth rate can be define as the number of live births in a population per unit area over a concerned time.
Death rate can be define as the number of deaths in a population per unit area over a concerned time.
Immigration can be define as the arrival or introduction of new individuals in a population per unit area over a concerned time.
Emigration can be define as the migration of the members of the population to a new land over a concerned time.
On the basis of the above information the population growth can be calculated by the birth rate, death rate, immigration and emigration.