Answer: Birth rate, immigration, death rate and emigration.
Explanation:
Population growth is mainly based on four major factors. These are as follow: death rate, immigration, birth rate and emigration.
Population growth rate is calculated as:
Population growth rate = [Birth rate + Immigration] - [Death rate + Emigration] "Per capita rates" can be calculated or evaluates as no. of events divided by no. of people in population over period of time.