which are the three main factors that cause population change
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Three primary factors account for population change, or how much a population is increasing or decreasing. These factors are birth rate, death rate, and migration.
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Birth, Death, and Migration
When the birth rate is higher than the death rate, the population increases.
When the death rate is more than the birth rate, the population decreases. When the two rates are equal. the population remains constant.
Thus, the birth and death rate affects the balance of the population.
Migration - The movement of people in and out of the area. Immigration has contributed to the population, in developed countries, as people from developing countries move to these countries to seek better prospects.
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