Explain the factors responsible for population change.
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When the birth rate is higher than the death rate, population increases.
When the death rate is more than the birth rate, population decreases. When the two rates are equal, the population remains constant.
Thus, the birth and death rates affect the balance of population.
Migration - The movement of people in and out of an area. Immigration has contributed to population, in developed countries, as people from developing countries move to these countries to seek better prospects.
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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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