birth death and migration effects population and how?
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Growth through natural increase occurs when the birth rate exceeds the death rate. ... The rate of natural increase of a population depends on birth and death rates, which are strongly influenced by the population age structure. Births occur primarily to people in the younger-adult age groups.
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Migration helps in improving the quality of life of people. ... Migration of skilled workers leads to a greater economic growth of the region. Children get better opportunities for higher education. The population density is reduced and the birth rate decreases.
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