Throughout the World different subject aras experience underpopulation and all overpopulation at different multiplication due to the unpredictable and complex practise of migration. Underpopulation occurs when there are far more resources in an area, much(prenominal) as nutrition energy and minerals, than can be used by the concourse living there. Overpopulation occurs when there are too many state and not enough resources and technology to support these people. Countries such as China and Bangladesh have overpopulation as there are oftentimes food shortages and insufficient energy and mineral resources to support the population. The change magnitude globalisation in the world together with the wide and increase gap between the rich and the poor has seen migration increase over the years which means that it is virtually impossible for area to crystalize an optimum population and maintain it. The optimum population of an area is the number of people which , when give outing with all the available resources, pull up stakes produce the greatest yield of economic return, per capita, which means the highest trite of living.
concourse migrate usually migrate from a campestral to an urban area due to push and pull factors. People are deterred from living in rural areas as the work is more poke intensive, crops often fail and there are fewer amenities and services.
People are attracted to the city as there is the chance of a better paid, less labour intensive job, there are more better lumber amenities and there is the chance to eventually be accommodated in a better quality house. Migration can be such an unpredicatable trend, which can change an area experiencing underpopulation to an area with overpopulation. This is particularly the lineament with refugees who often flee in mass numbers from wars and combat in the home nation. When mass numbers of people pass an area this will...
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