AQA AS Geography Population: Migration

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  • Created on: 22-08-13 19:31
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Migration The movement of people between or within countries
Immigration The movement of people into a country
Emigration The movement of people out of a country
Migration can alter population structure, which can be seen in the population pyramids for
the areas affected. Migration can affect any part of the population ­ it depends on how old
the migrants are.
The Cause of the movement can be either: forced, voluntary
Migration occurs because of push and pull factors
Push factors: things that make people want to move out of a place
Lack of safety
Lack of services
Crop failure
War, civil unrest
Pull factors: the attractions to a new place
Job opportunities
Safer atmosphere
Better service provision
Greater wealth
Fertile land
Good food supplies
Political security
Less risk of natural hazards
Friends and family

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Effects of Migration
Migration affects both the area of origin and the area of destination.
The effects of migration are social, economic, political and environmental.…read more

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Economic costs - The loss of young adult labour force
- The loss of those with skills and entrepreneurial talents,
which may slow economic development
- Regions where out-migration takes place may suffer from a
spiral of decline that is difficult to halt
- The loss of labour may deter inward investment by private
organisations, increasing dependence on governmental
Economic benefits - Reduced underemployment in the source country
- Returning migrants bring new skills to the country which
may help revitalise the home…read more

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Environmental Costs - Generally increases the pressure on the environment as
more space is needed for housing, resources for industry,
Environmental - In an under populated country the increase in population
Benefits can lead to a better use of resources and therefore
improved quality of life
Economic costs - The cost of educating the migrants' children have to be
- There is an overdependence of some industries on migrant
- Much of the money earned, including pension payments, is
repatriated…read more



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