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What is net migration the difference between?

Answer and explanation

Correct answer: In-migration and out-migration

Direct answer: D. Net migration is the difference between the number of people entering an area and the number leaving it. It can be written as in-migration minus out-migration. If 500 people enter and 300 leave, net migration is +200, so it is positive. If more leave than enter, the result is negative. D is correct because it names both movements that determine net migration. A is the basis of natural increase, not net migration. B and C describe physical or economic relationships, not population movement. Net migration should not be confused with total migration, which may count movements without showing the balance. Memory cue: net means the balance left after subtracting out-migration from in-migration.

Related tags

Net MigrationIn-MigrationOut-MigrationPopulation ChangePopulation GrowthPopulationGeographyClass 9 Mcq

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