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If in-migration and out-migration are equal, what will be the net effect of migration on total population?

Answer and explanation

Correct answer: Zero effect

Direct answer: B. Net migration is calculated by subtracting out-migration from in-migration: net migration = in-migration − out-migration. If the number entering equals the number leaving, the two amounts cancel each other and net migration is zero. This means migration by itself produces no net addition or loss in the total population, although it may still change the composition or characteristics of the population. A is wrong because there are not more arrivals than departures. C is wrong because departures do not exceed arrivals. D is wrong because natural increase is a different component, calculated from births minus deaths. Total population can still change if births and deaths are unequal, even when net migration is zero. Memory cue: equal in and out means zero net migration.

Related tags

Net MigrationZero Net EffectIn-Migration Out-MigrationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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