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Under which condition will migration have no net effect on the total population of a region?

Answer and explanation

Correct answer: In-migration and out-migration are equal

Net migration is the number entering a region minus the number leaving it. Migration has no net effect when these two numbers are equal, because the gain is exactly cancelled by the loss. Therefore, the correct choice is A: in-migration and out-migration are equal.

For example, if 1,000 people enter and 1,000 people leave, net migration is \(1000-1000=0\). The region may still experience movement and its residents may change, but migration has not changed the total population overall. If only people leave, the population falls through migration; if only people enter, it rises. Other population processes, such as births and deaths, may still change the total separately.

Related tags

Zero Net MigrationIn MigrationOut MigrationPopulation BalancePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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