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What is the correct meaning of net migration?

Answer and explanation

Correct answer: Difference between immigration and emigration

Answer: B, net migration is the difference between immigration and emigration. Immigration means people entering a region or country to live there, while emigration means people leaving it to live elsewhere. The formula is net migration = immigrants − emigrants. For example, if 8,000 people enter an area and 5,000 leave it, net migration is +3,000. A is wrong because births are part of natural change, not migration. C is wrong because births plus deaths is not a migration measure; natural increase uses births minus deaths. D is wrong because area and population density describe the spatial distribution of people, not movement across a boundary. A positive net migration means more people entered than left; a negative value means more left than entered. Memory cue: immigration comes in, emigration exits; net migration compares these two movements.

Related tags

Net MigrationImmigrationEmigrationPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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