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If large numbers of young adults migrate out of a region while elderly people remain, what is the most likely effect on local dependency structure?

Answer and explanation

Correct answer: Elderly dependency may increase

The governing concept is age-selective migration and its effect on dependency. Young adults usually belong to the working-age population. When many of them leave the origin region, the denominator used for elderly dependency becomes smaller, while the number of elderly residents may remain nearly unchanged. Consequently, the number of older persons per working-age person can rise, even without any immediate increase in the elderly population. Out-migration may also reduce future births if migrants are of reproductive age, but it cannot make child dependency automatically zero. The working-age group declines rather than increases. Therefore, option B is the best answer.

Related tags

Youth Out-MigrationElderly DependencyAge-Selective MigrationWorking-Age DeclineAge StructurePopulation CompositionGeographyClass 12 Mcq

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