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If elderly people form 30 percent and the working-age population 50 percent of a country, approximately what is the elderly dependency ratio?

Answer and explanation

Correct answer: 60

The governing concept is the elderly dependency ratio, which compares the elderly population with the working-age population rather than using the elderly share alone. The formula is elderly dependency ratio = (elderly population ÷ working-age population) × 100. Substituting the given shares gives (30 ÷ 50) × 100 = 0.6 × 100 = 60. Thus, there are approximately 60 elderly people per 100 working-age persons, and option C is correct. Option A is only the elderly percentage of the total population, while option B is the working-age share. Option D does not result from the stated ratio and would overstate the dependency burden.

Related tags

Elderly Dependency RatioAge CalculationWorking Age PopulationPopulation AgeingAge StructurePopulation CompositionGeographyClass 12 Mcq

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