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If a country's total dependency ratio is 65 and child dependency is 35, what is elderly dependency?

Answer and explanation

Correct answer: 30

The total dependency ratio is the sum of child dependency and elderly dependency. Both components are calculated relative to the working-age population, so they can be added and subtracted directly. If total dependency is 65 and child dependency is 35, then elderly dependency is \(65-35=30\).

The answer is therefore 30, which is option C. A ratio of 30 means that, for every 100 people in the working-age group, the elderly dependent component corresponds to 30 people, according to the ratio’s usual interpretation. The calculation does not require the actual size of the population because both given ratios use the same denominator. The other numerical choices do not satisfy the stated total when added to the child dependency.

Related tags

Elderly DependencyTotal DependencyRatio CalculationAge StructurePopulation CompositionGeographyClass 12 Mcq

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