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If a country's working-age population is 68 percent and child population is 20 percent, what are the elderly share and total dependency ratio respectively?

Answer and explanation

Correct answer: 12 percent and about 47

The population is divided into working-age people, children, and elderly people. The working-age share is 68 percent and the child share is 20 percent, so the elderly share is the remainder: \(100-68-20=12\) percent. Children and elderly people together are dependents, giving a total dependent share of \(20+12=32\) percent.

The total dependency ratio compares this 32 percent with the 68 percent working-age group: \(\frac{32}{68}\times100\approx47.1\), or about 47. Therefore, the correct combination is option A: 12 percent elderly and approximately 47 dependency ratio. A value of 32 is the dependent share, not the ratio, so option D confuses two different measures.

Related tags

Elderly ShareTotal Dependency RatioWorking Age PopulationAge CalculationAge StructurePopulation CompositionGeographyClass 12 Mcq

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