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In a country, 26 percent of the population is aged 0-14, 61 percent is aged 15-64, and 13 percent is aged 65 and above. What is the approximate total dependency ratio per 100 working-age persons?

Answer and explanation

Correct answer: About 64

The dependency ratio compares people outside the usual working-age group with those in the working-age group. Here, children aged 0–14 and older people aged 65 and above are treated as dependents. Their combined share is \(26+13=39\) percent. The working-age share is 61 percent. Therefore the total dependency ratio is \(39/61\times100\approx63.93\), or about 64 dependents per 100 working-age persons.

Option B is correct. A common mistake is to choose 39 merely because that is the dependent population’s percentage of the total population. The question asks for dependents per 100 working-age people, so the dependent share must be divided by 61, not by 100. The age groups add to 100 percent, confirming that the supplied data are internally consistent.

Related tags

Dependency RatioAge Structure CalculationWorking Age PopulationPopulation CompositionAge StructureGeographyClass 12 Mcq

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