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If a country has 60 percent working-age population and 40 percent total dependent population, what is the approximate potential support ratio?

Answer and explanation

Correct answer: 1.5

The potential support ratio compares the working-age population with the dependent population. Using the percentages supplied, calculate it as \(60 \div 40 = 1.5\). The percentages can be treated as 60 working-age persons and 40 dependents out of every 100 people, so the ratio is 60 to 40, which simplifies to 1.5 to 1. It means there are about 1.5 working-age persons for each dependent person.

Option A is therefore correct. Option B, 0.67, is the reverse calculation: \(40 \div 60\), so it would represent dependents relative to working-age people, not the requested support ratio. Option C, 2.5, and option D, 40, do not follow from the stated values. This calculation assumes that “support ratio” is defined as working-age population divided by total dependent population, which is the convention used in the question.

Related tags

Support RatioDependency RatioWorking PopulationNumerical DemographyAge StructurePopulation CompositionGeographyClass 12 Mcq

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