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If children form 24 percent of a country's population and the youth dependency ratio is 40, what is the approximate working-age share?

Answer and explanation

Correct answer: 60 percent

The youth dependency ratio compares the child population with the working-age population. It is calculated as children divided by working-age people, multiplied by 100. Here, children make up 24 percent of the total population, and the ratio is 40. We can use the ratio to find the working-age share, provided both percentages refer to the same total population.

Let the working-age share be W percent. Then 24 ÷ W × 100 = 40. Rearranging gives W = 24 × 100 ÷ 40 = 60 percent. Therefore, option C is correct. The remaining 40 percent is not automatically the working-age share; it is the dependency ratio value, expressed as a ratio relative to workers. Option D is simply the non-child share and ignores the stated ratio.

Related tags

Youth DependencyWorking-Age ShareAge StructureReverse CalculationPopulation CompositionGeographyClass 12 Mcq

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