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If ages 0 to 14 form 28 percent, ages 15 to 59 form 52 percent, and ages 60 and above form 20 percent, approximately how many dependents are there per 100 working-age persons?

Answer and explanation

Correct answer: About 92

The dependency ratio compares dependent people with the working-age population. Here, children and elderly people are dependents, so their combined share is 28 percent plus 20 percent, or 48 percent. The working-age share is 52 percent. The calculation is \\(\text{dependency ratio}=\frac{48}{52}\times100\\\), which is about 92.3 dependents per 100 working-age persons. Rounded to the nearest option, this is about 92, so choice C is correct.

The ratio is not found by simply adding 28 and 20 as if the answer were a percentage of workers; the denominator matters. We compare the 48 dependent people with every 52 working-age people. Choice A would confuse the dependent share with the ratio, while B is the working-age percentage itself. Choice D is too high for the stated figures. The result means that for every 100 people in the working-age group, there are approximately 92 children and elderly people combined.

Related tags

Dependency RatioWorking-Age PopulationAge CalculationDependent ShareAge StructurePopulation CompositionGeographyClass 12 Mcq

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