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If a country has 24 million people aged 0-14, 56 million aged 15-64, and 8 million aged 65 and above, what is the total dependency ratio?

Answer and explanation

Correct answer: About 57

The dependency ratio compares dependent-age people with the working-age population. Here, children aged 0–14 and older people aged 65 and above are counted as dependents. Their total is 24 million + 8 million = 32 million. The working-age group, aged 15–64, contains 56 million people.

The total dependency ratio is calculated as \(\frac{32}{56}\times100\). Since \(32\div56\) is about 0.5714, the result is about 57.1 dependents per 100 working-age people, or approximately 57. It is not 43, because that would omit or mishandle one dependent group. Therefore option B is correct.

Related tags

Dependency RatioPopulation CalculationDependent PopulationAge StructurePopulation CompositionGeographyClass 12 Mcq

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