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Why is it important to examine both percentages and absolute numbers when studying age structure?

Answer and explanation

Correct answer: Because absolute numbers can change while percentages remain similar, and vice versa

The governing concept is the distinction between relative composition and population scale. A percentage tells us what share of the total population belongs to an age group, whereas an absolute number tells us how many people are actually in that group. Both are needed for sound demographic interpretation and planning. For example, an elderly share of 10 percent could represent one million people in a population of ten million, but ten million people in a population of one hundred million. The percentage is identical, yet the demand for hospitals, pensions and care services is very different. Option A is therefore correct. Options B and C wrongly reject useful measures, while D confuses demographic measurement with mapping.

Related tags

Population PercentageAbsolute NumberAge StructureDemographic AnalysisPopulation CompositionGeographyClass 12 Mcq

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