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Which is the most appropriate definition of population ageing?

Answer and explanation

Correct answer: An increase over time in the proportion of older age groups

Population ageing is a structural demographic change in which older age groups account for a rising share of the total population over time. It can result from lower fertility, longer life expectancy, and the ageing of large cohorts. It is not merely the normal biological ageing of individuals, because demography examines changes in population proportions. A population may grow while remaining youthful or decline while becoming older. Therefore, ageing means a relative shift in age composition, not simply an increase in total numbers.

Related tags

Population AgeingElderly ShareAge CompositionDemographic ChangeAge StructurePopulation CompositionGeographyClass 12 Mcq

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