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Why can the study of age structure help estimate a country's future social needs?

Answer and explanation

Correct answer: Because today's age groups move into later age groups over time

Age structure shows how many people belong to different age groups, and these groups do not remain fixed. Children gradually become working-age adults, while working adults eventually enter older ages. By examining the present size of each group, planners can estimate future demand for schools, jobs, housing, health care, transport, and pensions. Births, deaths, and migration may change the exact outcome, so age structure does not provide a perfect prediction. It nevertheless gives an important starting point for understanding population needs over time.

Option A is correct because present age groups move through the life course and shape the size of future groups. Option B is false because age groups change as people grow older and as births and deaths occur. Option C is wrong because births and deaths directly affect age composition. Option D is too limited: total population matters, but its age distribution is also crucial for planning specific services.

Related tags

Cohort ProgressionFuture PlanningAge StructureSocial NeedsPopulation CompositionGeographyClass 12 McqRdgdfgdfg

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