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Why can natural increase be low in an ageing population area?

Answer and explanation

Correct answer: Because the proportion of child-bearing groups may be low

Answer: A is correct. Natural increase depends mainly on the relationship between births and deaths. In an ageing population, older age groups form a larger share of the total population, while the proportion of people in child-bearing ages may be smaller. This can lead to a lower birth rate and therefore a smaller natural increase. Deaths may also be relatively numerous because the population contains more older people, although the exact result depends on health and other conditions. A is correct because it identifies the likely age-structure reason. B is wrong because deaths do occur in every population. C is wrong because outside arrivals describe in-migration, not ageing itself. D is wrong because land area does not automatically increase natural population growth. Memory cue: an older age structure usually means fewer potential parents.

Related tags

Ageing-PopulationNatural-IncreaseBirth-RateAge-StructurePopulation GrowthPopulationGeographyClass 9 Mcq

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