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If the share of elderly population is rising and the birth rate is low, which outcome is likely?

Answer and explanation

Correct answer: Natural increase may become low or negative

Natural increase depends mainly on the balance between births and deaths. A low birth rate means fewer new people are added. If the share of elderly people is rising, deaths may become relatively more numerous because older populations generally contain more people at ages when mortality is higher. Consequently, the difference between births and deaths can become small or fall below zero.

Therefore, option B is correct: natural increase may become low or negative. This is a likely outcome, not an unavoidable one, because migration and age-specific mortality can affect total population and the exact rate. Low births do not automatically rise, and the population cannot be assumed to double. Options A, C, and D contradict the demographic relationship described.

Related tags

Ageing PopulationLow Birth RateNatural DecreasePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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