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If the death rate falls sharply several years before the birth rate begins to fall, what type of population change is expected during the interval?

Answer and explanation

Correct answer: Rapid natural increase

Natural increase is determined by the difference between the birth rate and the death rate; migration is separate. When the death rate falls sharply but the birth rate remains high for several years, many fewer people die while births continue at roughly the earlier level. The gap between births and deaths therefore becomes large and positive.

This situation is typical of the early part of demographic transition. Improved sanitation, nutrition, and medical care can reduce mortality before families begin to prefer smaller numbers of children. As a result, population grows rapidly through natural increase during the interval. Option A is correct. Zero or negative growth would require births not to exceed deaths, and migration is not needed to explain this change.

Related tags

Mortality DeclineNatural IncreaseDemographic TransitionPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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