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Why can it be wrong to conclude rapid population growth from a high birth rate alone when both birth and death rates are high?

Answer and explanation

Correct answer: Because natural increase depends on the difference between the two rates

A high birth rate does not by itself tell us how rapidly population is increasing. Natural increase depends on the difference between the birth rate and the death rate. If both rates are high and nearly equal, many people may be born, but nearly as many people may die. The resulting difference can therefore be small, producing slow or moderate population growth.

For example, a birth rate of 40 per thousand and a death rate of 38 per thousand give a natural increase of only 2 per thousand. Thus option A is correct. Option B is wrong because birth rate is related to population change. Option C wrongly limits the effect of mortality to migration, and option D makes an unsupported absolute claim. The supplied answer is accurate.

Related tags

High Birth RateHigh Death RateNatural IncreasePopulation AnalysisPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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