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In a country, the death rate falls but the birth rate falls even faster. What may happen to natural increase?

Answer and explanation

Correct answer: It may decline

Natural increase is the difference between the birth rate and the death rate: \(\text{birth rate}-\text{death rate}\). Both rates may fall at the same time, but the important issue is which one falls faster. If the birth rate drops more rapidly than the death rate, the gap between births and deaths becomes smaller. Consequently, natural increase can decline, even though the death rate itself is also falling.

For example, if birth and death rates change from 30 and 10 to 18 and 8, natural increase changes from 20 to 10 per thousand. This illustrates why option B, “it may decline,” is the most suitable answer. It need not always rise sharply, double, or depend only on migration. The exact result requires actual rates, so “may” is appropriately cautious.

Related tags

Birth Rate DeclineDeath Rate DeclineNatural IncreasePopulation TrendPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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