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A country has fewer births than deaths, yet total population remains stable. Which factor can explain this?

Answer and explanation

Correct answer: Positive net migration is offsetting natural decrease

Total population change depends on natural change and net migration. Natural change is births minus deaths. If births are fewer than deaths, natural change is negative. However, people entering the country can compensate for that loss. Positive net migration means more people enter than leave. If the number entering is approximately equal to the natural decrease, the total population can remain stable. Therefore, option A correctly explains the situation.

For example, if deaths exceed births by 10000 and net migration adds 10000 people, the total change is \(-10000+10000=0\). High out-migration would make the population fall further, and equal births and deaths contradict the condition. Increasing land area does not directly add people. Thus, positive net migration is the relevant factor.

Related tags

Natural DecreasePositive MigrationStable PopulationDemographic BalancePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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