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A city has positive net migration but negative natural increase. Under what condition will total population remain stable?

Answer and explanation

Correct answer: When the magnitudes of the two are equal

Total population change is the sum of natural increase and net migration. Natural increase equals births minus deaths. If natural increase is negative, the population is losing people naturally. Positive net migration can offset that loss, but for the total population to remain unchanged, the gain from migration must exactly equal the natural decrease.

For example, if natural change is \(-5,000\) and net migration is \(+5,000\), the total change is \(-5,000+5,000=0\). Therefore, option A is correct: the magnitudes must be equal and the signs opposite. If migration were smaller, population would fall; if it were larger, population would rise. Births being zero alone does not establish stability.

Related tags

Population BalanceNegative Natural IncreasePositive MigrationStable PopulationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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