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A country has a birth rate of 15 per thousand and a death rate of 5 per thousand. If total growth is 0.6 percent, what is the net migration rate?

Answer and explanation

Correct answer: Negative 4 per thousand

Total growth equals natural increase plus net migration. First calculate natural increase from the birth and death rates. Then express the given total growth in the same unit, subtract natural increase from total growth, and interpret the sign of the result. A negative answer indicates net out-migration.

Natural increase is \(15-5=10\) per thousand, or 1.0 percent. Total growth of 0.6 percent equals 6 per thousand. Therefore, net migration is \(6-10=-4\) per thousand. The country’s natural increase is partly cancelled by more people leaving than entering. Hence option A, negative 4 per thousand, is correct.

Related tags

Net Migration RateNatural GrowthTotal GrowthReverse CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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