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If total growth is -0.7 percent and natural increase is +0.8 percent, what is the net migration rate?

Answer and explanation

Correct answer: -1.5 percent

Total population growth is the sum of natural increase and net migration. Rearranging this relationship gives net migration as total growth minus natural increase. Percentages must be kept with their signs: positive natural increase adds people, while negative net migration removes people.

The calculation is \(-0.7-0.8=-1.5\) percent. Therefore, net migration is -1.5 percent, so option A is correct. The negative sign indicates net out-migration. Although natural increase added 0.8 percent, an outflow of 1.5 percent was larger, leaving total growth at -0.7 percent.

Related tags

Net Out MigrationTotal DeclineNatural IncreaseGrowth Rate CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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