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If the birth rate is 15 per thousand, death rate is 19 per thousand, and net migration is +6 per thousand, what is the total growth rate?

Answer and explanation

Correct answer: +2 per thousand

Total population growth combines natural change with net migration. Natural change is calculated by subtracting the death rate from the birth rate. Net migration is then added, with its sign showing whether migration adds to or subtracts from population. All rates here use the same unit, per thousand, so they can be combined directly.

Natural change is \(15-19=-4\) per thousand, meaning deaths exceed births by four per thousand. Adding net migration gives \(-4+6=+2\) per thousand. Thus the population still grows overall by 2 per thousand, because inward migration more than compensates for the natural decrease. Option C is correct; +6 per thousand alone ignores the natural component.

Related tags

Natural DecreasePositive MigrationTotal Growth RateDemographic BalancePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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