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A country has a birth rate of 28 per thousand and a death rate of 12 per thousand. If net migration is negative 6 per thousand, what is the total growth rate in percent?

Answer and explanation

Correct answer: 1.0 percent

Total population growth combines natural increase with net migration. Natural increase is calculated as birth rate minus death rate: \(28-12=16\) per thousand. Net migration is negative 6 per thousand, meaning 6 more people per thousand leave than enter. Therefore total growth is \(16+(-6)=10\) per thousand. Since 1 per thousand equals 0.1 percent, 10 per thousand equals \(1.0\) percent.

Option B is correct. The negative migration rate must be subtracted from the natural increase, rather than added as a positive number. Option A would correspond to only 6 per thousand, option C would incorrectly treat the natural increase as the final percentage, and option D would ignore the negative migration effect or combine values incorrectly. Thus the country’s total growth rate is a positive 1.0 percent.

Related tags

Birth Death MigrationTotal Growth RatePer Thousand ConversionPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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