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A country has a birth rate of 22 per thousand and a death rate of 10 per thousand. If there is no migration, what is the approximate total growth rate in percent?

Answer and explanation

Correct answer: 1.2 percent

The correct answer is B: approximately 1.2 percent. First find natural increase: birth rate − death rate = 22 − 10 = 12 per thousand. Because there is no migration, net migration is zero, so total growth equals natural increase. Convert 12 per thousand to percent by dividing by 10: 12 ÷ 10 = 1.2 percent. Option A, 0.12 percent, is ten times too small. Option B correctly subtracts deaths, accounts for zero migration, and converts the unit. Option C repeats 12 without changing per thousand to percent. Option D uses the birth rate approximately rather than the difference between births and deaths. Memory cue: with no migration, total growth = births − deaths; then divide a per-thousand result by 10.

Related tags

Natural IncreaseZero MigrationTotal Growth RatePer-Thousand ConversionPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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