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One country's population rises from 8 million to 8.8 million. Another rises from 80 million to 84 million over the same period. Which country has the higher percentage growth?

Answer and explanation

Correct answer: First country

Answer: A, the first country. Percentage growth is calculated as: increase ÷ original population × 100. In the first country, the increase is 8.8 − 8 = 0.8 million, so growth is 0.8 ÷ 8 × 100 = 10%. In the second country, the increase is 84 − 80 = 4 million, so growth is 4 ÷ 80 × 100 = 5%. Thus, the second country adds more people in absolute numbers, but the first country grows faster relative to its original size. A is correct because its relative increase is 10%. B is wrong because 4 million is only the absolute increase, not the percentage growth. C is wrong because 10% and 5% are different. D is wrong because density is not needed; the initial and final populations are sufficient. Memory cue: always divide the increase by the starting population, not the final population.

Related tags

Percentage GrowthAbsolute GrowthPopulation GrowthRelative ChangeThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeographyClass 12 Mcq

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