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If there are 800 births, 1100 deaths and net migration of 500, what will be the total change?

Answer and explanation

Correct answer: Increase of 200

Answer: B, an increase of 200. Apply total change = births − deaths + net migration. The natural change is 800 − 1100 = −300, meaning a natural decrease of 300. Net migration is positive 500, so it adds 500 people to the region: −300 + 500 = +200. Thus the final total population change is an increase of 200. A, a decrease of 300, gives only the natural change and ignores migration. C, an increase of 500, counts migration but ignores the loss caused by deaths exceeding births. D, 1900, incorrectly adds the figures instead of applying their signs. The plus sign on net migration is important. Memory cue: first calculate the natural balance, then add positive or negative net migration.

Related tags

Net MigrationNatural DecreaseTotal GrowthProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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