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If there are 2,000 births, 2,200 deaths, 900 in-migrants, and 300 out-migrants, what is the total population change?

Answer and explanation

Correct answer: An increase of 400

Direct answer: A, an increase of 400, is correct. Calculate the two parts separately. First find natural change: births minus deaths = 2,000 − 2,200 = −200, so deaths exceed births by 200 and natural change is a decrease of 200. Next find net migration: in-migration minus out-migration = 900 − 300 = +600. Now combine them: total change = natural change + net migration = −200 + 600 = +400. Therefore, the population increases by 400 people. B gives only the natural decrease and ignores migration. C gives only the net migration and ignores the natural decrease. D incorrectly adds all four figures, treating deaths and out-migration as if they increased population. Memory cue: total change = (births − deaths) + (in-migration − out-migration). Keep additions positive and reductions negative.

Related tags

BirthsDeathsNet MigrationTotal Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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