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If there are 2800 births, 2100 deaths and net migration is negative 1000, what will the total change be?

Answer and explanation

Correct answer: Decrease of 300

The correct answer is A: a decrease of 300. First calculate natural increase: births minus deaths = 2800 − 2100 = 700. Next include net migration. A negative net migration of 1000 means the area loses 1000 more people through migration than it gains. Therefore total change = natural increase + net migration = 700 + (−1000) = −300. The minus sign means a decline of 300 people. B reverses the sign and calls the decline an increase. C gives only the natural increase and ignores migration. D adds the figures without recognising that deaths and negative migration reduce population. Memory cue: positive natural increase can still become total decline when migration loss is larger.

Related tags

Negative MigrationNatural IncreaseTotal DeclineProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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