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If there are 2400 births, 1500 deaths and net migration of negative 600, what will be the total population change?

Answer and explanation

Correct answer: 300

Answer: A, 300. Use the formula total change = births − deaths + net migration. First find natural increase: 2400 − 1500 = 900. The net migration is negative 600, which means the region lost 600 more people through migration than it gained, so subtract 600 from the natural increase: 900 + (−600) = 300. Therefore, the population increases by 300 people overall. B, 900, is only the natural increase and ignores the negative migration. C, 1500, does not follow the population-change formula and may result from an incorrect combination of figures. D, 3900, adds births and deaths without subtracting deaths or considering the negative migration. Memory cue: calculate births minus deaths first, then add net migration with its sign.

Related tags

Total Population ChangeNet MigrationPopulation CalculationProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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