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A country has a natural increase of 100000 and net migration of negative 150000. What will be the total population change?

Answer and explanation

Correct answer: Decrease of 50000

Total population change combines natural increase with net migration. Natural increase is the excess of births over deaths, while net migration is calculated by subtracting people leaving from people entering. A negative net migration means that more people left the country than entered it. The relevant calculation is \(\text{Total change} = \text{Natural increase} + \text{Net migration}\). Substituting the values gives \(100000 + (-150000) = -50000\).

The negative sign means that the country experienced a net decrease of 50,000 people. The natural increase of 100,000 partly offsets the migration loss of 150,000, leaving a difference of 50,000 lost. Therefore, option C is correct. Option A would result if the signs were ignored, while B treats the migration loss as a gain. Option D incorrectly adds the absolute values instead of respecting the negative sign.

Related tags

Negative Net MigrationNatural IncreaseTotal Population ChangePopulation DeclinePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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