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A country records 1.8 million births, 1.1 million deaths, and net out-migration of 0.9 million. What is the total population change?

Answer and explanation

Correct answer: Decrease of 0.2 million

Total population change equals natural increase plus net migration. Births add people, deaths remove people, and net out-migration also removes people. The figures are in millions, so they can be combined directly after using the appropriate signs.

Natural increase is \(1.8 - 1.1 = 0.7\) million. Net out-migration of 0.9 million is a loss, so total change is \(0.7 - 0.9 = -0.2\) million. Thus, the population decreases by 0.2 million, or 2 lakh people. Therefore, option A is correct. The positive natural increase is smaller than the migration loss.

Related tags

Natural IncreaseOut MigrationTotal Population DeclineDemographic BalancePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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