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If a country has a population of 80 million and a natural increase rate of -2.25 per thousand, what is the natural change in one year?

Answer and explanation

Correct answer: Decrease of 180000

A natural increase rate measures the change caused only by births and deaths; it does not include migration. A rate of \(-2.25\) per thousand means that, on average, the population loses 2.25 people for every 1,000 people in one year. The negative sign shows a natural decrease rather than a natural increase.

The calculation is \(80{,}000{,}000 \times \frac{-2.25}{1000} = -180{,}000\). The minus sign indicates a loss, so the natural change is a decrease of 180,000 people. Migration could alter the total population change, but it is not part of this calculation. Therefore, option C is correct; the other numerical choices do not result from applying the given rate to 80 million.

Related tags

Negative Natural IncreasePopulation DeclinePer Thousand CalculationNatural ChangePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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