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A region has a population of 2 million and an annual growth rate of negative 0.5 percent. Approximately how many people will it lose in one year?

Answer and explanation

Correct answer: 10000

A negative growth rate means the population decreases rather than increases. To find the yearly loss, convert the percentage to a decimal and multiply it by the starting population. A rate of 0.5 percent is \(0.005\), because percent means per hundred. The minus sign indicates direction, while the multiplication gives the size of the change.

For a population of 2,000,000, the loss is \(2000000\times0.005=10000\) people. Thus the region loses approximately 10,000 people in one year, so option B is correct. The resulting population would be about 1,990,000, or 19.9 lakh, assuming the rate applies once and remains otherwise unchanged. It is a decrease, not an addition.

Related tags

Negative Growth RatePopulation DeclinePercentage CalculationAbsolute DecreasePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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