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Why are initial and final population figures compared when calculating population growth?

Answer and explanation

Correct answer: To determine the actual change in population

Population growth means the change in population size over a period of time. To measure that change, we need a starting figure and an ending figure. Subtracting the initial population from the final population gives the absolute increase or decrease; the result can also be expressed as a percentage of the initial population.

For example, if a population rises from 100,000 to 120,000, the change is 20,000 people. Comparing the two figures reveals the actual change. Area, soil fertility, and climate type are different geographical measures and cannot be found by comparing population totals. Therefore option A is correct.

Related tags

Initial PopulationFinal PopulationAbsolute GrowthPopulation CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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