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If a country has a birth rate of 30 per thousand and a death rate of 10 per thousand, what is the natural increase difference?

Answer and explanation

Correct answer: 20 per thousand

Answer: C, 20 per thousand. Natural increase is the change in population caused only by births and deaths, without considering migration. Its formula is: natural increase rate = birth rate − death rate. Here, the calculation is 30 per thousand − 10 per thousand = 20 per thousand. This means that, for every thousand people, births exceed deaths by 20. Option A is only the death rate, not the difference between births and deaths. Option B adds the two rates, but deaths must be subtracted because they reduce population. Option D divides 30 by 10, which is not the required operation. Remember: when both birth and death rates are given, subtract deaths from births.

Related tags

Natural IncreaseBirth RateDeath RatePopulation CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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