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If the natural increase rate is five per thousand and net migration is minus eight per thousand, what will be the total growth rate?

Answer and explanation

Correct answer: Minus three per thousand

The direct answer is B: minus three per thousand. Total population growth combines natural increase and net migration. Natural increase is the balance between births and deaths, while net migration is the balance between people entering and leaving. Keep the signs while adding: +5 per thousand + (−8 per thousand) = −3 per thousand. The negative result means that, overall, the population decreases by three persons per thousand during the stated period, assuming both rates use the same base and time period. Option A, +3, loses the negative sign and gives the wrong direction. Option C, +13, adds the numerical magnitudes as if both changes increased population. Option D, zero, incorrectly assumes that the two values cancel completely. Memory cue: always write the plus or minus sign before adding demographic rates.

Related tags

Natural IncreaseNet MigrationTotal Growth RatePopulation GrowthPopulationGeographyClass 9 Mcq

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