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If natural increase is positive but net migration is even more negative, what will happen to total population?

Answer and explanation

Correct answer: It may decline

Total population change can be represented as natural increase plus net migration: \(\Delta P=\text{natural increase}+\text{net migration}\). Natural increase is positive when births exceed deaths, but net migration is negative when more people leave than enter. If the negative migration value is larger in magnitude than the positive natural increase, the sum becomes negative.

For example, a natural increase of 200 combined with net migration of \(-300\) gives a total change of \(-100\). The population would therefore decline, so option D is correct. It need not decline in every situation unless “even more negative” is interpreted by magnitude, as the question intends. The other options ignore the offsetting effect of out-migration.

Related tags

Positive Natural IncreaseNegative MigrationTotal DeclinePopulation ArithmeticPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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