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Which components are most appropriate for understanding total population change?

Answer and explanation

Correct answer: Births, deaths, and net migration

Total population change has three main components: births, deaths, and net migration. Births add people to the population, while deaths remove people. Net migration is the number entering minus the number leaving during the period. A country can therefore grow even with relatively few births if it receives many migrants, or it can lose population if deaths and outward migration together exceed births.

Option C is correct because it includes all three components needed for a complete demographic account. In simplified form, population change equals births minus deaths plus net migration. Births alone cannot explain movement caused by mortality or migration; deaths alone show only one reducing component. Land area is not a direct component of population change, although it may influence density and settlement. The conclusion is based on the demographic balance, not merely the number of births.

Related tags

Population ComponentsBirth Death MigrationTotal Population ChangeDemographyPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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