The increase in the number of people in a country over the course of a year is typically referred to as "population growth." This growth can be quantified using various measures, including:
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Natural Increase: This is the difference between the number of live births and the number of deaths in a population over a specific period, usually a year.
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Net Migration: This reflects the difference between the number of people moving into a country (immigration) and those moving out (emigration). Positive net migration contributes to population growth.
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Total Population Change: This includes both natural increase and net migration, providing a complete picture of how a population is changing over time.
Population growth can be influenced by various factors, including economic conditions, healthcare availability, cultural attitudes toward family size, immigration policies, and more.