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AP Human Geography
In this context, rates refer to the frequency or speed at which something occurs. It measures how often an event happens over a specific time period.
Birth Rate: The number of live births per 1,000 people in a population within a given year.
Death Rate: The number of deaths per 1,000 people in a population within a given year.
Migration Rate: The net change in population due to immigration (people moving into an area) and emigration (people leaving an area).