Population growth rate refers to the rate at which a given population increases in size over a specific period, typically expressed as a percentage. This metric helps to understand demographic changes, informing policies and predicting future societal needs. By analyzing this rate, one can infer patterns such as birth and death rates, migration trends, and how these factors relate to the age structure of a population, often visualized through population pyramids. Additionally, understanding the growth rate is essential for evaluating the effectiveness of various population policies aimed at controlling or encouraging growth.
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