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Answer» What is Total Fertility Rate mean? The total fertility rate (TFR), sometimes also called the fertility rate, absolute/potential natality, period total fertility rate (PTFR), or total period fertility rate (TPFR) of a population is the average number of children that would be born to a woman over her lifetime if: she was to experience the exact current age-specific fertility rates (ASFRs) through her lifetimeshe was to live from birth until the end of her reproductive life.It is obtained by summing the single-year age-specific rates at a given time. As of 2020, the total fertility rate varied from 0.84 in South Korea to 7.0 in Niger. reference
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