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What is replacement fertility?

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Sub-replacement fertility is a total fertility rate (TFR) that (if sustained) leads to each new generation being less populous than the older, previous one in a given area. read more

“Replacement level fertility” is the total fertility rate—the average number of children born per woman—at which a population exactly replaces itself from one generation to the next, without migration. read more

Replacement fertility is the total fertility rate at which women give birth to enough babies to sustain population levels. If there were no mortality in the female population from birth to the end of the childbearing years, the replacement level of TFR would be very close to 2.0. read more

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