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  2. Total fertility rate - Wikipedia

    en.wikipedia.org/wiki/Total_fertility_rate

    A 2023 map of countries by fertility rate. Blue indicates negative fertility rates. Red indicates positive rates. The total fertility rate (TFR) of a population is the average number of children that are born to a woman over her lifetime, if they were to experience the exact current age-specific fertility rates (ASFRs) through their lifetime, and they were to live from birth until the end of ...

  3. Gross reproduction rate - Wikipedia

    en.wikipedia.org/wiki/Gross_reproduction_rate

    The gross reproduction rate (GRR) is the average number of daughters a woman would have if she survived all of her childbearing years, which is roughly to the age of 45, subject to the age-specific fertility rate and sex ratio at birth throughout that period. This rate is a measure of replacement fertility if mortality is not in the equation. [1]

  4. Fertility - Wikipedia

    en.wikipedia.org/wiki/Fertility

    Total fertility rate in Korea. South Korea has the lowest fertility rate in the world at 0.78. [58] A variety of explanations have been proposed, ranging from investment in education [59] to birth control, abortion, a decline in the marriage rate, divorce, female participation in the labor force, and the 1997 Asian financial crisis. [60]

  5. Sub-replacement fertility - Wikipedia

    en.wikipedia.org/wiki/Sub-replacement_fertility

    A map of when European fertility rates fell below replacement levels Map of countries by crude birth rate. Map of countries by total fertility rate. 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.

  6. Global fertility rates to plunge in decades ahead, new report ...

    www.aol.com/global-fertility-rates-plunge...

    A new study projects that global fertility rates, which have been declining in all countries since 1950, will continue to plummet through the end of the century, resulting in a profound ...

  7. Population momentum - Wikipedia

    en.wikipedia.org/wiki/Population_momentum

    Fertility rates must level off to the replacement rate (the net reproduction rate should be 1). If the fertility rate remains higher than the replacement rate, the population would continue to grow. 2. Mortality rate must stop declining, that is, it must remain constant. 3. Lastly, the age structure must adjust to the new rates of fertility and ...

  8. 25 Countries with Highest Fertility Rates - AOL

    www.aol.com/news/25-countries-highest-fertility...

    In this article, we will be taking a look at the 25 countries with highest fertility rates. To skip our detailed analysis, you can go directly to see 10 Countries With Highest Fertility Rates.

  9. Fecundity - Wikipedia

    en.wikipedia.org/wiki/Fecundity

    Fecundity is defined in two ways; in human demography, it is the potential for reproduction of a recorded population as opposed to a sole organism, while in population biology, it is considered similar to fertility, [1] [2] [3] the natural capability to produce offspring, [4] measured by the number of gametes (eggs), seed set, or asexual ...