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  2. List of countries by total fertility rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_total...

    Replacement fertility is the total fertility rate at which women give birth to enough babies to sustain population levels, assuming that mortality rates remain constant and net migration is zero. [10] If replacement level fertility is sustained over a sufficiently long period, each generation will exactly replace itself. [10]

  3. List of countries by net reproduction rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_net...

    The net reproduction rate (R 0) is the number of surviving daughters per woman and an important indicator of the population's reproductive rate. If R 0 is one, the population replaces itself and would stay without any migration and emigration at a stable level.

  4. Natality in population ecology - Wikipedia

    en.wikipedia.org/wiki/Natality_in_population_ecology

    Along with mortality rate, natality rate is used to calculate the dynamics of a population. They are the key factors in determining whether a population is increasing, decreasing or staying the same in size. Natality is the greatest influence on a population's increase. Natality is shown as a crude birth rate or specific birth rate.

  5. Ajwain - Wikipedia

    en.wikipedia.org/wiki/Ajwain

    Ajwain or ajowan (Trachyspermum ammi) [3] (/ ˈ æ dʒ ə w ɒ n /) —also known as ajowan caraway, thymol seeds, bishop's weed, or carom—is an annual herb in the family Apiaceae. [4] Both the leaves and the seed ‑like fruit (often mistakenly called seeds) of the plant are consumed by humans.

  6. 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 ...

  7. Female infertility - Wikipedia

    en.wikipedia.org/wiki/Female_infertility

    A study in the US indicated that approximately 20% of infertile women had a past or current eating disorder, which is five times higher than the general lifetime prevalence rate. [ 16 ] A review from 2010 concluded that overweight and obese subfertile women have a reduced probability of successful fertility treatment and their pregnancies are ...

  8. Net reproduction rate - Wikipedia

    en.wikipedia.org/wiki/Net_reproduction_rate

    In population ecology and demography, the net reproduction rate, R 0, is the average number of offspring (often specifically daughters) that would be born to a female if she passed through her lifetime conforming to the age-specific fertility and mortality rates of a given year.

  9. List of countries by past fertility rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_past...

    This is a list of countries showing past fertility rate, ranging from 1950 to 2015 in five-year periods, as estimated by the 2017 revision of the World Population Prospects database by the United Nations Population Division. The fertility rate equals the expected number of children born per woman in her child-bearing years.

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