Fertility Rates Cut In Half Since 1950

The world's total fertility rate has been cut in half since 1950, but the population is still rising, according to a study published Wednesday in The Lancet.

Topics:  lancet   fertility   cut   
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BING SEARCH:
  • Sub-replacement fertility
    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. In developed countries sub-replacement fertility is any rate below approximately 2.1 children born per woman, but the threshold can be as high as 3.4 in some developing countries because of higher mortality rates.
    04/19/2019 - 4:53 pm | View Website
  • Total fertility rate
    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 lifetime, and
    04/19/2019 - 12:07 pm | View Website
  • Fertility Rate
    This entry focuses on the number of births per woman in a population. The most commonly used metric is the Total Fertility Rate (TFR) – or often simply 'fertility rate' – which measures the average number of children per woman. 1 The global average fertility rate is just below 2.5 children per woman today.
    04/18/2019 - 10:02 pm | View Website
  • ASRM 2015: Sperm Count and IUI Pregnancy Rates
    New Study Provides Better Predictions for Intrauterine Insemination (IUI) Pregnancy Rates Based on the Number of Moving Sperm. Intrauterine insemination (IUI) is one of the most basic forms of fertility treatment and has provided many women and men who have struggled to conceive with the ability to build their families. Compared with more intensive treatments such as in vitro fertilization ...
    04/18/2019 - 5:52 pm | View Website
  • Data Sheets – Population Reference Bureau
    PRB’s World Population Data Sheet, one of our signature products, has been produced annually since its debut in 1962. This and other PRB data sheets are used by thousands of people worldwide as a ready reference for comparing key demographic and health indicators by country and region, and for population projections and analytical graphics that bring key data insights into focus.
    04/17/2019 - 10:04 pm | View Website
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