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The following list sorts countries and dependent territories by mean age at childbearing. The mean age at childbearing indicates the age of a woman at their childbearing events, if women were subject throughout their lives to the age-specific fertility rates observed in that given year. [1] In countries with very high fertility rates women can ...
The average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]
New moms are trending older—and have been for decades. Those giving birth in 2022 averaged older than 29, and those having their first child weren't far behind at about 27 years old.That's up ...
In the US, the average age at which women bore their first child advanced from 21.4 years old in 1970 [11] to 26.9 in 2018. [4]The German Federal Institute for Population Research claimed in 2015 the percentage for women with an age of at least 35 giving birth to a child was 25.9%.
United States Virgin Islands Country/Area 22.0 21.5 21.1 20.3 23.2 20.3 22.2 ... Compare the average age in each U.S. state, 2005–2014 Denver Post online article
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 ...
Teenage pregnancy in the United States occurs mostly unintentionally [1] and out of wedlock [2] [3] but has been declining almost continuously since the 1990s. [ 1 ] [ 4 ] [ 5 ] In 2022, the teenage birth rate fell to 13.5 per 1,000 girls aged 15 to 19, the lowest on record. [ 6 ]
The global average for the replacement total fertility rate, eventually leading to a stable global population, for the contemporary period, 2010–2015, is 2.3 children per female. [ 9 ] [ 10 ] Comparison ranking lists: