Birth ratesTeenagersVital statisticsHealth statisticsDeclineTrendsHispanic AmericansPopulation dynamicsEthnic groupsChildbearingTeen childbearing has been generally on a long-term decline in the United States since the late 1950s. In spite of these declines, the U.S. teen birth rate remains one of the ...
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American Fertility in Transition: New Estimates of Birth Rates in the United States, 1900-1910 This article presents new estimates of age-specific overall and marital fertility rates for the entire United States for the period 1900-1910. The estimati... MR Haines - 《Demography》 被引量: 70...
Twin birth rates in the United States 1980-2022, by ethnicity Leading U.S. states with highest average twin birth rates 2022 Discover Statista Statista Search Statista Search Need help with using Statista for your research? Tutorials and first steps Further...
Chlamydia rates in the United States 2022, by race/ethnicity and gender Share of U.S. women who used contraception as of 2022, by race and ethnicity U.S. high school students condom usage 2021, by sex U.S. high school students who were tested for STDs in the past year, 2023...
This United States trend was noted as early as 2002 (Santelli et al., 2007) and continues in recent years as birth control availability and use continues to improve. Birth rates continue to decline for nearly all age groups of women under age 35 but rise for women in their late 30s ...
Overall, birth rates have plummeted for Americans over the past five decades: "Between 1976 and 2018, the mean number of children ever born per woman declined, from three children to two," according to the report's authors,Gladys MartinezandKimberly Daniels. ...
Dynamics of Population: Social and Biological Significance of Changing Birth Rates in the United StatesTHIS book consists of four parts, the first of which, entitled "Population Trends of American Groups", discusses, in four chapters, first the trend of the national population, and then the ...
If a country experiences unusually high sustained fertility rates, it may need to build additional schools or expand access to affordable child care. This occurred in the United States during the post-World War II baby boom era. During this period, the TFR peaked at about 3.8, roughly twice ...
In fact, "delayed childbearing, having a first child at age 35 or over, [has] increased ninefold between 1972 and 2012," the authors noted. Overall,birth ratesamong women in their 40s have charted steady increases since 1985. According to the report, the reasons for these trends are many...