United States

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Location: United States
Topic: Birth rates by maternal age
Format: Bar Graph
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Birth rates by maternal age: United States, 2012-2014 Average

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• In the United States during 2012-2014 (average), the highest birth rates per 1,000 women were to women ages 20-29 (93.2), followed by women ages 30-39 (75.0), ages 15-19 (26.7) and ages 40 and older (11.2). 
• Of all live births in the United States during 2012-2014 (average), 7.1% were to women under the age of 20, 51.3% were to women ages 20-29, 38.7% were to women ages 30-39, and 3.0% were to women ages 40 and older. 


  • Birth rates presented for 1990-1999 are calculated using Census 1990-based population estimates. Calculations for 2000-2009 use Census 2000-based population estimates. Calculations beginning in 2010 use Census 2010-based population estimates. Information is available at: http://www.cdc.gov/nchs/nvss/bridged_race.htm. The rates shown may differ from rates computed on the basis of other population estimates.


  • National Center for Health Statistics, final natality data.
  • US Census Bureau. Population estimates based on bridged race categories released by the National Center for Health Statistics.
  • Retrieved March 29, 2017, from www.marchofdimes.org/peristats.