United States

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Location: United States
Topic: Multiple deliveries by maternal age
Format: Bar Graph
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Multiple deliveries by maternal age: United States, 2011-2013 Average

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• In the United States in 2013, the multiple birth ratio was 34.8 per 1,000 live births. 
• In the United States during 2011-2013 (average), the multiple birth ratio (per 1,000 live births) was highest for women ages 40 and older (72.0), followed by women ages 30-39 (44.9), ages 20-29 (27.7) and under age 20 (15.9). 


  • Multiple deliveries include twin, triplet and higher order deliveries.


  • National Center for Health Statistics, final natality data.
  • Retrieved December 01, 2015, from www.marchofdimes.org/peristats.