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Infant Health

Data are for the U.S.

Live births

  • Number of births: 3,978,497
  • Percent of births with low birthweight (less than 5.5 pounds): 8.1%
  • Percent of births that are preterm (less than 37 weeks gestation): 9.6%

Source: Births: Final Data for 2015, tables 1, 18 [PDF – 1.9 MB]


  • Number of infant deaths: 23,215
  • Deaths per 100,000 live births: 582.1
  • Leading causes of infant deaths
    • Congenital malformations, deformations and chromosomal abnormalities
    • Disorders related to short gestation and low birthweight: not elsewhere classified
    • Newborn affected by maternal complications of pregnancy

Source: Deaths: Final Data for 2014, table 21 [PDF – 4.4 MB]

More data