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QuickStats: Infant, Neonatal, and Postneonatal Annual Mortality Rates* --- United States, 1940--2003


* Deaths per 1,000 live births for each group: infant (age <1 year), neonatal (age <28 days), and postneonatal (age 28 days to <1 year).

Infant, neonatal, and postneonatal annual mortality rates in the United States mostly declined during 19402003. The most recent data indicate that, from 2002 to 2003, the infant mortality rate declined from 6.97 per 1,000 live births to 6.85, and the postneonatal mortality rate declined from 2.31 to 2.23. The neonatal rate did not change significantly.

SOURCE: Hoyert DL, Heron M, Murphy SL, Kung HC. Deaths: final data for 2003. Health E-Stats. Hyattsville, MD: US Department of Health and Human Services, CDC; 2006. Available at

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Date last reviewed: 3/2/2006


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