QuickStats: Infant, Neonatal, and Postneonatal Annual Mortality Rates* --- United States, 1940--2005
* Per 1,000 live births for each group: infant (age <1 year), neonatal (age <28 days), and postneonatal (age 28 days to <1 year).
From 1940 to 2005 (most recent data available), infant, nenonatal, and postneonatal annual mortality rates in the United States declined substantially. The infant mortality rate decreased 85%, from 47 infant deaths per 1,000 live births in 1940 to 6.87 in 2005. During the same period, substantial changes also occurred in the neonatal rate, which decreased 84%, from 28.8 to 4.54 deaths per 1,000 live births, and the postneonatal rate, which decreased 87%, from 18.3 to 2.34 deaths per 1,000 live births.
SOURCE: Kung HC, Hoyert DL, Xu J, Murphy SL. Deaths: final data for 2005. Natl Vital Stat Rep 2008;56(10). Available at http://www.cdc.gov/nchs/data/nvsr/nvsr56/nvsr56_10.pdf.
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Date last reviewed: 4/9/2008
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