Birthweight and Gestation
Data are for the U.S.
- Number of babies born low birthweight (less than 2500 grams): 318,873
- Percent born low birthweight: 8.28%
- Percent born very low birthweight: 1.41%
- Number of preterm births: 382,726
- Percent born preterm: 9.93%
Source: Births: Final Data for 2017, tables 21, 23, I-19, I-21 pdf icon[PDF – 1.1 MB]
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Page last reviewed: March 31, 2017
Content source: CDC/National Center for Health Statistics