Birthweight and Gestation
Data are for the U.S.
- Number of babies born low birthweight (less than 2500 grams): 297,604
- Percent born low birthweight: 8.24%
- Percent born very low birthweight (less than 1500 grams): 1.34%
- Number of preterm births: 364,487
- Percent born preterm: 10.09%
Source: Births: Final Data for 2020, tables 13, 20, and 22 [PDF – 1 MB]
More data
- Birth data
- Prepregnancy Body Mass Index and Infant Outcomes by Race and Hispanic Origin: United States, 2020 [PDF – 364 KB]
- Exploring the Decline in the Singleton Preterm Birth Rate in the United States, 2019-2020
- Maternal Characteristics and Infant Outcomes in Appalachia and the Delta [PDF – 1 MB]
- Describing the Increase in Preterm Births in the United States, 2014-2016
- Singleton Low Birthweight Rates, by Race and Hispanic Origin: United States, 2006–2016
- Maternal Characteristics of Prenatal WIC Receipt in the United States, 2016
Page last reviewed: May 16, 2022
Content source: CDC/National Center for Health Statistics