Birthweight and Gestation

(Data are for the U.S.)

 

• Number of babies born low birthweight (less than 2500 grams): 325,563
• Percent born low birthweight: 8.2%
• Percent born very low birthweight: 1.4%
• Number of preterm births: 478,790
• Percent born preterm: 12.0%

Source:  Births: Final Data for 2010, table 25 [PDF - 1.3 MB

 

More data

• Are preterm births on the decline in the United States? [PDF - 1.1 MB]
• Birth data
• Born a bit too early: recent trends in late preterm births [PDF - 691 KB]
• VitalStats - Online data tool