Of the nearly 4 million babies born in the United States in 2010 (the most recent full year of data available), fewer than 375,000 were to mothers under the age of 20...
- Highest teen birth rate in Mississippi (55 births per 1,000 women age 15-19)
- Lowest rate in New Hampshire (15.7 per 1,000)
- Pregnancy, abortion, and fetal death rate also fell, suggesting contraceptive use is to credit for the decline in births
- National rate in 2010 (17.3) is less than half the teen birth rate in 1991 (38.6) for mothers age 15-17
Data source: "Births: Final Data for 2010." August 2012. U.S. Centers for Disease Control and Prevention.