Decline in teenagers' birth rates in U.S. is historic but uneven

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New evidence from the Centers for Disease Control and Prevention on Wednesday morning points to the ongoing and significant drop in the U.S. teen birth rate over the past 20-plus years.

The birth rate for teens ages 15-19 was 26.6 births per 1,000 in 2013, down 57 percent from the rate of 61.8 births per 1,000 in 1991, according to the CDC's National Center for Health Statistics.

The CDC attributes the 20-year decline to decreased sexual activity among teens, as well as more frequent use of contraception. As you would imagine, this historic decline in the teen birth rate has looked differently across states, races and age. The CDC report highlights some important ways in how this decline hasn't played out quite evenly.

The birth rates for the 10-14, 15-17 and 18-19 age brackets were all at record lows in 2013. The decline has been much greater, though, for girls 15-17. The 12.3 birth per 1,000 rate for teens 15-17 fell 68 percent since 1991, compared to 50 percent for teens 18-19, whose rate is 47.3 births per 1,000. More recently, the decline in birth rates since 2007 has also been greater for the 15-17 group (43 percent compared to 34 percent).

Biggest declines

The teen birth rate has declined across all racial groups since 1991, but the steepest declines have been recorded among Asian-Pacific Islanders (64 percent) and non-Hispanic blacks (63 percent). API teens currently have the lowest birth rate overall (9.7 per 1,000), while Hispanic teens have the highest rate among the racial groups (46.3 percent). Still, the rate for Hispanic teens has fallen the fastest since 2007 (39 percent), and the CDC notes that the birth rates across most racial and Hispanic ethnicity groups is narrowing.

States have taken different approaches to reducing teen births, with differing results. Every state has seen a decline since 1991, but rates continue to be lowest in the Northeastern states and higher in the South. New England states all had teen birth rates under 20 per 1,000, with New Hampshire's the lowest at 13.8. Eight states had rates above 40 per 1,000, with New Mexico the highest at 47.5. The District of Columbia joined four states in seeing declines of more than 60 percent since 1991.

U.S. could do better

The good news for America is somewhat tempered by the fact that our teen birth rate still ranks among some of the highest for developed countries. While countries like Denmark, Switzerland and Japan recorded teen birth rates under 5 per 1,000, the United States finds itself among seven of 31 countries highlighted by the CDC with rates exceeding 20 births per 1,000 teens.

Though the United States lags behind other countries, the CDC says the progress made since 1991 has amounted to 4 million fewer teen births. Citing research from the National Campaign to Prevent Teen and Unplanned Pregnancy, the CDC says this also saved taxpayers an estimated $12 billion alone in 2010 from costs associated with government-funded health care, child welfare and higher incarceration rates of teen moms.