Preterm Births

Percent of Preterm Births, by State and Race of Mother, 2005
State Total* Non-Hispanic White Non-Hispanic Black

N/A: Figure does not meet standards of reliability or precision or no data is available.
*Includes races other than White and Black.
United States 12.7 11.7 18.4
Alabama 16.7 14.6 21.9
Alaska 10.6 9.5 16.8
Arizona 13.2 12.1 20.2
Arkansas 13.4 12.3 18.1
California 10.7 10.0 15.5
Colorado 12.3 11.7 16.5
Connecticut 10.4 9.6 15.2
Delaware 14.0 12.4 18.4
DC 15.9 9.4 19.5
Florida 13.8 12.2 18.5
Georgia 13.6 12.1 18.0
Hawaii 12.2 9.8 12.0
Idaho 11.4 11.2 N/A
Illinois 13.1 11.8 19.6
Indiana 13.5 12.8 18.5
Iowa 11.8 11.6 17.6
Kansas 12.2 11.9 16.9
Kentucky 15.2 14.8 19.8
Louisiana 16.5 13.3 21.4
Maine 10.7 10.7 11.7
Maryland 13.3 11.3 17.0
Massachusetts 11.3 10.7 15.8
Michigan 12.5 11.1 19.4
Minnesota 10.7 10.4 13.2
Mississippi 18.8 15.6 23.1
Missouri 13.3 12.1 19.9
Montana 11.4 10.9 N/A
Nebraska 12.2 11.6 17.1
Nevada 13.9 13.1 20.8
New Hampshire 10.5 10.2 20.9
New Jersey 12.5 11.1 17.4
New Mexico 13.1 12.7 17.5
New York 12.1 10.5 17.2
North Carolina 13.7 12.2 18.8
North Dakota 11.5 10.9 N/A
Ohio 13.0 12.1 18.0
Oklahoma 13.1 12.7 18.1
Oregon 10.2 10.0 13.6
Pennsylvania 11.9 10.8 16.7
Rhode Island 12.1 11.0 14.0
South Carolina 15.6 13.3 20.4
South Dakota 11.5 10.9 N/A
Tennessee 14.7 13.7 19.8
Texas 13.6 12.8 18.8
Utah 11.4 11.0 17.0
Vermont 9.0 9.0 N/A
Virginia 12.3 11.2 16.7
Washington 10.6 9.9 13.5
West Virginia 14.4 14.3 19.6
Wisconsin 11.4 10.6 17.9
Wyoming 13.1 13.1 N/A

Source: Martin JA, Hamilton BE, Sutton PD, Ventura SJ, Menacker F, Kirmeyer S, Munson ML. Births: Final data for 2005. National vital statistics reports; vol 56 no 6. Hyattsville, MD: National Center for Health Statistics. 2007.

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