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FAM2.A Births to unmarried women: Birth rates for unmarried women by age of mother, 1980–2012

excel icon FAM2A Excel Table

(Live births to unmarried women per 1,000 in specified age group)
Age of mother 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Total ages 15–44 29.4 29.5 30.0 30.3 31.0 32.8 34.2 36.0 38.5 41.6 43.8 45.0 44.9 44.8 46.2 44.3 43.8 42.9 43.3 43.3 44.1 43.7 43.6 44.7 46.0 47.2 50.3 51.8 51.8 49.9 47.6 46.0 45.3
Age
Ages 15–17 20.6 20.9 21.5 22.0 21.9 22.4 22.8 24.5 26.4 28.7 29.6 30.8 30.2 30.3 31.7 30.1 28.5 27.7 26.5 25.0 23.9 21.8 20.7 20.1 19.9 19.4 20.1 20.4 20.1 18.8 16.8 14.9 13.7
Ages 18–19 39.0 39.0 39.6 40.7 42.5 45.9 48.0 48.9 51.5 56.0 60.7 65.4 66.7 66.2 69.1 66.5 64.9 63.9 63.6 62.3 62.2 60.2 58.1 56.6 56.6 57.0 60.3 61.9 59.7 56.3 52.0 48.2 45.8
Ages 20–24 40.9 41.1 41.5 41.8 43.0 46.5 49.3 52.6 56.0 61.2 65.1 67.8 67.9 68.5 70.9 68.7 68.9 68.9 70.4 70.8 72.2 70.8 70.0 71.0 72.3 74.5 79.1 79.8 78.1 74.4 70.0 66.7 64.7
Ages 25–29 34.0 34.5 35.1 35.5 37.1 39.9 42.2 44.5 48.5 52.8 56.0 56.0 55.6 55.9 57.4 54.3 54.5 53.4 55.4 56.9 58.5 59.6 62.0 66.2 69.1 71.5 75.4 76.9 75.7 73.0 69.2 67.8 67.2
Ages 30–34 21.1 20.8 21.9 22.4 23.3 25.2 27.2 29.6 32.0 34.9 37.6 37.9 37.6 38.0 39.6 38.9 40.2 37.9 38.1 38.1 39.3 40.3 41.3 44.2 47.3 50.4 55.3 58.0 58.8 57.1 56.3 56.2 56.3
Ages 35–39 9.7 9.8 10.0 10.2 10.9 11.6 12.2 13.5 15.0 16.0 17.3 17.9 18.8 18.9 19.7 19.3 19.9 18.7 18.7 19.0 19.7 20.4 20.9 22.3 23.5 24.5 26.8 28.7 30.2 29.7 29.6 29.9 30.9
Ages 40–44 2.6 2.6 2.7 2.6 2.5 2.5 2.7 2.9 3.2 3.4 3.6 3.8 4.1 4.4 4.7 4.7 4.8 4.6 4.6 4.6 5.0 5.3 5.4 5.8 6.0 6.2 6.5 6.8 7.5 7.8 8.0 8.2 8.5
NOTE: Births to unmarried women were somewhat underreported in Michigan and Texas during the years 1989–1993; data since 1994 have been reported on a complete basis. Previous values for 2011 were based on the preliminary data file and have changed due to the release of the final data file.
SOURCE: National Center for Health Statistics, National Vital Statistics System. Martin, J.A., Hamilton, B.E., Osterman, M.J.K., Curtin, S.C., and Mathews, T.J. (2013). Births: Final data for 2012. National Vital Statistics Reports, 62(9). National Center for Health Statistics, National Vital Statistics System. Martin, J.A., Hamilton, B.E., Ventura, S.J., and Mathews, T.J. (2013). Births: Final data for 2011. National Vital Statistics Reports, 62(1). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Ventura, S.J., Osterman, M.J.K., Wilson, E.C., and Mathews, T.J. (2012). Births: Final data for 2010. National Vital Statistics Reports, 61(1). Hyattsville, MD: National Center for Health Statistics. Hamilton, B.E., Sutton, P.D., and Ventura, S.J. (2003). Revised birth and fertility rates for the 1990s: United States, and new rates for Hispanic populations, 2000 and 2001. National Vital Statistics Reports, 51(12). Hyattsville, MD: National Center for Health Statistics. Ventura, S.J., and Bachrach, C.A. (2000). Nonmarital childbearing in the United States, 1940–99. National Vital Statistics Reports, 48(16). Hyattsville, MD: National Center for Health Statistics.