| (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 43.8 | 43.7 | 44.9 | 46.1 | 47.5 | 50.6 | 52.3 | 52.5 | 50.6 |
| 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 | 22.0 | 20.8 | 20.3 | 20.1 | 19.7 | 20.4 | 20.8 | 20.6 | // |
| 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 | 60.6 | 58.6 | 57.6 | 57.7 | 58.4 | 61.8 | 63.9 | 61.9 | // |
| 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 | 71.3 | 70.5 | 71.2 | 72.5 | 74.9 | 79.5 | 80.6 | 79.2 | // |
| 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 | 59.5 | 61.5 | 65.7 | 68.6 | 71.1 | 74.9 | 76.9 | 76.1 | // |
| 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 | 40.4 | 40.8 | 44.0 | 47.0 | 50.0 | 54.8 | 57.9 | 59.0 | // |
| 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 | 20.8 | 22.3 | 23.5 | 24.5 | 26.8 | 28.7 | 30.4 | // |
| 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 | // |
| // Not available at publication time. | ||||||||||||||||||||||||||||||
| NOTE: The 2009 rate for total ages 15–44 is preliminary. 2009 data for specific age groups are not yet available. The birth rate for all ages, 15–44, for 2007 has been revised since previous publication in America's Children. 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. | ||||||||||||||||||||||||||||||
| SOURCE: National Center for Health Statistics, National Vital Statistics System. Hamilton, B.E., Martin, J.A., and Ventura, S.J. (2010). Births: Preliminary data for 2009. National Vital Statistics Reports, 59(3). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Mathews, T.J., and Osterman, M.J.K. (2010). Births: Final data for 2008. National Vital Statistics Reports, 59(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. | ||||||||||||||||||||||||||||||
