FAM2.B Births to unmarried women: Percentage of all births that are to unmarried women by age of mother, 1980

FAM2.B Births to unmarried women: Percentage of all births that are to unmarried women by age of mother, 1980–2009

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
All ages	18.4	18.9	19.4	20.3	21.0	22.0	23.4	24.5	25.7	27.1	28.0	29.5	30.1	31.0	32.6	32.2	32.4	32.4	32.8	33.0	33.2	33.5	34.0	34.6	35.8	36.9	38.5	39.7	40.6	41.0
Age
Under age 15	88.7	89.2	89.2	90.4	91.1	91.8	92.5	92.9	93.6	92.4	91.6	91.3	91.3	91.3	94.5	93.5	93.8	95.7	96.6	96.5	96.5	96.3	97.0	97.1	97.4	98.0	98.3	98.8	99.1	99.0
Ages 15–17	61.5	63.3	65.0	67.5	69.2	70.9	73.3	75.8	77.1	77.7	77.7	78.7	79.2	79.9	84.1	83.7	84.4	86.7	87.5	87.7	87.7	87.8	88.5	89.7	90.3	90.9	91.9	92.8	93.7	94.2
Ages 18–19	39.8	41.4	43.0	45.7	48.1	50.7	53.6	56.0	58.5	60.4	61.3	63.2	64.6	66.1	70.0	69.8	70.8	72.5	73.6	74.0	74.3	74.6	75.8	77.3	78.7	79.7	80.6	82.2	83.5	84.2
Ages 20–24	19.3	20.4	21.4	22.9	24.5	26.3	28.7	30.8	32.9	35.1	36.9	39.4	40.7	42.2	44.9	44.7	45.6	46.6	47.7	48.5	49.5	50.4	51.6	53.2	54.7	56.2	57.9	59.6	60.9	62.1
Ages 25–29	9.0	9.7	10.3	11.0	11.8	12.7	13.8	14.7	15.8	17.1	18.0	19.2	19.8	20.7	21.8	21.5	22.0	22.0	22.5	22.9	23.5	24.4	25.3	26.4	27.8	29.3	31.0	32.2	33.2	33.8
Ages 30–34	7.4	7.8	8.2	8.6	9.0	9.7	10.4	11.1	11.8	12.6	13.3	14.0	14.3	14.7	15.1	14.7	14.8	14.1	14.0	14.0	14.0	14.3	14.6	15.1	16.1	17.0	18.3	19.3	20.2	20.7
Ages 35–39	9.4	9.8	9.8	10.1	10.7	11.2	11.7	12.2	12.8	13.3	13.9	14.6	15.2	15.6	16.1	15.7	15.7	14.6	14.4	14.4	14.3	14.4	14.5	14.8	15.2	15.7	16.4	17.3	18.2	19.0
Ages 40 and older	12.1	12.7	13.4	13.4	13.8	14.0	14.8	15.2	15.6	15.9	17.0	17.4	17.7	18.1	18.7	18.1	18.4	17.1	16.7	16.5	16.8	17.1	17.3	17.9	18.2	18.8	19.4	20.0	20.8	21.4
NOTE: Data for 2009 are preliminary.
SOURCE: National Center for Health Statistics, National Vital Statistics System. Ventura, S.J., and Bachrach, C.A. (2000). Nonmarital childbearing in the United States, 1940-99. National Vital Statistics Reports, 48(16). Martin, J.A., Hamilton, B.E., Ventura, S.J., Menacker, F., and Park, M.M. (2002). Births: Final data for 2000. National Vital Statistics Reports, 50(5). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Ventura, S.J., Menaker, F., Park, M.M., and Sutton, P.D. (2002). Births: Final data for 2001. National Vital Statistics Reports, 51(2). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Menacker, F., and Munson, M.L. (2003). Births: Final data for 2002. National Vital Statistics Reports, 52(10). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Menacker, F., and Munson, M.L. (2005). Births: Final Data for 2003. National Vital Statistics Reports, 54(2). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Menacker, F., and Kirmeyer, S. (2006). Births: Final data for 2004. National Vital Statistics Reports, 55(1). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Menacker, F., Kirmeyer, S., and Munson, M.L. (2007). Births: Final data for 2005. National Vital Statistics Reports, 56(6). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Menacker, F., Kirmeyer, S., and Mathews, T.J., (2009). Births: Final data for 2006. National Vital Statistics Reports, 57(7). Hyattsville, MD: National Center for Health Statistics. Martin, J.A., Hamilton, B.E., Sutton, P.D., Ventura, S.J., Mathews T.J Kirmeyer, S., and Osterman, M.J.K. (2010). Births: Final Data for 2007. National Vital Statistics Reports 58(24). Hyattsville, MD: National Center for Health Statistics. 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.