Table POP7.A Births to unmarried women: Birth rates for unmarried women by age of mother, selected years 1980–2003
(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
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
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	—
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	—
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	—
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	—
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	—
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	—
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	—
— = not available
NOTE: 2003 data for the total, ages 15–44, is preliminary. 2003 data for specific age groups are not available. Births to unmarried women were somewhat underreported in Michigan and Texas during the years 1989–93; data since 1994 have been reported on a complete basis. 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.
SOURCE: Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System. Hamilton, B.E., Martin, J.A., and Sutton, P.D. (2004). Births: Preliminary data for 2003. National Vital Statistics Reports, 53(9). 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. 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.