TABLE 2.

Mother's Mean Age at First Birth, United States, 1980–2004

Year	Mean Age at First Birth
1980	22.7
1985	23.7
1990	24.2
1995	24.5
2000	24.9
2004	25.2

Note. From Martin, J. A., Hamilton, B. E., Sutton, P. D., Ventura, S. J., Menacker, F., & Kirmeyer, S. (2006). Births: Final data for 2004. National Vital Statistics Reports, 55(1). Hyattsville, MD: National Center for Health Statistics.