Percent distribution of births by maternal age and race, 2002 (pie chart): White (including Hispanic): Younger than 15 years, 0.1%; 15-17 years, 3.0%; 18-19 years, 6.6%; 20-29 years, 51.5%; 30-39 years, 36.2%; 40-54 years, 2.6%. Black (including Hispanic): Younger than 15 years, 0.5%; 15-17 years, 6.4%; 18-19 years, 11.1%; 20-29 years, 55.8%; 30-39 years, 24.2%; 40-54 years, 2.0%.

Source: Martin JA, Hamilton BE, Sutton PD, Ventura SJ, Menacker F, Munson ML. Births: Final Data for 2002. National Vital Statistics Reports, Vol. 52, No. 10. Hyattsville, MD: National Center for Health Statistics.