Bureau of Justice Statistics
Homicide trends in the United States
www.ojp.usdoj.gov/bjs/homicide
 
         Mean age of:
Year     Victims  Offenders
    1976     35.2     30.8
    1977     34.7     30.9
    1978     34.3     30.6
    1979     34.4     30.3
    1980     34.1     29.9
    1981     34.4     30.6
    1982     34.4     30.5
    1983     34.3     30.5
    1984     34.3     30.7
    1985     34.1     30.7
    1986     33.5     30.3
    1987     33.6     30.3
    1988     33.0     29.5
    1989     32.5     28.8
    1990     32.0     28.4
    1991     31.6     27.4
    1992     31.7     27.5
    1993     31.4     27.1
    1994     31.3     27.0
    1995     31.6     27.5
    1996     31.6     27.5
    1997     31.9     27.7
    1998     31.7     28.1
 
Source: FBI, Supplementary Homicide Reports, 1976-98.
See the methodology section in Additional Information About
the Data for weighting and imputation procedures used.