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Offending by Juveniles
Homicide
Q: What proportion of homicides committed by youth involve multiple offenders?
A: More than half of homicides committed by known juvenile offenders in 2020 involved multiple offenders.

Estimated proportion of victims killed by juvenile offenders, 1980-2020

Year Lone juvenile
offender
Multiple juvenile
offenders
Juvenile & adult
offenders
1980 68.0% 9.0% 23.0%
1981 65.2% 9.0% 25.8%
1982 61.8% 10.0% 28.1%
1983 67.6% 8.9% 23.4%
1984 67.2% 11.1% 21.8%
1985 66.1% 8.6% 25.3%
1986 66.0% 9.1% 24.9%
1987 67.0% 9.0% 24.1%
1988 63.0% 11.0% 26.0%
1989 64.0% 10.3% 25.7%
1990 58.2% 11.6% 30.1%
1991 58.8% 9.6% 31.7%
1992 62.1% 11.1% 26.7%
1993 59.8% 12.4% 27.8%
1994 57.6% 11.7% 30.7%
1995 57.4% 10.7% 31.9%
1996 56.7% 10.9% 32.4%
1997 57.5% 11.7% 30.8%
1998 58.5% 9.8% 31.7%
1999 58.9% 9.0% 32.1%
2000 58.0% 10.5% 31.5%
2001 54.1% 8.2% 37.7%
2002 51.7% 9.4% 38.9%
2003 55.8% 9.7% 34.5%
2004 55.1% 10.0% 34.9%
2005 52.1% 9.8% 38.1%
2006 49.8% 10.1% 40.2%
2007 51.9% 9.0% 39.1%
2008 50.1% 9.5% 40.4%
2009 50.5% 8.8% 40.6%
2010 47.7% 9.3% 43.0%
2011 49.8% 7.7% 42.4%
2012 51.0% 9.0% 40.0%
2013 46.6% 9.8% 43.6%
2014 50.5% 10.4% 39.1%
2015 51.8% 9.7% 38.5%
2016 51.2% 9.4% 39.4%
2017 51.1% 9.0% 39.9%
2018 48.6% 11.0% 40.4%
2019 50.2% 10.6% 39.3%
2020 45.3% 12.1% 42.6%

[ Graph version ]  [ CSV file ]

  • Between 1980 and 2020, the estimated proportion of murders involving a juvenile offender acting alone gradually declined, from 66% in the 1980s, to 59% in the 1990s, to 50% in the 2010s. By 2020, of all homicides involving a juvenile offender, 45% were juveniles acting alone. Comparatively, the proportion of murders committed by juveniles and adults increased from 25% in the 1980s to 41% in the last 10 years. By 2020, 43% of homicides committed by juveniles involved juveniles and adults.

Internet citation: OJJDP Statistical Briefing Book. Online. Available: https://www.ojjdp.gov/ojstatbb/offenders/qa03106.asp?qaDate=2020. Released on December 09, 2021.

Data Source: Federal Bureau of Investigation. Supplementary Homicide Reports for the years 19802020 [machine-readable data files]. Washington, D.C.: FBI.

 

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