Gang violence in Chicago Innovaons in Research and Policy Aurélie Ouss Homicides in Chicago very concentrated geographically… Homicides in Chicago very concentrated geographically… Top 20, 31% Other 57 Communi ty Areas, 69% Other 57 Communi ty Areas, 30% Top 20, 70% … And by age / gender Homicide Rate by Age and Race 200 180 160 140 120 100 80 60 40 20 0 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 White Male 14-17 White Male 18-24 White Male 25+ Black Male 14-17 Black Male 18-24 Black Male 25+ Chicago and US Ci/es Gang-related homicides in Chicago 80% 70% 60% 50% 40% 30% 20% 10% 0% 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Gang-related Armed Robberies Domes/c Altercaons Arrests and gangs in Chicago 50% 45% 40% 35% 30% 25% 20% 15% Percent Currently or Ever in Gang 10% 5% 0% Chicago Los Angeles Houston New York 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