Delinquency Cases in Juvenile Court, 2007 (NCJ 230168) June 2010 Fact Sheet 4 page(s) Presents statistics on delinquency cases processed between 1985 and 2007 by U.S. courts with juvenile jurisdiction. The estimates are based on data from more than 2,200 courts with jurisdiction over 81 percent of the nation's juvenile population (youth age 10 through the upper age of original juvenile court jurisdiction in each state). The fact sheet is based on the report Juvenile Court Statistics, 2006–2007. PDF