Historical Trends in Juvenile Arrest Rates
"In 1980, there were an estimated 1,476 arrests of persons ages 10-12 for every 100,000 persons in this age group in the U.S. population. By 2003, this arrest rate had fallen to 1,296, a decline of 12%. In 1980, 9.5% of all juvenile arrests were arrests of persons under age 13; in 2003, this percentage had decreased to 8.5% -- with the majority of the decrease occurring during the mid-1990s."
Snyder, Howard N., and Sickmund, Melissa, "Juvenile Offenders and Victims: 2006 National Report," (Washington, DC: U.S. Department of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention, March 2006), p. 130.