Local Jail Inmates
According to a federal survey of jail inmates, of the total 440,670 jail inmates in the US in 2002, 112,447 (25.5%) were drug offenders: 48,823 (11.1%) for possession and 56,574 (12.8%) for trafficking.
Karberg, Jennifer C. and Doris J. James, US Dept. of Justice, Bureau of Justice Statistics, "Substance Dependence, Abuse, and Treatment of Jail Inmates, 2002" (Washington, DC: US Dept. of Justice, July 2005), Table 7, p. 6.