A United States Department of Justice report, "Sexual Victimization in Prisons and Jails Reported by Inmates", states that "In 2011-12, an estimated 4.0% of state and federal prison inmates and 3.2% of jail inmates reported experiencing one or more incidents of sexual victimization by another inmate or facility staff in the past 12 months or since admission to the facility, if less than 12 months.