This report presents statistics regarding the sexual victimization of prison and jail inmates by other inmates or staff. Sections of this publication cover: highlights; National Inmate Survey; incidents of sexual victimizations; facility-level rates; demographic and other characteristics; special inmate populations-inmates ages 16 to 17; special inmate populations-inmates with mental health problems; and special inmate populations-inmates with a non-heterosexual sexual orientation. Some of the key findings include: 4% of prison inmates and 3.2% of jail inmates reported being sexually victimized; 1.8% of juveniles ages 16 to 17 reported being victimized by another inmate, with 3.2% reporting staff sexual misconduct; 6.3% of mentally ill inmates in prison reported sexual victimization by another inmate, with those in jails at 3.6%; and non-heterosexual inmates having the highest sexual victimization rates by another inmate of 12.2% in prison and 8.5% in jail, 5.4% and 4.3% respectively by staff.