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Methodology: Survey of Prison Inmates, 2016

NCJ Number
Date Published
July 2019
10 pages
This report describes the methodology used by the Bureau of Justice Statistics (BJS) for the 2016 Survey of Prison Inmates (SPI), which collected statistics for all male and female prisoners age 18 or older who were held in a state prison or were serving a sentence in a federal prison.

Describes the survey methods used to carry out the Survey of Prison Inmates, 2016. Previously known as the Survey of Inmates in State and Federal Correctional Facilities, this national survey has been conducted periodically since 1974 among state prisoners and since 1991 among federal prisoners. This report discusses the universe of prisons and prisoners, the sample design, the selection of prisons and prisoners, the consent process, the response rates, and the post-survey adjustments and weighting procedures.

Date Published: July 1, 2019