Principal Investigator(s): United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics
This study was conducted to provide a consistent and comprehensive description of convicted persons' entrance into and departure from correctional custody and correctional supervision. To accomplish this goal, data were gathered from official state prison records on topics such as race, sex, and age of inmates, length of time in jail, length of time in prison, and type of offense committed. The data were collected from the state prison systems of 38 states, as well as the Federal Prison System, the California Youth Authority, and the District of Columbia.
One or more files in this study are not available for download due to special restrictions; consult the restrictions note to learn more. You can apply online for access to the data. Authentication is required to apply for access.
Access to one or more files in this study is restricted. Users interesting in obtaining these data must complete and sign a Restricted Data Use Agreement, describe the research project and data protection plan, and obtain IRB approval or notice of exemption for their research.
United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics. National Corrections Reporting Program, 1993. ICPSR06823-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2010-04-23. doi:10.3886/ICPSR06823.v1
Persistent URL: http://doi.org/10.3886/ICPSR06823.v1
This survey was funded by:
- United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics
Scope of Study
Subject Terms: correctional facilities, correctional facilities (juveniles), correctional system, demographic characteristics, federal correctional facilities, jail inmates, juvenile offenders, national crime statistics (USA), offenders, offenses, parole, prison inmates, probation, state correctional facilities
Geographic Coverage: United States
Date of Collection:
Universe: All persons incarcerated in prisons in the United States.
Data Types: administrative records data, event/transaction data, survey data
Data Collection Notes:
Conducted by the United States Department of Commerce, Bureau of the Census.
Sample: All people incarcerated in 38 state prisons (plus federal prisons, the California Youth Authority, and the District of Columbia) in 1993.
official prison records of prisoner population movement
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Performed consistency checks.
- Standardized missing values.
- Created online analysis version with question text.
- Performed recodes and/or calculated derived variables.
- Checked for undocumented or out-of-range codes.
Original ICPSR Release: 1997-04-14
- 2010-04-23 The entire NCRP series is being re-released in restricted format.
- 2006-03-30 File UG6823.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
- 2006-03-30 File SP6823.ALL was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
- 2006-03-30 File SA6823.ALL was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
- 2006-03-30 File CB6823.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
- 2005-11-04 On 2005-03-14 new files were added to one or more datasets. These files included additional setup files as well as one or more of the following: SAS program, SAS transport, SPSS portable, and Stata system files. The metadata record was revised 2005-11-04 to reflect these additions.
- 1997-08-01 The data have been checked for wild or invalid codes, and the codebook and SAS and SPSS data definition statements now document these codes. In addition, the codebook is now available as a PDF file only, and the variable and value labels have been expanded.
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