Mortality in Correctional Institutions: Jail Population Distributions, 2000-2017 (ICPSR 37926)

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United States. Bureau of Justice Statistics


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MCI Jail Population Distributions, 2000-2017

The Mortality in Correctional Institutions series (MCI), formerly Deaths in Custody Reporting Program (DCRP), is an annual data collection conducted by the Bureau of Justice Statistics (BJS). The DCRP began in 2000 under the Death in Custody Reporting Act of 2000 (P.L. 106-297). It is the only national statistical collection that obtains detailed information about deaths in adult correctional facilities. The MCI collects data on persons dying in state prisons, local jails and in the process of arrest. Each collection is a separate subcollection, but each is under the umbrella of the MCI collection. This deals with the local jails subcollection, which includes a jail populations file.

The jails portion of the Mortality in Correctional Institutions began in 2000 after the passage of the Deaths in Custody Reporting Act of 2000 in October of 2000. The original law lapsed at year-end 2006, but BJS continued to collect the data on a voluntary basis until the reauthorization of the Deaths in Custody Reporting Act in December of 2014. The jails component of the MCI collects data on deaths of inmates occurring in local jail facilities while inmates are in the physical custody of jail facility officials, even if they are being held for other jurisdictions.

This longitudinal dataset includes year-end estimates of the demographic characteristics of all jail populations at the national level. It does not include death data. Users interested in that data should refer to Mortality in Correctional Institutions: Local Jails, 2000-2017 (ICPSR 37878).

United States. Bureau of Justice Statistics. Mortality in Correctional Institutions: Jail Population Distributions, 2000-2017. Inter-university Consortium for Political and Social Research [distributor], 2021-04-27.

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United States Department of Justice. Office of Justice Programs. Bureau of Justice Statistics


Inter-university Consortium for Political and Social Research

2000 -- 2017
2000 -- 2017

Population-level demographic data are calculated from national surveys of local jail inmate populations.

Longitudinal, Time Series: Discrete

Individuals incarcerated in local jail facilities.

Entire population

National Inmate Survey (NIS-2)(2008--2009)

National Inmate Survey (NIS-3)(2010--2017)

Survey of Inmates of Local Jails (2000--2002)

National Inmate Survey (NIS-1)(2003--2007)



2021-04-27 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:

  • Created variable labels and/or value labels.
  • Standardized missing values.
  • Performed recodes and/or calculated derived variables.
  • Checked for undocumented or out-of-range codes.


  • The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.