BJS released NIBRS Estimation and Extract File Creation Methodology Report



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December 18, 2025






Learn how estimates of crime reported by police are generated [ [link removed] ]

BJS has released "NIBRS Estimation and Extract File Creation Methodology Report," a BJS-funded report by RTI International. It describes the methodology and procedures used by BJS to create the annual National Incident-Based Reporting System (NIBRS) [ [link removed] ] National Estimates and Data Extract Files. Covering 12 key topic areas, the report describes the receipt and processing of NIBRS data from the FBI and the data quality checks that are performed. It also outlines the procedures used for the NIBRS Estimation Program, including the indicators to be estimated, imputation, and weighting.

Read the Third-party Report [ [link removed] ]

BJS funds research and reports by other organizations or individuals to foster knowledge in the criminal justice field. These third-party reports are not BJS reports and do not release official government statistics. Please see the full disclaimer [ [link removed] ] for more information. 

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The Bureau of Justice Statistics of the U.S. Department of Justice is the principal federal agency responsible for collecting, analyzing, and disseminating reliable statistics on crime and criminal justice in the United States.

For more information on BJS's publications, data collections, data analysis tools, and funding opportunities, visit bjs.ojp.gov [ [link removed] ].

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