Resource Guide
National Incident-Based Reporting System

NIBRS Data and File Specifications

The National Archive of Criminal Justice Data has separated the single full file as prepared by the FBI into 13 separate files. Click on the individual file name below to get a list of the variables that comprise that file.

Part NumberFile
1Batch Header Segment 1 of 3
2Batch Header Segment 2 of 3
3Batch Header Segment 3 of 3
4Administrative Segment
5Offense Segment
6Property Segment
7Victim Segment
8Offender Segment
9Arrestee Segment
10Group B Arrest Report Segment
11Window Exceptionally Cleared Segment
12Window Recovered Property Segment
13Window Arrestee Segment