Crime Data Explorer

A collaboration between 18F and the FBI Criminal Justice Information Services (CJIS) Division to make national, state, and local crime data more accessible and understandable to the public.

Available Datasets

• Summary Reporting System (SRS): monthly offense, arrest, and clearance data for crimes known to law enforcement from 1960-2014.
• National Incident-Based Reporting System (NIBRS): reports from individual crime incidents with offense, location, victim and offender demographics, property damage, and arrestee details from 1991-2014.
• Estimated Data: Summary (SRS) data that has been estimated to create trends for crime occurrences on the state and national level.
• Police Employee Data: totals for full-time sworn and civilian law enforcement employees by state from 1960-2014.
• Uniform Crime Reporting Participation Data: SRS and NIBRS participation rates for individual law enforcement agencies by state and year from 1960-2014.

About the Data

The FBI collects crime data through its Uniform Crime Reporting (UCR) program. The data is collected and published on an annual basis, with over 18,000 law enforcement agencies across the country participating in the program.

Avoid Rankings and Comparisons

Crime is a sociological phenomenon influenced by many factors, so it's discouraged to rank locations or make comparisons between states, counties, or agencies as a way of measuring law enforcement effectiveness.

Unestimated Data

The Crime Data Explorer provides data without estimates or modifications through downloads and in agency-level views. As a result, the data available for download may vary from the FBI's annual reports.

Related Resources

• Crime data API: code for the RESTful API behind the Crime Data Explorer
• Crime data style: visual style guide and user interface component library
• Uniform Crime Reporting (UCR) documentation: user manuals developed by the FBI
• API documentation: technical documentation for the crime data API

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