The Uniform Crime Reporting (UCR) Program has been the starting place for law enforcement executives, students of criminal
justice, researchers, members of the media, and the public at large seeking information on crime in the nation. The program
was conceived in 1944 by the International Association of Chiefs of Police to meet the need for reliable uniform crime
statistics for the nation. In 1930, the FBI was tasked with collecting, publishing, and archiving those statistics.
Today, four annual publications, Crime in the United States, National Incident-Based Reporting System, Law Enforcement
Officers Killed and Assaulted, and Hate Crime Statistics are produced from data received from over 18,000 city,
university/college, county, state, tribal, and federal law enforcement agencies voluntarily participating in the program.
The crime data are submitted either through a state UCR Program or directly to the FBI's UCR Program.
In addition to these reports, information is available on the Law Enforcement Officers Killed and Assaulted (LEOKA) Program
and the Hate Crime Statistics Program, as well as the traditional Summary Reporting System (SRS) and the National
Incident-Based Reporting System (NIBRS).
Law enforcement agencies collect detailed incident level data regarding individual offenses and arrests and submit them
using prescribed data elements and data values. NIBRS presents quantitative and qualitative data that describes each
incident and arrest. The NIBRS Map provides the status of NIBRS reporting by state.
Visit the UCR website
for additional information and to download the NIBRS IEPD.