The Uniform Crime Reports (UCR) are official data on crime in the United States, published by the Federal Bureau of Investigation (FBI). UCR is a "a nationwide, cooperative statistical effort of nearly 18,000 city, university and college, county, state, tribal, and federal law enforcement agencies voluntarily reporting data on crimes brought to their attention."
Crime statistics are compiled from UCR data and published annually by the FBI in the Crime in the United States series.
The FBI does not collect the data itself. Rather, law enforcement agencies across the United States provide the data to the FBI, which then compiles the Reports.
The Uniform Crime Reports program began in 1930, and since then has become an important source of crime information for law enforcement, policymakers, scholars, and the media. The UCR Program consists of four parts:
- Traditional Summary Reporting System (SRS) and the National Incident Based Reporting System (NIBRS) - Offense and arrest data
- Law Enforcement Officers Killed and Assaulted (LEOKA) Program
- Hate Crime Statistics Program - hate crimes
- Cargo Theft Reporting Program - cargo theft
The FBI publishes annual data from these collections in Crime in the United States, Law Enforcement Officers Killed and Assaulted, and Hate Crime Statistics.
Read more about Uniform Crime Reports: History, Data Collection, UCR Crime Categories, Advisory Groups, Limitations
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—Henry David Thoreau (1817–1862)