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Uniform Crime Reporting Program Data Series

Investigator(s): Federal Bureau of Investigation

Since 1930, the Federal Bureau of Investigation (FBI) has compiled the Uniform Crime Reports (UCR) to serve as periodic nationwide assessments of reported crimes not available elsewhere in the criminal justice system. With the 1977 data, the title was expanded to Uniform Crime Reporting Program Data. Each year, participating law enforcement agencies contribute reports to the FBI either directly or through their state reporting programs. ICPSR archives the UCR data as five separate components: (1) summary data, (2) county-level data, (3) incident-level data (National Incident-Based Reporting System [NIBRS]), (4) hate crime data, and (5) various, mostly nonrecurring, data collections. Summary data are reported in four types of files: (a) Offenses Known and Clearances by Arrest, (b) Property Stolen and Recovered, (c) Supplementary Homicide Reports (SHR), and (d) Police Employee (LEOKA) Data (Law Enforcement Officers Killed or Assaulted). The county-level data provide counts of arrests and offenses aggregated to the county level. County populations are also reported. In the late 1970s, new ways to look at crime were studied. The UCR program was subsequently expanded to capture incident-level data with the implementation of the National Incident-Based Reporting System. The NIBRS data focus on various aspects of a crime incident. The gathering of hate crime data by the UCR program was begun in 1990. Hate crimes are defined as crimes that manifest evidence of prejudice based on race, religion, sexual orientation, or ethnicity. In September 1994, disabilities, both physical and mental, were added to the list. The fifth component of ICPSR's UCR holdings is comprised of various collections, many of which are nonrecurring and prepared by individual researchers. These collections go beyond the scope of the standard UCR collections provided by the FBI, either by including data for a range of years or by focusing on other aspects of analysis.

NACJD has produced resource guides on UCR and on NIBRS data.

Data in the Series

Related Publications

Most Recent Publications

2017
Acs, Gregory,  Pendall, Rolf,  Treskon, Mark,  Khare, Amy . The Cost of Segregation: National Trends and the Case of Chicago, 1990-2010. Research Report. Washington, DC: Urban Institute.
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2017
Adelman, Robert,  Reid, Lesley W.,  Markle, Gail,  Weiss, Saskia,  Jaret, Charles . Urban crime rates and the changing face of immigration: Evidence across four decades. Journal of Ethnicity in Criminal Justice. 15, (1), 52-77.
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2017
Ansari, Sami,  He, Ni . Explaining the UCR-NCVS convergence: A time series analysis. Asian Journal of Criminology. 12, (1), 39-62.
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2017
2017
Contreras, Christopher,  Hipp, John R. Drug Activity and Crime Rate Change: A Spatiotemporal Examination. APPAM California Regional Student Conference. Riverside, CA.
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2017
De Zutter, Andre,  Horselenberg, Robert,  van Koppen, Peter J. The prevalence of false allegations of rape in the United States from 2006-2010. Journal of Forensic Psychology. 2, (2), 1-5.
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2017
Godwin, Alex,  Stasko, John . HotSketch: Drawing police patrol routes among spatiotemporal crime hotspots. Hawaii International Conference on System Sciences. Waikoloa Village, HI.
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2017
Hauser, Will,  Kleck, Gary . The impact of police strength and arrest productivity on fear of crime and subjective assessments of the police. American Journal of Criminal Justice. 42, (1), 86-111.
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