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The Uniform Crime Reporting (UCR) program compiles official data on crime in the United States, published by the Federal Bureau of Investigation (FBI). UCR is "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".
To ensure that data resources are available to future generations of scholars, ICPSR curates and preserves data, migrating them to new storage media and file formats as changes in technology warrant. In addition, ICPSR provides user support to assist researchers in identifying relevant data for analysis and in conducting their research projects.
As of October 31, 2020, 8,742 law enforcement agencies representing 48.9 percent of the population were reporting NIBRS data to the UCR program. At that time, 43 states were NIBRS-certified as having records management systems that meet the FBI's requirement for collecting crime data according to established technical specifications.
Comparisons between official statistics, such as the Uniform Crime Reports and the National Incident-Based Reporting System, and victim studies, such as the National Crime Victimization Survey (NCVS), attempt to provide an insight into the amount of unreported crime. [4] [5]
The National Crime Victimization Survey (NCVS), administered by the US Census Bureau under the Department of Commerce, is a national survey of approximately 49,000 [1] [contradictory] to 150,000 [2] households - with approximately 240,000 [3] persons aged 12 or older - twice a year in the United States, on the frequency of crime victimization, as well as characteristics and consequences of ...
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. NCVS can stand for: The Northern Cities Vowel ...
A history of the UCR program and details on other state-run programs General Information Definitions, details on the Hierarchy Rule for offenses and details on the Separation of Time and Place Rule Classifying Offenses Rules for classifying the Part I offenses (see Uniform Crime Reports for information on Part I offenses) Scoring Offenses
Different data types are collected by different entities for different purposes, nominal or otherwise. These databases are some of the largest of their kind, [ 1 ] and even the largest ever. [ 2 ] Accessibility of government databases may be controlled by various means, such as requirement of a warrant , subpoena , or simple request from ...