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An official website of the United States government, Department of Justice.

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Law Enforcement Management and Administrative Statistics (LEMAS)

Beginning in 2016, the Law Enforcement Management and Administrative Statistics (LEMAS) survey adopted a core and supplement structure. Conducted periodically since 1987, the LEMAS core collects data from over 3,000 general purpose, county, and local law enforcement agencies, including all those that employ 100 or more full-time sworn officers and a nationally representative sample of smaller agencies.