U.S. flag

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

Law enforcement

National Incident-Based Reporting System (NIBRS)

As of January 1, 2021, the FBI’s National Incident-Based Reporting System (NIBRS) became the national standard for law enforcement crime data reporting in the United States. The transition to NIBRS represents a significant shift – and improvement – in how reported crime is measured and estimated by the federal government.

NIBRS captures detailed data about the characteristics of criminal incidents, including:

  • a broad array of...

Tribal Crime

To improve the availability of data on crime in Indian country, BJS creates data tables containing information reported by tribal law enforcement agencies to the FBI's Uniform Crime Reporting (UCR) Program and published in the annual Crime in United States (CIUS) publication. The tables include crime data for agencies that reported 12 complete months of data for the year, submitted by tribal law enforcement agencies and the Bureau...

Training

Sworn law enforcement officers generally receive training throughout their careers, beginning with basic training for entry-level recruits, followed by in-service training. Basic law enforcement training academies are operated by state-level organizations such as—

  • Peace Officer Standards and Training (POST) entities
  • state police or highway patrols
  • local law enforcement agencies such as sheriff’s offices and county or municipal police departments
  • and academic institutions such as 2-...