National Incident Reporting System (NIBRS)

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The description

Effective 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 change – and improvement – ​​in the way reported crimes are measured and estimated by the federal government.

The NIBRS collects detailed data on the characteristics of criminal incidents, including:

  • a wide range of offenses
  • types and quantity of property lost
  • demographic information on victims, offenders and arrestees
  • what type of weapon, if any, was used in the incident.

NIBRS data more accurately reflects the types of crimes handled by police departments, such as common assault, animal cruelty, destruction of property, intimidation and identity flight. The broad scope of information collected in the NIBRS will greatly enhance the nation’s understanding of crime and public safety.


Measuring Crimes Reported to Law Enforcement Using NIBRS Data

The 2021 data year will mark the first time the FBI and BJS will estimate reported crimes in the United States based solely on NIBRS data. These crime estimates will be derived from data submitted by states and local agencies that have been certified to report data in the 2021 data year.

Since June 2022

  • all 50 US states and the District of Columbia are certified to report crime data to NIBRS
  • 66% of the US population is covered by NIBRS reporting law enforcement agencies
  • 62 NIBRS-certified agencies serve cities of 250,000 or more, covering a total population of over 37 million people.

The map below represents the percentage of population covered by NIBRS reporting agencies in 2021, by state.

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