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National Incident-Based Reporting System (NIBRS)

National Incident-Based Reporting System (NIBRS) National Estimates API

Note!

In July of 2025, changes were made to specific endpoints. All datasets remain available using modified endpoint locations described in the access instructions below.

This page provides information on the National Incident-Based Reporting System (NIBRS) National Estimates datasets by using the Application Programming Interface (API), which uses the Representational State Transfer architecture, which is commonly referred to as Rest APIs.

NIBRS Estimation Program 

NIBRS...

LEARCAT Methodology

LEARCAT User Guide and Methodology


About LEARCAT

The Law Enforcement Agency Reported Crime Analysis Tool (LEARCAT) dashboard enables you to examine crime information reported by participating law enforcement agencies to the FBI’s National Incident-Based Reporting System (NIBRS). As of January 1, 2021, the FBI transitioned to NIBRS as the nation’s official law enforcement crime reporting standard. NIBRS collects details on crime incidents including the number...

Measuring Crime Reported to Law Enforcement using NIBRS Data Podcast

Listen as Erica Smith, Unit Chief overseeing the Law Enforcement Incident-Based Statistics Unit, BJS and Edward Abraham, Unit Chief, Crime and Law Enforcement Statistics Unit, Criminal Justice Information Services Division, FBI discuss the significant improvements the transition to the National Incident-Based Reporting System (NIBRS) offers in this Justice Today podcast.

Measuring Crime Reported to Law Enforcement using NIBRS Data