Crime Index (UCR) | Definition

Doc's CJ Glossary by Adam J. McKee
Course: Introduction

The Crime Index is an annual index of crimes in the United States based on the occurrences of murder and non-negligent manslaughter, forcible rape, robbery, aggravated assault, burglary, larceny (theft), and motor vehicle theft.


The Crime Index is an annual index that provides an overview of crime trends in the United States. It is based on a collection of seven types of crime: murder and non-negligent manslaughter, forcible rape, robbery, aggravated assault, burglary, larceny (theft), and motor vehicle theft. These crimes are collectively referred to as Part I offenses in the Uniform Crime Reporting (UCR) Program, which is administered by the Federal Bureau of Investigation (FBI).

The Crime Index is a valuable tool for tracking crime trends and developing strategies for crime prevention and reduction. By analyzing data from law enforcement agencies across the country, the index provides a comprehensive picture of crime patterns in the United States. It is also used to allocate resources for law enforcement agencies and to inform policy decisions related to crime prevention and criminal justice reform.

Murder and non-negligent manslaughter are among the most serious crimes included in the Crime Index. These offenses involve the intentional killing of another person and can result in significant legal and social consequences for offenders. Murder and non-negligent manslaughter are often closely examined by law enforcement agencies and policymakers due to their severity and the significant harm they cause to victims and their families.

Forcible rape is another serious offense included in the Crime Index. As discussed previously, it involves the non-consensual sexual penetration of an individual by force or threat of force. Forcible rape is a form of sexual violence and is considered to be one of the most serious and violent crimes that can be committed.

Robbery is a crime that involves the use of force or threat of force to take property from another person. It is considered to be a violent crime and can cause significant physical and psychological harm to victims. Aggravated assault is another violent crime included in the Crime Index. It involves the intentional infliction of serious bodily injury or the use of a deadly weapon.

Burglary, larceny (theft), and motor vehicle theft are property crimes that are included in the Crime Index. Burglary involves unlawful entry into a building or structure with the intent to commit a crime, while larceny involves the taking of property without the use of force. Motor vehicle theft involves the theft or attempted theft of a motor vehicle.


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Last Modified: 04/05/2023

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