Terrorism and Targeted Violence (T2V) in the United States: Perpetrator Age Characteristics

This research brief explores the age characteristics of the perpetrators who were responsible for 1,306 terrorism and targeted violence crimes that were committed in the United States from January 1, 2023, through July 31, 2024. The data for this brief come from the Terrorism and Targeted Violence (T2V) in the United States database, which includes comprehensive information on foiled, failed, and successful attacks in the U.S. and its territories that were designed to have a significant impact on public safety or the security of critical infrastructure and key resources. The data include terrorism events, premeditated hate crimes, school-based targeted violence, workplace targeted violence, and public mass violence events that were motivated by personal grievances. More information about the T2V database can be found in the “About T2V” section at the end of this brief. The analysis presented here explores the distribution of ages associated with the individuals responsible for the crimes in T2V, paying particular attention to the rates at which juvenile offenders (i.e., individuals under the age of 18 at the time of their arrests and/or attacks) are involved in terrorism and targeted violence in the United States.

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