Risk Analysis of Mass Shootings Committed by Immigrants and Native-Born Americans

A total of 298 mass shooters were responsible for 1,733 murders and 2,459 people injured in the United States from 1966 through the end of 2024. Over the 59 years studied here, the chance of being murdered by a mass shooter was about 1 in 9.1 million per year, and the annual chance of being injured was about 1 in 6.4 million. The murder victims of mass shooters account for about 0.15 percent of all homicides from 1966 through the end of 2024, but that percentage has risen in recent years.

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