From 1966 to 2021, the most common background trait of mass shooters in the United States was a criminal record, at 64.5 percent, followed by a history of violence at 62.8 percent. In comparison, gang affiliation was the least common trait of mass shooters, at 1.7 percent.
Share of mass shooters with various background traits in the United States from 1966 to 2021
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Share of mass shooters
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The Violence Project. (June 1, 2021). Share of mass shooters with various background traits in the United States from 1966 to 2021 [Graph]. In Statista. Retrieved August 24, 2024, from https://www.statista.com/statistics/1384818/background-traits-of-mass-shooters-us/
The Violence Project. "Share of mass shooters with various background traits in the United States from 1966 to 2021." Chart. June 1, 2021. Statista. Accessed August 24, 2024. https://www.statista.com/statistics/1384818/background-traits-of-mass-shooters-us/
The Violence Project. (2021). Share of mass shooters with various background traits in the United States from 1966 to 2021. Statista. Statista Inc.. Accessed: August 24, 2024. https://www.statista.com/statistics/1384818/background-traits-of-mass-shooters-us/
The Violence Project. "Share of Mass Shooters with Various Background Traits in The United States from 1966 to 2021." Statista, Statista Inc., 1 Jun 2021, https://www.statista.com/statistics/1384818/background-traits-of-mass-shooters-us/
The Violence Project, Share of mass shooters with various background traits in the United States from 1966 to 2021 Statista, https://www.statista.com/statistics/1384818/background-traits-of-mass-shooters-us/ (last visited August 24, 2024)
Share of mass shooters with various background traits in the United States from 1966 to 2021 [Graph], The Violence Project, June 1, 2021. [Online]. Available: https://www.statista.com/statistics/1384818/background-traits-of-mass-shooters-us/