400%

Mass shootings involving at least one assault weapon or firearm equipped with a high-capacity magazine lead to 400 percent more victims.

Everytown Research analysis of mass shootings in the United States, 2016–2025. A mass shooting is defined as any incident in which four or more people were shot and killed in a single incident. Tannuja D. Rozario and Paige Tetens, “Assault Weapons and High-Capacity Magazines,” Everytown for Gun Safety Support Fund, June 24, 2026, https://everytownresearch.org/report/assault-weapons-and-high-capacity-magazines/.

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+62%

From 1990 to 2017, the use of high-capacity magazines in high-fatality shootings resulted in a 62 percent increase in the average death toll of mass shootings.

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If the federal ban on assault weapons and high-capacity magazines had remained in effect from 2005 through 2022, an estimated 38 public mass shootings could have been prevented.

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+64%

Data from the ATF show that recoveries of firearms in calibers associated with assault weapons rose from about 18,000 in 2018 to nearly 30,000 in 2023—a 64 percent increase.

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53%

In 2023, firearms made up 53% of nonveteran suicides

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