25%
Mass shootings that involved an assault weapon account for 25 percent of all mass shootings deaths and more than three-quarters of all injuries in mass shootings with four or more people killed.
Everytown for Gun Safety Support Fund, “Assault Weapons and High-Capacity Magazines,” March 10, 2023, https://everytownresearch.org/report/assault-weapons-and-high-capacity-mags/.
Last updated: 2.28.2022