| Characteristic | Fatalities | Injured |
|---|---|---|
| Virginia Tech massacre (Blacksburg, Virginia, 2007) | 32 | 23 |
| Robb Elementary school massacre (Uvalde, Texas, 2022) | 21 | 17 |
| Columbine High School massacre (Littleton, Colorado, 1999) | 13 | 24 |
| Stockton schoolyard shooting (Stockton, California, 1989) | 6 | 29 |
| Marjory Stoneman Douglas High School shooting (Parkland, Florida, 2018) | 17 | 17 |
| Sandy Hook Elementary massacre (Newtown, Connecticut, 2012) | 27 | 2 |
| Thurston High School shooting (Springfield, Oregon, 1998) | 4 | 25 |
| Northern Illinois University shooting (DeKalb, Illinois, 2008) | 5 | 21 |
| Santa Fe High School shooting (Santa Fe, Texas, 2018) | 10 | 13 |
| Isla Vista mass murder (Santa Barbara, California, 2014) | 6 | 13 |
| Umpqua Community College shooting (Roseburg, Oregon, 2015) | 9 | 9 |
| Red Lake massacre (Red Lake, Minnesota, 2005) | 10 | 5 |
| Westside Middle School killings (Jonesboro, Arkansas, 1998) | 5 | 10 |
| Lindhurst High School shooting (Olivehurst, California, 1992) | 4 | 10 |
| Apalachee High School shooting (Winder, Georgia, 2023) | 4 | 9 |
| Nashville religious school schooting (Nashville, Tennessee, 2023) | 6 | 6 |
| Brown University and MIT shooting (Providence, Rhode Island, 2025) | 3 | 9 |
| Amish school shooting (Lancaster County, Pennsylvania, 2006) | 6 | 5 |
| Oxford High School shooting (Oxford, Michigan, 2021) | 4 | 7 |
| Oikos University killings (Oakland, California, 2012) | 7 | 3 |
| Michigan State University shooting (East Lansing, Michigan, 2023) | 3 | 5 |
| University of Iowa shooting (Iowa City, Iowa, 1991) | 6 | 1 |
| Marysville-Pilchuck High School shooting (Marysville, Washington, 2014) | 5 | 1 |
| University of Virginia shooting (Charlottesville, Virginia, 2022) | 3 | 2 |
| UNLV shooting (Las Vegas, Nevada, 2023) | 3 | 1 |
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Source
Release date
March 2026
Region
United States
Survey time period
August 1982 to March 2026
Supplementary notes
Since 2013, the source defines a mass shooting as any single attack in a public place with three or more fatalities, in line with the definition by the FBI. Before 2013, a mass shooting was defined as any single attack in a public place with four or more fatalities.
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