All 34 incidents in 2025 involved a lone male shooter
In 2025, there were 34 active shooter incidents, each involving a male suspect who acted alone.
NCIER®
Shooter Details
Report pages 40–42: 35 claims on pp. 40–42 (fact 33, statement 2).
Claims in this section
23 shooters, nearly 68%, exhibited predatory behaviors showing planning
A significant portion of these shooters (23), nearly 68%, exhibited predatory behaviors, indicating they had intentionally planned and prepared to carry out their acts of violence.
Shooters aged 16 to 77; 18 (53%) were aged 25 to 34
Shooters were between 16 and 77 years old.Eighteen shooters (53%) were in the 25 to 34 year old age group.
Average shooter age has gradually decreased in recent years
The average age of the shooters has gradually decreased in recent years.
15 shooters (44%) had some connection to the location or victims
Fifteen shooters (44%) had some connection to the location or victims.
Seven insider-threat shooters: three commerce, three education, one government
Seven of them were identified as insider threats based on their status as students or employees at the time of the attack. These incidents occurred in commerce (three), education (three), and government (one) location categories.
Eight connected non-insider shooters, mostly at commerce (four) sites
The remaining eight shooters with connections were not considered insider threats. These incidents occurred in commerce (four), houses of worship (two), education (one), and open space (one).
Three of 34 shooters (9%) fired at multiple locations, mainly roadways
Three of the 34 shooters (9%) fired at victims at multiple locations. One attack occurred on multiple roadways, another took place along a busy highway,and the third occurred on a highway before the shooter continued on to a gas station. |
34 shooters used 49 firearms: handguns, rifles and shotguns
Thirty-four shooters used 49 firearms comprised of handguns, rifles, and shotguns.
Single firearm in 26 incidents: 14 handgun, nine rifle, three shotgun
A single firearm was used in 26 incidents: | Government | 35 Handgun (14 incidents) | Open Space | 28 Rifle (nine incidents) | Commerce | 30 Shotgun (three incidents) | Average Age: 30
Average shooter age was 30 in 2025 versus 33 in 2024
In 2025 the average age was 30 compared to 33 in 2024.
Multiple firearms were used in eight 2025 incidents
Multiple firearms were used in eight incidents:
One multiple-firearm incident involved two handguns
Two handguns (one incident);
15 shooters had a connection to the location, 19 had none
Connection (15) | No Connection (19)
Three multi-firearm incidents used a handgun and rifle; one a handgun and shotgun
A handgun and a rifle (three incidents); A handgun and a shotgun (one incident);
One incident involved a handgun, a rifle, and a shotgun
A handgun, a rifle, and a shotgun (one incident);
44% of shooters had a connection to the location, 56% had none
44% | 56%
One multi-firearm incident used two handguns, a rifle and a shotgun
Two handguns, a rifle, and a shotgun (one incident);
One incident involved three handguns, two rifles and a shotgun
Three handguns, two rifles, and a shotgun (one incident)
Average casualties: single handgun 4.4, single rifle 5.0, single shotgun 1.3
Shootings involving a single handgun averaged 4.4 casualties per incident, a single rifle averaged 5.0, and a single shotgun averaged 1.3.
Multiple-firearm attacks averaged 7.0 casualties per incident
Attacks using multiple firearms averaged 7.0 casualties per incident.
Seven shooters were insiders and 27 were non-insiders
Insider (7) | Non-Insider (27)
Single firearm incidents: 14 handgun, 9 rifle, 3 shotgun
Handgun (14 incidents) | Rifle (9 incidents) | Shotgun (3 incidents)
Firearms Used chart shows a value of 26 for handgun
Handgun | 26
Firearms Used chart shows a value of 16 for rifle
Rifle | 16
FBI casualty counts exclude the shooter
The FBI does not include the shooter in casualty counts.
Firearm data shows types per incident, not which firearm caused each casualty
This is a statistical representation of the types of firearms used in each incident, rather than an analysis of which specific firearm caused each type of casualty.
Firearms Used chart shows a value of 7 for shotgun
Shotgun 7
16 shooters apprehended in 2025: eight at the scene, eight elsewhere
Shooters apprehended (16) At the scene (eight) At another location (eight)
10 shooters died by suicide in 2025: eight at the scene, two elsewhere
Shooters died by suicide (10) At the scene (eight) At another location (two)
Five shooters were killed by law enforcement in 2025
Shooters killed by law enforcement (five)
Two shooters were killed by security personnel in 2025
Shooters killed by security (two)
One 2025 shooter fled and remains at large
Shooter fled and remains at large (one)
90% of 2025 shooters who died by suicide were aged 30 or younger
Among shooters who died by suicide, 90% were 30 years old or younger.
Both 2025 attackers under age 18 died by suicide
Notably, both attackers under the age of 18 died by suicide.
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