No 2025 incident involved multiple shooters
MULTIPLE SHOOTERS: No incident involved multiple shooters.
NCIER®
Shooter demographics
24 claims on pp. 7–51 (fact 24).
Claims about Shooter demographics
2025 shooters ranged in age from 16 to 77
AGE: The shooters’ ages ranged between 16 and 77 years old.
2025 snapshot: 34 incidents, 166 casualties, 34 shooters, 7 mass killings
34 | 166 | 34 | 07 INCIDENTS | CASUALTIES | SHOOTERS | MASS KILLINGS
All 2025 shooters were male and 41% of incidents occurred in commerce
100% | Male Shooter | 41% | Occurred in Commerce | 21 States and D.C.
One 2024 incident had two shooters; no 2025 incident had multiple shooters
In 2024, one incident had two shooters, while in 2025 no incident had multiple shooters.
Commerce shooters aged 21 to 45, eight aged 25-34, average age 30
Shooter ages in the commerce location category ranged from 21 to 45 years old. Notably, eight shooters were between 25 and 34 years old. The average age of shooters in this category was 30 years old.
Open space shooters were aged 20 to 34, averaging 28 years old
The shooters in this category were between 20 and 34 years old, with an average age of 28 years old.
Government-location shooters ranged in age from 18 to 77
Shooter ages in this category ranged from 18 to 77 years old.
Most government-location shooters were 25 to 34, like commerce and open space
Most shooters were between 25 and 34 years old, similar to both commerce and open space location categories.
Average government-location shooter age was 35
The average age of shooters in this category was 35 years old.
Education shooters were aged 16 to 48; current students averaged 18, overall average 25
Shooter ages ranged from 16 to 48 years old. Among the three shooters who were current students, two were under 18, and one was 20 years old. The 48 year old Brown University shooter was a former student. The overall average age was 25, but 18 among current students. |
House of worship shooters aged 23 to 40, averaging 31
The age of shooters in this category ranged between 23 and 40 years old, the average was 31 years old.
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.
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.
Average shooter age was 30 in 2025 versus 33 in 2024
In 2025 the average age was 30 compared to 33 in 2024.
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.
Two 2021-2025 incidents involved multiple shooters
MULTIPLE SHOOTERS: Two incidents had multiple shooters.
Of 219 shooters, 212 were male, six female and one unknown
GENDER: Of the 219 shooters, 212 were male, six were female, and one is unknown.
Shooters in 2021-2025 ranged from 12 to 77 years old
AGE: Shooters were between 12 and 77 years old.
Five-year shooters 212 male, 6 female; firearms 168 handguns, 80 rifles, 18 shotguns
SHOOTER GENDERS | FIREARMS Handgun | 168 212 | 6 | 1 | Rifle | 80 Male | Female | Unknown | Shotgun | 18 Unknown | 10
Shooter gender: 34 male in 2025; mostly male each year with few female shooters
34 Male | 22 Male | 48 Male | 48 Male | 60 Male Shooter Gender | 3 Female | 1 Female | 1 Female | 1 Female 1 Unknown
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