Lists of mass shootings in the United States

From Wikipedia, the free encyclopedia

These are lists of the most notable mass shootings in the United States that have occurred since 1900:

Map of the United States showing the locations of the deadliest mass shootings
Lists of mass shootings in the United States
Lists of mass shootings in the United States
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Lists of mass shootings in the United States
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Deadliest mass shootings in the United States since 1949 (with 10 or more fatalities excluding perpetrators)
Map of the United States showing the locations of mass shootings
Lists of mass shootings in the United States
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Most notable mass shootings in the contiguous United States
Map of Alaska showing the locations of mass shootings
Lists of mass shootings in the United States
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Mass shootings in Alaska
Map of Hawaii showing the locations of mass shootings
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Mass shootings in Hawaii
Map of Puerto Rico showing the locations of mass shootings
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Mass shootings in Puerto Rico
Map of the United States Virgin Islands showing the locations of mass shootings
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Mass shootings in the United States Virgin Islands
Map of the Northern Mariana Islands showing the locations of mass shootings
Lists of mass shootings in the United States
Mass shootings in the Northern Mariana Islands

Mass shootings are incidents involving several victims of firearm-related violence. The precise inclusion criteria are disputed, and there is no broadly accepted definition.[1][2] Only shootings that have Wikipedia articles of their own are included in this list. Detailed lists of mass shootings can be found per year at their respective pages.

The Gun Violence Archive, a nonprofit research group that tracks shootings and their characteristics in the United States, defines a mass shooting as an incident in which four or more people, excluding the perpetrator(s), are shot in one location at roughly the same time,[3] with the FBI having a minimum of three. The Congressional Research Service narrows that definition further, only considering what it defines as "public mass shootings", and only considering victims as those who are killed, excluding any victims who survive.[2] The Washington Post and Mother Jones use similar definitions, with the latter acknowledging that their definition "is a conservative measure of the problem", as many rampages with fewer fatalities occur.[4][5] The crowdsourced Mass Shooting Tracker project uses a looser definition than the Gun Violence Archive's definition: four people shot in one incident regardless of the circumstances.[6]

Larger documentation of mass shootings in the United States has occurred through independent and scholarly studies such as the Stanford University Mass Shootings in America Data Project.[4][7]

Definitions

There are varying definitions of a mass shooting. Listed roughly from broadest to most restrictive:

  • Stanford MSA Data Project: three or more persons shot in one incident, excluding the perpetrator(s), at one location, at roughly the same time. Excluded are shootings associated with organized crime, gangs or drug wars.[7]
  • Mass Shooting Tracker: 4+ shot in one incident, at one location, at roughly the same time.[6]
  • Gun Violence Archive/Vox: 4+ shot in one incident, excluding the perpetrator(s), at one location, at roughly the same time.[3]
  • Mother Jones: 3+ shot and killed in one incident, excluding the perpetrator(s), at a public place, excluding gang-related killings.[8]
  • The Washington Post: 4+ shot and killed in one incident, excluding the perpetrator(s), at a public place, excluding gang-related killings.[4]
  • Congressional Research Service: 4+ shot and killed in one incident, excluding the perpetrator(s), at a public place, excluding gang-related killings, acts carried out that were inspired by criminal profit, and terrorism.[2]

Summaries

Summary list since 2018 which includes all mass shooting events, deaths, injuries, and victims documented across Wikipedia. Sources for these statistics can be found in the corresponding articles.

More information Year, Events ...
Year Events Dead Injured Victims
2025 425 420 1900 2320
2024 586 711 2375 3086
2023 600 739 2440 3179
2022 695 762 2902 3664
2021 690 431 1688 2125
2020 615 521 2541 3062
2019 434 517 1643 2160
2018 323 387 1283 1670
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Data compiled from gunviolencearchive.org

Server gunviolencearchive.org provides data about mass shootings from the beginning of 2013, including the date, U.S. city and state, number of killed, number of wounded, perpetrators, and sources on internet. Following are some reports out of this data.

Summary for the years 2013 through 2017 (inclusive) with at least 4 victims per event.

More information Year, Events ...
Year Events Dead Injured Victims
201743460019942594
201647960617902396
201537146913871856
201432536412131577
201333946711761643
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Summary for the years 2013 through 2017 (inclusive) with at least 4 people killed per event.

More information Year, Events ...
Year Events Dead Injured Victims
201724960011131713
20162706068511457
20152124696221091
2014180364512876
20132094675511018
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Top 10 U.S. States with most mass shootings each year.

More information Year, States with most mass shootings ...
Year States with most mass shootings
2024 (Jan–Jul)FL/IL (31), CA (26), TX (22), PA (21), MO (19), MS/AL (18), GA/NC (16)
2023CA (58), IL (54), FL/PA/NC (36), OH (35), LA (33), GA (30), MS (26), TN (25)
2022TX (63), IL (61), CA (58), GA/PA (39), NY (36), FL (34), LA (33), MI (29), NC (27)
2021IL (91), TX (72), CA (54), OH (43), NY (41), PA/LA (39), FL (34), AL (31), MI/GA (28)
2020IL (77), TX (50), CA (44), FL (41), NY (39), PA (36), LA (33), MO (27), OH (26), MI (25)
2019CA (54), IL (45), TX (42), LA (28), MD (25), PA (24), OH (21), GA/FL (20), MO (19)
2018CA (45), IL (41), FL (37), TN (23), TX (21), PA (20), MO (19), NC/NY/AL (17)
2017CA (49), IL (41), TX (30), FL (29), OH (26), PA (20), LA (19), NY/TN (15), NJ (14),
2016CA (52), IL (46), TX (44), FL (35), GA (23), AL (22), NY/LA (17), OH (16), TN (15),
2015FL (30), CA (28), IL (26), NY (22), GA/TX (21), LA (18), OH (16), MD/PA (14)
2014CA (43), IL (33), FL (22), TX (21), GA (19), MI (15), NY/TN/PA (13), LA (12)
2013CA (47), FL/IL (21), NC (17), NY (16), MI/TX/PA (15), MO (13), TN/VA/OH (11)
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Deadliest months in the U.S. (regarding mass shootings) each year.

More information Year, Deadliest months ...
Year Deadliest months
2024 (Jan–Jul)Jun (80), Jul (70), May (54), Jan (46), Mar (44)
2023Jul (92), May (88), Jun (80), Apr (75), Oct (70)
2022Jul (103), Aug (78), Jun (77), Sep (76), May (74)
2021Jun (98), Jul (95), May (92), Oct (83), Aug (81)
2020Jun (106), Jul (101), Aug (83), Sep (70), May (70)
2019Jun (60), Jul (57), Aug (56), May (53), Dec (44)
2018Jul (60), Jun (59), Sep (41), May (38), Aug (37)
2017Jul (46), Apr (46), Jun (44), Jan (43), Aug (41)
2016Jul (59), Jun (53), Aug (51), Nov (43), Sep (42)
2015Jul (45), Jun (42), Aug (41), May (38), Sep (38)
2014Aug (50), Jul (34), May (29), Sep (28), Dec (27)
2013Jun (39), Jul (38), May (34), Sep (33), Aug (32)
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Months with most mass shooting events.

More information Month, Events ...
Month Events
July800
June763
August632
May631
September521
April511
October501
November425
March416
January403
February373
December360
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Months with most casualties in mass shootings.

More information Month, Dead ...
Month Dead
June826
July784
May729
October690
August644
January633
April606
February567
November561
September537
March524
December487
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US Mass Shootings, 1982–2024 – Data From Mother Jones’ Investigation

Data from the article from Mother Jones[9] compile data about 150 mass shootings from 1982, 22 of which classifies as a "Sprees". The data reveal, among other things:

  • the age of perpetrator(s). The youngest was 11, the oldest 72, the average is 33 years and 8 months.
  • the gender of perpetrator(s). Out of 150 events listed, 144 of them are committed by males, 4 by females, 2 by male and female. First shooting perpetrated by a female from the list is from 2006.
  • the environment: 35.3% workplace, 15.3% school, 5.3% religious, 4% military, 36.7% other.
  • whether the weapon was obtained legally: yes (in 64.7% of all cases); no (10.6%), unknown/to be determined (24.7%)
  • the ethnicity of perpetrator(s): white (54% of all cases), black (17.3%), Latino (8%), Asian (6.7%), Native American (2%)

See also

References

External links

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