Share of U.S. veteran and active service members of the Wounded Warrior Project who reported head-related trauma during military service as of 2021, by incident*
Characteristic
Percentage of survey respondents
Falls
71%
Sports/physical training injury
63.9%
Blast/explosion (IED, RPG, land mine, grenade, etc.)**
55.9%
Motor vehicle, aircraft, or water transportation accident
38.5%
Other
28.1%
Fragment or bullet wound above the shoulders
10.2%
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* Respondents were members of the Wounded Warrior Project and are veterans and service members who incurred a physical or mental injury, illness, or wound while serving in the military on or after September 11, 2001.
Percentages do not total 100%, as warriors were asked to choose all that apply.
** IED: improvised explosive device; RPG: rocket-propelled grenade.
Citation formats
Share of U.S. WWP veterans who reported head-related trauma in 2021, by incident
As of 2021, around 71 percent of veterans and service members who incurred a physical or mental injury, illness, or wound while serving in the military on or after September 11, 2001 and who responded to the annual Wounded Warrior Project Survey in 2021 reported a fall resulted in head-related trauma. The Wounded Warrior Project (WWP) is a U.S. charity and veteran organization for veterans and service members who incurred a physical or mental injury, illness, or wound while serving in the military on or after September 11, 2001. This statistic shows the percentage of WWP members in the U.S. who reported head-related trauma during military service as of 2021, by incident.
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WWP. (February 22, 2022). Share of U.S. veteran and active service members of the Wounded Warrior Project who reported head-related trauma during military service as of 2021, by incident* [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 22, 2026, from /statistics/1311506/us-veterans-who-reported-head-related-trauma/
WWP. "Share of U.S. veteran and active service members of the Wounded Warrior Project who reported head-related trauma during military service as of 2021, by incident* ." Chart. February 22, 2022. ÌÇÐÄÆÆ½â°æ. Accessed July 22, 2026. /statistics/1311506/us-veterans-who-reported-head-related-trauma/
WWP. (2022). Share of U.S. veteran and active service members of the Wounded Warrior Project who reported head-related trauma during military service as of 2021, by incident* . ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 22, 2026. /statistics/1311506/us-veterans-who-reported-head-related-trauma/
WWP. "Share of U.S. Veteran and Active Service Members of The Wounded Warrior Project Who Reported Head-related Trauma during Military Service as of 2021, by Incident* ." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 22 Feb 2022, /statistics/1311506/us-veterans-who-reported-head-related-trauma/
WWP, Share of U.S. veteran and active service members of the Wounded Warrior Project who reported head-related trauma during military service as of 2021, by incident* ÌÇÐÄÆÆ½â°æ, /statistics/1311506/us-veterans-who-reported-head-related-trauma/ (last visited July 22, 2026)
Share of U.S. veteran and active service members of the Wounded Warrior Project who reported head-related trauma during military service as of 2021, by incident* [Graph], WWP, February 22, 2022. [Online]. Available: /statistics/1311506/us-veterans-who-reported-head-related-trauma/