A survey of U.S. adults from 2025 found that around 29 percent reported that as a result of a blow or jolt to the head, they had been knocked out or lost consciousness, been dazed or confused, or had a gap in their memory. This means these individuals experienced symptoms of a brain injury after a head injury.
Percentage of adults in the United States who had ever been knocked unconscious as of 2025
Original question: "As a result of a blow or jolt to the head, have you ever been knocked out or lost consciousness, been dazed or confused, or had a gap in your memory?"
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Brain Injury Association of America. (March 5, 2025). Percentage of adults in the United States who had ever been knocked unconscious as of 2025 [Graph]. In Statista. Retrieved May 05, 2025, from https://www.statista.com/statistics/1607420/ever-been-knocked-unconscious-us-adults/
Brain Injury Association of America. "Percentage of adults in the United States who had ever been knocked unconscious as of 2025." Chart. March 5, 2025. Statista. Accessed May 05, 2025. https://www.statista.com/statistics/1607420/ever-been-knocked-unconscious-us-adults/
Brain Injury Association of America. (2025). Percentage of adults in the United States who had ever been knocked unconscious as of 2025. Statista. Statista Inc.. Accessed: May 05, 2025. https://www.statista.com/statistics/1607420/ever-been-knocked-unconscious-us-adults/
Brain Injury Association of America. "Percentage of Adults in The United States Who Had Ever Been Knocked Unconscious as of 2025." Statista, Statista Inc., 5 Mar 2025, https://www.statista.com/statistics/1607420/ever-been-knocked-unconscious-us-adults/
Brain Injury Association of America, Percentage of adults in the United States who had ever been knocked unconscious as of 2025 Statista, https://www.statista.com/statistics/1607420/ever-been-knocked-unconscious-us-adults/ (last visited May 05, 2025)
Percentage of adults in the United States who had ever been knocked unconscious as of 2025 [Graph], Brain Injury Association of America, March 5, 2025. [Online]. Available: https://www.statista.com/statistics/1607420/ever-been-knocked-unconscious-us-adults/