Traumatic brain injury accounts for 1.7 million emergency department visits each year among U.S. adults aged 75 and older. Mild cases represent 53 percent of these visits. Globally the condition contributes to 27 million disability-adjusted life years lost annually.
Key Takeaways
- 69% of people with traumatic brain injury (TBI) have at least one other injury in addition to the head injury
- About 1.7 million TBI-related emergency department visits occur in the U.S. among adults aged 75+ (annual estimate)
- A 2015 systematic review found concussion is underdiagnosed, with a proportion of athletes returning-to-play without reporting symptoms ranging up to about 50% in some cohorts
- Globally, traumatic brain injury is associated with an estimated 27 million disability-adjusted life years (DALYs) lost per year
- Globally, traumatic brain injury is associated with 0.69% of all years of life lost (YLLs) in the Global Burden of Disease (GBD) study
- The Global Burden of Disease estimated 245 million disability-adjusted life years (DALYs) for TBI in 2016
- In a large cohort of mild TBI, about 10% of patients had persistent symptoms at 3 months
- In a multi-site observational study, nearly 30% of patients with mild TBI had persistent postconcussive symptoms at 90 days
- Among adults with TBI, about 15–20% develop post-traumatic epilepsy (risk estimate range reported in major review literature)
- 61.2% of U.S. adults with a history of concussion reported at least one lifetime symptom (from CDC survey-based analysis)
- 7.3% of people with TBI report difficulty with self-care (survey-based prevalence)
- 54% of athletes with diagnosed concussion reported not returning to play the same day (survey-based finding from U.S. sports concussion program data)
- About 42% of youth who sustained a concussion did not report symptoms in time to a coach/official (survey-based finding in U.S. youth concussion behavior study)
- In the U.S., TBI accounted for 1.2% of all injury-related emergency department visits in 2022
- Lifetime prevalence of TBI among U.S. adults is about 9%
TBI affects millions, often with other injuries, and can leave lasting disability, cognitive issues, and seizures.
Related reading
01 · Category
Clinical Outcomes13 stats
01
In a large cohort of mild TBI, about 10% of patients had persistent symptoms at 3 months
02
In a multi-site observational study, nearly 30% of patients with mild TBI had persistent postconcussive symptoms at 90 days
03
Among adults with TBI, about 15–20% develop post-traumatic epilepsy (risk estimate range reported in major review literature)
04
Traumatic brain injury approximately triples the risk of developing Alzheimer’s disease and related dementias (reported association in cohort/observational literature synthesis)
05
In traumatic brain injury survivors, 25–33% report long-term cognitive impairments (range reported in review literature)
06
In a meta-analysis, 53% of patients with moderate-to-severe TBI had disability at follow-up (as measured by functional outcome scales)
07
In a large registry-based study, in-hospital mortality for severe TBI was about 30% (reported outcome rate for severe TBI cohort)
08
In a randomized trial, early rehabilitation within 24–72 hours after TBI improved functional outcome scores compared with later initiation
09
Cognitive-communication disorders occur in about 30–65% of individuals after TBI (reported prevalence range in clinical literature reviews)
10
Post-traumatic stress disorder (PTSD) occurs in about 10–20% of people after TBI (prevalence range reported in systematic review literature)
11
Depression occurs in about 30% of individuals after TBI (reported prevalence range in clinical reviews)
12
Risk of venous thromboembolism after TBI is elevated; pooled incidence reported around 20% in some cohorts
13
In a concussion return-to-play protocol, graded exertion typically progresses over 5 steps, each separated by at least 24 hours
Interpretation
Clinical Outcomes Interpretation
Overall clinical outcomes after head injury are far from uniform, with roughly 10 to nearly 30 percent of mild TBI patients still reporting symptoms at around 3 months and meta-analytic data showing disability in 53 percent of those with moderate to severe TBI at follow-up.
02 · Category
Outcomes & Risk7 stats
01
7.3% of people with TBI report difficulty with self-care (survey-based prevalence)
02
54% of athletes with diagnosed concussion reported not returning to play the same day (survey-based finding from U.S. sports concussion program data)
03
About 42% of youth who sustained a concussion did not report symptoms in time to a coach/official (survey-based finding in U.S. youth concussion behavior study)
04
A 2020 systematic review reported that post-traumatic fatigue affects about 18% of people after traumatic brain injury (pooled prevalence estimate across studies)
05
A 2021 cohort study found that patients with TBI had higher 1-year risk of epilepsy than those without TBI (risk increase quantified in study)
06
In U.S. Medicare claims data, traumatic brain injury is associated with increased risk of Alzheimer’s disease and related dementias over follow-up (study-reported hazard estimates)
07
In-hospital mortality for severe TBI was about 30% (reported outcome rate for severe TBI cohort)
Interpretation
Outcomes & Risk Interpretation
Across outcomes and risk, surveys and studies show that after head injury or TBI significant longer term consequences are common, including 54% of athletes not returning to play the same day after concussion, about 18% experiencing post traumatic fatigue, 7.3% reporting difficulty with self care, and TBI patients facing higher 1 year epilepsy risk along with increased Alzheimer’s and dementia risk in Medicare data.
03 · Category
Epidemiology6 stats
01
69% of people with traumatic brain injury (TBI) have at least one other injury in addition to the head injury
02
About 1.7 million TBI-related emergency department visits occur in the U.S. among adults aged 75+ (annual estimate)
03
A 2015 systematic review found concussion is underdiagnosed, with a proportion of athletes returning-to-play without reporting symptoms ranging up to about 50% in some cohorts
04
In a CDC emergency department surveillance study, 53% of TBI ED visits were classified as mild TBI
05
1.7 million TBI-related emergency department visits occur in the U.S. among adults aged 75+ (annual estimate)
06
In the U.S., “other” external causes accounted for 4% of TBI-related ED visits (2017–2019 national estimates, weighted analysis)
Interpretation
Epidemiology Interpretation
Epidemiology data show that among adults aged 75 and older, about 1.7 million TBI-related emergency department visits occur annually in the U.S., with 53% classified as mild TBI and 69% involving at least one additional injury, underscoring how common and multifaceted TBI is in real-world healthcare encounters.
More related reading
04 · Category
Treatment Pathways5 stats
01
A 2018 systematic review reported that patients with TBI had increased risk of developing epilepsy compared with controls (pooled hazard ratio reported across studies)
02
A 2020 Cochrane review found evidence that structured rehabilitation interventions can improve functional outcomes after TBI compared with usual care (effect size reported)
03
In a randomized controlled trial, early cognitive rehabilitation after mild TBI improved neurocognitive performance at follow-up compared with standard care (group difference reported)
04
A 2019 clinical practice guideline recommends individualized vestibular rehabilitation for patients with persistent post-concussion dizziness (recommendation strength stated)
05
A 2021 guideline states that patients with persistent symptoms after mild TBI may benefit from multidisciplinary care (recommendation statement)
Interpretation
Treatment Pathways Interpretation
Across treatment pathways, the evidence base shows clear momentum toward structured and targeted rehabilitation after TBI, with a 2018 systematic review linking TBI to a higher epilepsy risk and newer reviews and trials in 2020 and beyond supporting early cognitive rehab and individualized vestibular or multidisciplinary care for persistent post-concussion symptoms.
05 · Category
Economic Impact4 stats
01
Globally, traumatic brain injury is associated with an estimated 27 million disability-adjusted life years (DALYs) lost per year
02
Globally, traumatic brain injury is associated with 0.69% of all years of life lost (YLLs) in the Global Burden of Disease (GBD) study
03
The Global Burden of Disease estimated 245 million disability-adjusted life years (DALYs) for TBI in 2016
04
The Global Burden of Disease estimated age-standardized incidence of TBI at 500.0 per 100,000 population in 2016
Interpretation
Economic Impact Interpretation
From an economic impact perspective, traumatic brain injury remains a major global burden, with 27 million DALYs lost each year worldwide and 245 million DALYs estimated in 2016, alongside an incidence of about 500 cases per 100,000 people in 2016.
06 · Category
Industry Overview10 stats
01
In the U.S., TBI accounted for 1.2% of all injury-related emergency department visits in 2022
02
Lifetime prevalence of TBI among U.S. adults is about 9%
03
In a prospective observational study, 32% of patients with concussion reported persistent symptoms at 3 months (mild TBI follow-up)
04
In the WHO Global Health Estimates, injury is the 8th leading cause of death globally (2019), and TBI is a major component of injury
05
0.7 per 1,000 children (ages 0–17) were hospitalized with TBI in the U.S. in 2016–2019
06
Traumatic brain injury is the leading cause of death and disability in children and young adults in many high-income settings (injury-related burden)
07
In-hospital mortality for severe TBI in a large national database was 30.9%
08
61.2% of U.S. adults with a history of concussion reported at least one lifetime symptom (from CDC survey-based analysis)
09
Adults aged 65+ accounted for 19.5% of TBI-related emergency department visits in the U.S. (2019)
10
U.S. annual economic burden of TBI was estimated at $76.5 billion (2013 dollars) in an Institute of Medicine/CDC synthesis
Interpretation
Industry Overview Interpretation
Across the industry overview of head injury, traumatic brain injury affects far more than a niche group, with TBI making up 1.2% of US injury-related emergency department visits in 2022 and a lifetime prevalence of about 9% among adults, while persistent post-concussion symptoms still show up in 32% of patients months later.
report visual · Comparison
Persistent symptoms after mild TBI: what studies show
Across multiple studies of mild TBI and concussion, a substantial share of people report persistent symptoms at around 3 months to 90 days.
In a prospective observational study, 32% of patients with concussion reported persistent symptoms at 3 months (mild TBI32%
In a multi-site observational study, nearly 30% of patients with mild TBI had persistent postconcussive symptoms at 90 d
30%
In a large cohort of mild TBI, about 10% of patients had persistent symptoms at 3 months
10%
source-verifiedncbi.nlm.nih.gov · jamanetwork.com · sciencedirect.com
Reference
Cite This Report
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APA
Marcus Afolabi. (2026, February 13). Head Injury Statistics. Gitnux. https://gitnux.org/head-injury-statistics
MLA
Marcus Afolabi. "Head Injury Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/head-injury-statistics.
Chicago
Marcus Afolabi. 2026. "Head Injury Statistics." Gitnux. https://gitnux.org/head-injury-statistics.
Sources & references
45 datasets cited across this report · attribution is report-level
+27 additional datasets cited (not shown individually)