Untreated mental illness costs the U.S. $193.2 billion each year in lost earnings. Untreated depression and anxiety add about $1 trillion globally in lost productivity. The same treatment gap drives $122.7 billion in U.S. criminal justice costs for serious mental illness and worsens outcomes that ripple through work, health, and safety.
Key Takeaways
- Untreated mental illness costs U.S. $193.2 billion annually in lost earnings
- Global economic loss from untreated depression and anxiety: $1 trillion yearly in productivity
- U.S. untreated serious mental illness: $122.7 billion in criminal justice costs per year
- Untreated heart disease patients with depression: 40% higher mortality
- Untreated depression increases risk of heart attack by 50% within 6 years
- Individuals with untreated schizophrenia have 2.5 times higher cardiovascular disease mortality
- Approximately 14.3 million adults in the U.S. aged 18-25 (57.0% of those with any mental illness) received no mental health treatment in 2021
- In 2020, 52.4% of U.S. adults with serious mental illness (about 5.0 million people) did not receive treatment
- Globally, 71% of people with psychosis in low- and middle-income countries receive no treatment for their condition
- Untreated mental illness linked to 25% of U.S. homeless population (650,000 people)
- U.S. untreated serious mental illness: 1/3 of homeless adults affected
- Untreated mental disorders increase divorce risk by 50% in first 5 years
- Untreated depression doubles suicide risk; 90% of suicide completers had untreated mental illness
- In the U.S., untreated serious mental illness linked to 25-50% of suicides annually (about 10,000 deaths)
- Globally, 800,000 suicides yearly, over 70% associated with untreated depression
Untreated mental illness costs trillions globally, drives homelessness and suicide, and leaves most people without care.
Related reading
01 · Category
Economic Costs21 stats
01
Untreated mental illness costs U.S. $193.2 billion annually in lost earnings
02
Global economic loss from untreated depression and anxiety: $1 trillion yearly in productivity
03
U.S. untreated serious mental illness: $122.7 billion in criminal justice costs per year
04
Untreated ADHD costs U.S. $143-259 billion annually in healthcare and productivity
05
In the UK, untreated mental health issues cost £94 billion yearly to economy
06
Global untreated schizophrenia: $2.8 trillion productivity loss by 2030 projected
07
U.S. depression untreated: $44 billion in medical costs annually
08
Australia: Untreated mental disorders cost AUD 70 billion per year in lost productivity
09
EU: Untreated depression costs €118 billion yearly in absenteeism/presenteeism
10
Canada: Untreated mental illness economic burden $50 billion CAD annually
11
India: Untreated mental disorders cost 1-2% of GDP yearly ($20-30 billion)
12
U.S. bipolar untreated: $202 billion lifetime cost per cohort
13
Global anxiety disorders untreated: $1 trillion productivity loss 2011 estimate
14
U.S. prisons: $80 billion annual cost from untreated mental illness recidivism
15
UK workplace: Untreated mental health causes 17.9 million lost work days yearly
16
Brazil: Untreated depression economic impact $4.5 billion USD equivalent yearly
17
U.S. youth untreated mental health: $247 billion lifetime earnings loss
18
Global PTSD untreated: $178 billion U.S. cost alone in 2018
19
Sweden: Untreated OCD costs SEK 25 billion annually in societal burden
20
U.S. elderly untreated depression: $9.7 billion Medicare excess costs yearly
21
China: Untreated mental illness GDP loss 0.5% annually ($100 billion)
Interpretation
Economic Costs Interpretation
Our collective refusal to pay for mental healthcare upfront is a spectacularly expensive act of self-sabotage, racking up a global tab in the trillions for the bleak privilege of being miserably unproductive, incarcerated, or sick.
02 · Category
Physical Health Effects27 stats
01
Untreated heart disease patients with depression: 40% higher mortality
02
Untreated depression increases risk of heart attack by 50% within 6 years
03
Individuals with untreated schizophrenia have 2.5 times higher cardiovascular disease mortality
04
Untreated anxiety linked to 30% increased stroke risk
05
Bipolar disorder untreated raises diabetes risk by 3-fold
06
Untreated PTSD associated with 2-3 times higher obesity rates
07
Depression untreated doubles chronic pain incidence
08
Untreated mental illness in cancer patients: 50% higher mortality
09
Schizophrenia untreated: 85% higher rate of metabolic syndrome
10
Untreated ADHD in adults increases hypertension risk by 40%
11
Perinatal depression untreated: 25% preterm birth risk increase
12
Untreated OCD linked to gastrointestinal disorders 2x more frequent
13
Bipolar untreated: 2x COPD hospitalization rates
14
Untreated depression in elderly: 60% higher hip fracture risk
15
PTSD untreated in veterans: 50% higher autoimmune disease incidence
16
Untreated anxiety: 35% increased dementia risk over 10 years
17
Schizophrenia untreated elevates HIV infection risk 4-fold due to risky behaviors
18
Untreated eating disorders: 50% osteoporosis prevalence in anorexia
19
Depression untreated worsens HIV progression, doubling AIDS onset speed
20
Untreated personality disorders: 3x chronic fatigue syndrome rates
21
Bipolar untreated: 4x liver disease mortality from substance comorbidity
22
Untreated ADHD children: 2.5x accidental injury hospitalizations
23
Anxiety untreated in cardiac patients: 25% rehospitalization increase
24
Untreated psychosis: 20% higher respiratory disease deaths
25
Depression untreated triples Alzheimer's progression rate
26
Untreated PTSD: 45% higher arthritis prevalence
27
Schizophrenia untreated: 3x cancer mortality disparity
Interpretation
Physical Health Effects Interpretation
The grim tally from ignoring mental illness is a body count in plain sight, where the mind's untreated wounds become the flesh's fatal diagnoses.
03 · Category
Prevalence and Rates30 stats
01
Approximately 14.3 million adults in the U.S. aged 18-25 (57.0% of those with any mental illness) received no mental health treatment in 2021
02
In 2020, 52.4% of U.S. adults with serious mental illness (about 5.0 million people) did not receive treatment
03
Globally, 71% of people with psychosis in low- and middle-income countries receive no treatment for their condition
04
In the EU, around 60% of individuals with depression go untreated annually, affecting over 20 million people
05
75% of children and adolescents with mental health disorders in low-income countries receive no care
06
In Australia, 55% of people with anxiety disorders in the past year did not access treatment
07
UK data shows 41% of adults with common mental disorders untreated in primary care settings in 2014
08
In Canada, 60% of youth with depression receive no professional help
09
India has over 150 million people with mental disorders, with 90% untreated due to stigma and access issues
10
In Brazil, 83% of those needing mental health care for severe disorders go without it
11
South Africa reports 75-90% treatment gap for common mental disorders
12
In Japan, 70% of individuals with mood disorders remain untreated
13
Russia has a 65% gap in schizophrenia treatment coverage
14
Mexico sees 89% of people with mental illness untreated
15
Nigeria estimates 90% treatment non-utilization for mental disorders
16
In the U.S., 64.5% of adults with serious psychological distress did not receive care in 2019
17
Europe-wide, 50-70% of schizophrenia patients untreated in community settings
18
China has 54 million with depression, 95% untreated
19
In Sweden, 40% of anxiety disorder cases untreated despite high healthcare access
20
U.S. veterans: 50-70% with PTSD untreated post-deployment
21
Globally, 4 in 5 people in low/middle-income countries with depression untreated
22
In the U.S., Black adults with mental illness are 50% less likely to receive treatment than whites, leading to higher untreated rates
23
30 million Europeans with depression annually, two-thirds untreated
24
In the U.S., rural areas have 25% higher untreated mental illness rates than urban
25
Among U.S. college students, 60% with mental health issues seek no help
26
Untreated ADHD in U.S. children affects 6.1 million, with 70% not medicated or therapied
27
In the UK, 1 in 8 adults experience mental distress, half untreated yearly
28
Australia: Indigenous populations have 80% untreated mental illness rates
29
Global bipolar disorder: 80% in developing countries untreated
30
U.S. homeless: 90% with mental illness untreated
Interpretation
Prevalence and Rates Interpretation
It’s a global epidemic of silence, where the majority of minds in need are left stranded on an island of stigma, poverty, and broken systems.
More related reading
05 · Category
Suicide and Mortality30 stats
01
Untreated depression doubles suicide risk; 90% of suicide completers had untreated mental illness
02
In the U.S., untreated serious mental illness linked to 25-50% of suicides annually (about 10,000 deaths)
03
Globally, 800,000 suicides yearly, over 70% associated with untreated depression
04
Untreated schizophrenia increases suicide risk 20-fold, with 5-10% lifetime rate vs 1% general
05
U.S. youth: Untreated mental illness precedes 90% of adolescent suicides
06
In the UK, 25% of suicides among untreated mental health patients in contact with services
07
Untreated bipolar disorder: suicide rate 15-20 times higher than general population
08
Elderly with untreated depression: 15% suicide attempt rate vs 0.5% treated
09
In low-income countries, untreated psychosis leads to 40% excess mortality from suicide
10
U.S. veterans with untreated PTSD: 22 daily suicides
11
Untreated anxiety disorders increase suicide risk by 3-5 times
12
Schizophrenia untreated: 10% suicide rate in first 10 years post-diagnosis
13
Global untreated OCD linked to 10-fold suicide risk elevation
14
In Canada, untreated mood disorders account for 60% of psychiatric hospitalizations for suicide attempts
15
U.S. prisons: 40% suicides among untreated mentally ill inmates
16
Untreated substance use with mental illness comorbidity triples suicide mortality
17
Women with untreated perinatal depression: 20% higher suicide risk
18
Untreated personality disorders: 10% lifetime suicide rate
19
In Australia, untreated mental illness in suicides rose to 65% in 2020
20
U.S. Native Americans: 80% suicides linked to untreated mental health issues
21
Untreated eating disorders: 20% mortality rate from suicide in anorexia
22
Global data: Untreated severe mental illness shortens life by 15-20 years
23
U.S.: 30,000 annual deaths from untreated mental illness-related suicides
24
Untreated PTSD in civilians: 5-10% suicide rate over lifetime
25
Untreated mental illness causes 25% of all suicides in EU countries
26
Schizophrenia patients untreated: 50% higher all-cause mortality
27
Untreated diabetes comorbidity with depression doubles mortality risk
28
In the UK, untreated schizophrenia patients have 3x suicide rate
29
Global youth: 75% suicides from untreated depression/anxiety
30
U.S. LGBTQ+ youth untreated mental health: 4x suicide attempt rate
Interpretation
Suicide and Mortality Interpretation
The stark reality of these numbers screams that the gravest symptom of untreated mental illness is often a silent one: a preventable death, which is a failure of our systems masquerading as a personal tragedy.
Reference
Cite This Report
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APA
Gabrielle Fontaine. (2026, February 13). Untreated Mental Illness Statistics. Gitnux. https://gitnux.org/untreated-mental-illness-statistics
MLA
Gabrielle Fontaine. "Untreated Mental Illness Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/untreated-mental-illness-statistics.
Chicago
Gabrielle Fontaine. 2026. "Untreated Mental Illness Statistics." Gitnux. https://gitnux.org/untreated-mental-illness-statistics.
Sources & references
30 datasets cited across this report · attribution is report-level