Nearly one billion people globally live with a mental disorder. These conditions account for a significant portion of the world's disability burden and cost economies hundreds of billions annually.
Key Takeaways
- 1 in 8 people (about 970 million) worldwide live with a mental disorder (2019 estimate)
- 13.0% of the global burden of disease and injury (DALYs) is attributable to mental disorders (2019)
- Globally, 1 in 6 people (about 16.5%) experience a mental health disorder each year
- 2019: Mental disorders accounted for 16.8% of all years lived with disability (YLDs) worldwide (IHME/GBD)
- 2018: Estimated annual economic cost of anxiety disorders in the US was $466.1 billion (JAMA Psychiatry)
- 2020: Global economic cost of anxiety disorders was estimated at US$0.60 trillion (peer-reviewed, disability and economic burden)
- 2023: 40.1% of US youth (age 12–17) with major depressive episode did NOT receive treatment
- In Australia, 1 in 5 people experience mental illness each year (AIHW)
- 2021: In England, 75.8% of referrals to Improving Access to Psychological Therapies (IAPT) entered treatment within 18 weeks
- 2022: Firearms accounted for 55.7% of suicide deaths in the United States (CDC)
- 2022: In the United States, 48,183 people died by suicide (CDC WONDER)
- 2019: 703,000 people died by suicide worldwide (WHO)
- 2021: 39% of US adults reported using digital mental health tools at least once (peer-reviewed survey; PubMed)
- 2023: In the UK, NHS Talking Therapies data shows 1.0 million people started treatment (IAPT/ NHS England)
- 2024: The number of mental health applications available in major app stores exceeded 20,000 (data report; App store analytics)
About one in eight people worldwide lives with a mental disorder, with massive ongoing impact on health and costs.
Related reading
01 · Category
Prevalence & Burden4 stats
01
1 in 8 people (about 970 million) worldwide live with a mental disorder (2019 estimate)
02
13.0% of the global burden of disease and injury (DALYs) is attributable to mental disorders (2019)
03
Globally, 1 in 6 people (about 16.5%) experience a mental health disorder each year
04
2023: 21.3% of US adults reported experiencing at least one major depressive episode in their lifetime (NSDUH)
Interpretation
Prevalence & Burden Interpretation
Mental disorders are both widespread and costly globally with 1 in 8 people, about 970 million, living with one and accounting for 13.0% of the global burden of disease in 2019, underscoring their major prevalence and burden impact.
02 · Category
Economic Impact4 stats
01
2019: Mental disorders accounted for 16.8% of all years lived with disability (YLDs) worldwide (IHME/GBD)
02
2018: Estimated annual economic cost of anxiety disorders in the US was $466.1 billion (JAMA Psychiatry)
03
2020: Global economic cost of anxiety disorders was estimated at US$0.60 trillion (peer-reviewed, disability and economic burden)
04
2021: Lost labor force participation due to mental health conditions contributed billions in annual productivity loss in the US (OECD/WHO synthesis)
Interpretation
Economic Impact Interpretation
Across recent years, the economic impact of mental health is consistently enormous, with anxiety disorders alone costing the US about $466.1 billion in 2018 and the global figure rising to about US$0.60 trillion in 2020, showing that mental health burdens translate into major productivity and spending losses rather than staying confined to health outcomes.
03 · Category
Access & Treatment3 stats
01
2023: 40.1% of US youth (age 12–17) with major depressive episode did NOT receive treatment
02
In Australia, 1 in 5 people experience mental illness each year (AIHW)
03
2021: In England, 75.8% of referrals to Improving Access to Psychological Therapies (IAPT) entered treatment within 18 weeks
Interpretation
Access & Treatment Interpretation
In 2023, 40.1% of US youth with a major depressive episode did not receive treatment, and while England’s IAPT improved turnaround with 75.8% of referrals starting within 18 weeks, the overall picture for Access and Treatment still shows substantial gaps and uneven access across countries.
04 · Category
Mortality & Suicide6 stats
01
2022: Firearms accounted for 55.7% of suicide deaths in the United States (CDC)
02
2022: In the United States, 48,183 people died by suicide (CDC WONDER)
03
2019: 703,000 people died by suicide worldwide (WHO)
04
2022: Drug overdose deaths with mental and behavioral disorders accounted for a significant share of overdose-related mortality in the US (CDC, mental health and suicide data context)
05
2021: 0.5% of adults in the United States reported a suicide attempt in the past year (NHIS)
06
2018–2019: The global prevalence of self-reported suicidal ideation was 6.4% (systematic review; WHO MH-GAP context)
Interpretation
Mortality & Suicide Interpretation
In the United States, 48,183 people died by suicide in 2022, and firearms were involved in 55.7% of those deaths, underscoring how mortality in the “Mortality & Suicide” category is strongly shaped by the leading method.
05 · Category
Industry Trends5 stats
01
2021: 39% of US adults reported using digital mental health tools at least once (peer-reviewed survey; PubMed)
02
2023: In the UK, NHS Talking Therapies data shows 1.0 million people started treatment (IAPT/ NHS England)
03
2024: The number of mental health applications available in major app stores exceeded 20,000 (data report; App store analytics)
04
2021: 33% of US adults who had used mental health apps said they used them to track symptoms (survey)
05
2022: 61% of US behavioral health organizations increased staffing or capacity due to telehealth expansion (survey)
Interpretation
Industry Trends Interpretation
The industry trend is clear as digital mental health adoption and scale surged, with 39% of US adults using digital tools in 2021 alongside the UK reaching 1.0 million IAPT treatment starts in 2023 and major app stores topping 20,000 mental health apps in 2024.
More related reading
06 · Category
Prevalence4 stats
01
19% of US adults aged 18+ reported having any mental illness in 2021, including 6.2% with serious mental illness, based on SAMHSA’s National Survey on Drug Use and Health (NSDUH) methodology.
02
45.6% of adults in the United States reported symptoms of anxiety and/or depressive disorder during 2020–2022, based on pooled estimates reported by the US CDC/NCHS analysis of the National Health Interview Survey (NHIS) “Any Mental Illness” subset.
03
7.8% of adults in England reported experiencing probable common mental disorder (CMD) in 2021, based on NHS Digital / Health Survey for England estimates (HSE/ONS).
04
5.2% of the global population had anxiety disorders in 2019 (age-standardized), as estimated by the Global Burden of Disease (GBD) 2019 study.
Interpretation
Prevalence Interpretation
Prevalence levels are widespread, with 19% of US adults reporting any mental illness in 2021 and 45.6% showing anxiety and/or depressive symptoms in 2020–2022, while similar burdens appear globally with 5.2% experiencing anxiety disorders in 2019 and 7.8% facing common mental disorders in England in 2021.
07 · Category
Suicide & Crisis2 stats
01
In the United States, 9.8% of adults aged 18+ reported serious thoughts of suicide in the past year in 2022 (NSDUH).
02
In the United States, 27.0% of high school students reported persistent feelings of sadness or hopelessness in 2023 (Youth Risk Behavior Survey, CDC—adolescent mental health indicator).
Interpretation
Suicide & Crisis Interpretation
In the Suicide and Crisis category, the data shows that 9.8% of US adults reported serious suicidal thoughts in 2022 while 27.0% of high school students felt persistent sadness or hopelessness in 2023, signaling that risk signals are substantial across both adults and youth.
08 · Category
Economic Burden2 stats
01
Global economic burden from mental disorders (including productivity losses) was estimated at US$2.5 trillion in 2010 by a WHO-commissioned analysis (subsequently summarized in The Lancet psychiatry/health economics literature).
02
Anxiety disorders alone cost the United States US$466.1 billion in 2018 (direct medical costs and workplace productivity loss combined), as reported by a JAMA Psychiatry analysis.
Interpretation
Economic Burden Interpretation
These figures show that the economic burden of mental health is enormous and persistent, with mental disorders costing about US$2.5 trillion globally in 2010 and anxiety alone reaching US$466.1 billion in the US in 2018 through direct care and lost workplace productivity.
09 · Category
Digital & Technology3 stats
01
The global mental health apps market was valued at US$1.9 billion in 2023 and projected to reach US$9.0 billion by 2030 (market research estimate).
02
In the United Kingdom, 1.7 million people used digital mental health services via the NHS App/online routes in 2022 (NHS Digital / NHS England reported usage of mental health online offerings).
03
In 2023, the number of users of mental health and wellness apps worldwide surpassed 450 million (consumer analytics estimate).
Interpretation
Digital & Technology Interpretation
For the Digital and Technology category, rapid adoption is clear as the global mental health apps market is projected to grow from US$1.9 billion in 2023 to US$9.0 billion by 2030 while users worldwide already surpassed 450 million in 2023.
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Ryan Townsend. (2026, February 13). Mental Health Disorders Statistics. Gitnux. https://gitnux.org/mental-health-disorders-statistics
MLA
Ryan Townsend. "Mental Health Disorders Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/mental-health-disorders-statistics.
Chicago
Ryan Townsend. 2026. "Mental Health Disorders Statistics." Gitnux. https://gitnux.org/mental-health-disorders-statistics.
Sources & references
33 datasets cited across this report · attribution is report-level
+15 additional datasets cited (not shown individually)