90 Mental Illness & Mental Health Statistics Worldwide

1 in 5 Americans will experience a mental illness in a given year. Find more mental illness statistics in this roundup.

steven zauderer
Steven Zauderer
September 19, 2023
8
min read

Key Mental Illness Statistics & Facts

  1. 1 in every 8 people around the world live with a mental disorder.
  2. 1 in 5 Americans experience a mental illness sometime during the year.
  3. 1 in 25 Americans live with a serious mental illness, such as major depression or bipolar disorder.
  4. Approximately 800,000 people die due to suicide every year.
  5. Approximately 75% of mental health disorders start before the age of 24.
mental health illness statistics

How Many People Have Mental Health Issues?

1 in 5 Americans will experience a mental illness in a given year. 1 in 5 children have had a serious mental illness, and 1 in 25 Americans lives with a serious mental illness, such as bipolar disorder, major depression, or schizophrenia.

How Common Is Mental Illness?

Mental illness is one of the most common health conditions in the United States. Approximately 1 in 5 U.S. Adults experience a mental illness in a given year, and 1 in 25 adults experience a serious mental illness in a given year that substantially interferes with or limits one or more major life activities.

Global Mental Health Statistics

DisorderShare of global population with disorder (2017)
Number of people with the disorder (2017)Share of males-females with disorder (2017)
Any mental health disorder10.7%792 million9.3% males
11.9% females
Depression3.4%

[2-6%]

264 million2.7% males

4.1% females

Anxiety disorders3.8%

[2.5-7%]

284 million2.8% males

4.7% females

Bipolar disorder0.6%

[0.3-1.2%]

46 million0.55% males

0.65% females

Eating disorders
(clinical anorexia & bulimia)
0.2%

[0.1-1%]

16 million0.13% males

0.29% females

Schizophrenia0.3%

[0.2-0.4%]

20 million0.26% males

0.25% females

Any mental or substance use disorder13%

[11-18%]

970 million12.6% males

13.3% females

Alcohol use disorder1.4%

[0.5-5%]

107 million2% males

0.8% females

Drug use disorder (excluding alcohol)0.9%

[0.4-3.5%]

71 million1.3% males

0.6% females

1. Approximately 450 million people worldwide are affected by mental disorders.

2. The global cost of mental health disorders is estimated to be $2.5 trillion in 2020.

3. Mental health disorders account for 13% of the global burden of disease and injury.

4. Depression is the leading cause of disability worldwide.

5. Major depressive disorder affects more than 264 million people worldwide.

6. Approximately 20% of adolescents have had a mental health disorder.

share of population with mental health disorders

7. Suicide is the second leading cause of death among 15-29 year olds.

8. Approximately 800,000 people die due to suicide every year.

9. Over 50% of people with mental health disorders do not receive treatment.

10. More than 80% of people with mental illness in low- and middle-income countries do not receive any treatment.

11. Approximately 75% of mental health disorders start before the age of 24.

12. Mental health disorders account for 28% of the global burden of disease among women.

13. Over 50% of women with depression are misdiagnosed or not diagnosed at all.

14. Women are twice as likely as men to experience anxiety disorders.

15. Approximately 1 in 5 people with mental health disorders also have a substance abuse disorder.

16. Approximately 15% of people with substance abuse disorders also have a mental health disorder.

17. The risk of developing a mental health disorder is higher for individuals living in poverty.

18. Mental health disorders are more common among refugees and internally displaced persons.

19. Stigma and discrimination against people with mental health disorders is still a global issue.

20. Mental health issues are the leading cause of workplace absenteeism.

21. Mental health issues can lead to decreased productivity in the workplace.

22. Mental health disorders are the leading cause of disability in high-income countries.

23. Mental health disorders are the leading cause of disability in low- and middle-income countries.

24. The global economic cost of mental health disorders is estimated to be $16 trillion by 2030.

25. Mental health issues are the leading cause of lost years of healthy life worldwide.

26. Mental health disorders are one of the leading causes of death among adolescents.

27. Approximately 75% of mental health disorders can be effectively treated.

28. Mental health disorders are more likely to occur in individuals with chronic physical illnesses.

29. Approximately 50% of people with mental health disorders also have a chronic physical illness.

30. Mental health disorders are more common among people with hiv or aids, cancer, diabetes, cardiovascular conditions, respiratory conditions, neurological conditions, chronic pain conditions, addiction disorders, developmental disorders, and gender identity disorders.

U.S. Mental Health Statistics

1. Approximately 44.7 million adults in the United States have a mental illness.

2. Approximately 11 million adults in the United States have a serious mental illness.

3. Approximately one in five adults in the United States has a mental illness.

4. Approximately one in 25 adults in the United States has a serious mental illness.

5. Approximately 10 million adults in the United Statess have suicidal thoughts in a given year.

6. Approximately 47,000 adults in the United States die by suicide every year.

7. Approximately 41,000 people in the United States die by suicide each year, making it the 10th leading cause of death.

8. Over 50% of adults in the United States with a mental illness do not receive treatment.

9. Approximately 20% of adolescents in the United States have had a mental health disorder.

10. Major depressive disorder affects more than 16 million adults in the United States.

11. Approximately 8 million adults in the United States have a co-occurring mental health and substance abuse disorder.

12. Approximately 40 million adults in the United States have an anxiety disorder.

13. Approximately 6 million adults in the United States have a bipolar disorder.

14. Approximately 2 million adults in the United States have a schizophrenia disorder.

15. Approximately 2 million adults in the United States have a post-traumatic stress disorder.

16. Approximately 10 million adults in the United States have an obsessive-compulsive disorder.

17. Approximately 1 million adults in the United States have a borderline personality disorder.

18. Approximately 1 million adults in the United States have an eating disorder.

19. Approximately 14.8 million adults in the United States have a substance use disorder.

20. Over 34,000 adults in the United States die from a drug overdose every year.

21. Approximately 1 in 5 adults in the United States report experiencing mental distress in the past month.

22. Approximately 1 in 10 adults in the United States report having had suicidal thoughts in the past month.

23. Approximately 1 in 25 adults in the United States report having had suicidal thoughts in the past year.

24. Over 60% of adults in the United States with a mental illness do not receive treatment.

25. Approximately 83% of adults in the United States with a mental illness do not receive treatment.

26. Approximately 75% of mental health disorders in the United States start before the age of 24.

27. Mental health disorders are the leading cause of disability in the United States.

28. Mental health disorders are the leading cause of lost years of healthy life in the United States.

29. Mental health disorders account for 14% of the total health care costs in the United States.

30. Mental health disorders account for 13% of all disability claims in the United States.

31. Mental health disorders are the leading cause of workplace absenteeism in the United States.

32. Mental health disorders can lead to decreased productivity in the workplace in the United States.

33. Approximately 1 in 10 adults in the United States report having had suicidal thoughts in the past year.

34. Approximately 1 in 10 children in the United States report having had suicidal thoughts in the past year.

35. Approximately 4 million children in the United States live with a serious mental health disorder.

36. Approximately 1 in 5 children in the United States has a diagnosable mental health disorder.

37. Mental health disorders are the leading cause of death among adolescents in the United States.

38. Approximately 20% of youth in the United States ages 13-18 have had a severe mental health disorder at some point during their lifetimes.

39. Approximately 1 in 5 youth in the United States ages 13-18 have had a severe mental health disorder at some point during their lifetimes.

40. Approximately 1 in 5 adults in the United States have reported having a mental health disorder during their lifetimes.

Mental Health Treatment Statistics

1. Approximately 75% of mental health disorders can be effectively treated.

2. Over 50% of people with mental health disorders do not receive treatment.

3. More than 80% of people with mental illness in low- and middle-income countries do not receive any treatment.

4. Approximately 60% of adults in the United States with a mental illness do not receive treatment.

5. Approximately 83% of adults in the United States with a mental illness do not receive treatment.

6. Approximately 1 in 5 adults in the United States report having had mental health treatment in the past 12 months.

7. Approximately 1 in 10 adults in the United States report having had mental health treatment in the past 5 years.

8. Approximately 1 in 3 adults in the United States report having had mental health treatment in the past 10 years.

9. Approximately 71% of adults in the United States with a mental illness receive treatment from a mental health professional.

10. Approximately 80% of adults in the United States with a mental illness receive treatment from a primary care provider.

Mental Illness Rates By Country

Country Mental Illness Prevalence
United States 1 in 5
United Kingdom 1 in 4
France 1 in 3
Germany 1 in 7
China 1 in 20
India 1 in 15
Australia 1 in 5
Canada 1 in 4
South Africa 1 in 5

Mental Illness Rates By Age

1. Approximately 20% of adolescents in the United States have had a mental health disorder.

2. Approximately 75% of mental health disorders in the United States start before the age of 24.

3. Approximately 1 in 5 children in the United States has a diagnosable mental health disorder.

4. Approximately 20% of youth in the United States ages 13-18 have had a severe mental health disorder at some point during their lifetimes.

5. Approximately 1 in 5 adults in the United States has reported having a mental health disorder during their lifetimes.

6. Approximately 1 in 4 adults in the United States ages 45-64 have reported having a mental health disorder during their lifetimes.

7. Approximately 1 in 3 adults in the United States ages 65 and older have reported having a mental health disorder during their lifetimes.

Mental Illness Rates By Gender

Mental Illness Rates By Gender

1. Women are 1.5 times more likely than men to experience a mental health disorder.

2. Women are twice as likely as men to experience an anxiety disorder.

3. Women are twice as likely as men to experience depression.

4. Women are 1.5 times more likely than men to experience post-traumatic stress disorder, a substance use disorder, an eating disorder, and to receive treatment for a mental health disorder.

5. Women are 1.7 times more likely than men to experience bipolar disorder.

Mental Illness Rates By Race

1. African americans are 20% more likely than white americans to experience serious mental health disorders.

2. Native americans are twice as likely than white americans to experience serious mental health disorders.

3. Asian americans are half as likely than white americans to experience serious mental health disorders.

4. Hispanic americans are 30% more likely than white americans to experience serious mental health disorders.

5. African americans are 1.5 times more likely than white americans to receive treatment for a mental health disorder.

6. Native americans are 1.7 times more likely than white americans to receive treatment for a mental health disorder.

7. Asian americans are half as likely than white americans to receive treatment for a mental health disorder.

8. Hispanic americans are 1.3 times more likely than white americans to receive treatment for a mental health disorder.

What Is Mental Illness?

Mental illness is a term used to describe a wide range of mental health conditions. These include conditions that affect mood, thinking, and behavior, such as depression, anxiety, bipolar disorder, schizophrenia, and eating disorders. Mental illness can also include substance abuse and addiction, as well as personality disorders.

Types Of Mental Illnesses

prevalence of mental health disorders

1. Anxiety disorders, including panic disorder, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), and phobias

2. Mood disorders, including depression, bipolar disorder, and seasonal affective disorder (sad)

3. Psychotic disorders, including schizophrenia and schizoaffective disorder

4. Eating disorders, including anorexia nervosa, bulimia nervosa, and binge eating disorder

5. Dissociative disorders, including dissociative identity disorder (did) and depersonalization disorder

6. Personality disorders, including borderline personality disorder, narcissistic personality disorder, and antisocial personality disorder

7. Attention-deficit/ hyperactivity disorder (adhd)

8. Substance abuse and addiction

9. Obsessive-compulsive and related disorders, including trichotillomania (hair-pulling disorder) and excoriation (skin-picking) disorder

Conclusion

Mental health is an incredibly important and complex topic, and it is important to understand the statistics related to mental illness.

Mental illness is a global issue, with an estimated 450 million people affected worldwide. Mental health disorders are the leading cause of disability in many countries and can lead to decreased productivity in the workplace.

Treatment is available, but unfortunately, many people with mental illness do not receive treatment. Mental illness can also vary by age, gender, and race, with some groups more likely to experience mental health disorders and to receive treatment.

It is important to understand the statistics related to mental health in order to better understand the prevalence and impact of mental illness.

Sources

  1. http://ourworldindata.org/mental-health
  2. https://www.cdc.gov/mentalhealth/learn/index.htm
  3. https://www.surfpointrecovery.com/blog/mental-health-disorder-statistics
  4. https://www.nimh.nih.gov/health/statistics/mental-illness
  5. https://www.hopkinsmedicine.org/health/wellness-and-prevention/mental-health-disorder-statistics
  6. https://www.nami.org/nami/media/nami-media/infographics/generalmhfacts.pdf
  7. https://www.who.int/news-room/fact-sheets/detail/mental-disorders
  8. https://www.urbanrecovery.com/blog/mental-health-disorder-statistics