Homelessness and mental health

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In a study in Western societies, homeless people have a higher prevalence of mental illness when compared to the general population. They also are more likely to suffer from alcoholism and drug dependency.[1] It is estimated that 20–25% of homeless people, compared with 6% of the non-homeless, have severe mental illness.[2] Others estimate that up to one-third of the homeless have a mental illness.[3] In January 2015, the most extensive survey ever undertaken found 564,708 people were homeless on a given night in the United States. Depending on the age group in question and how homelessness is defined, the consensus estimate as of 2014 was that, at minimum, 25% of the American homeless—140,000 individuals—were seriously mentally ill at any given point in time. 45% percent of the homeless—250,000 individuals—had any mental illness. More would be labeled homeless if these were annual counts rather than point-in-time counts.[4] Being chronically homeless also means that people with mental illnesses are more likely to experience catastrophic health crises requiring medical intervention or resulting in institutionalization within the criminal justice system.[5] Majority of the homeless population do not have a mental illness. Although there is no correlation between homelessness and mental health, those who are dealing with homelessness are struggling with psychological and emotional distress. The Substance Abuse and Mental Health Services Administration conducted a study and found that in 2010, 26.2 percent of sheltered homeless people had a severe mental illness.[6]

Nikes and Homeless

Studies have found that there is a correlation between homelessness and incarceration. Those with mental illness or substance abuse problems were found to be incarcerated at a higher frequency than the general population.[7] Fischer and Breakey have identified the chronically mentally ill as one of the four main subtypes of homeless persons; the others being the street people, chronic alcoholics, and the situationally distressed.[8]

The first documented case of a psychiatrist addressing the issue of homelessness and mental health was in 1906 by Karl Wilmanns.[9]

Historical context[edit]

United States[edit]

In the United States, there are broad patterns of reform within the history of psychiatric care for persons with mental illness.[10]: 11  These patterns are currently categorized into three major cycles of reform. The first recognized cycle was the emergence of moral treatment and asylums, the second consists of the mental hygiene movement and the psychopathic (state) hospital, and most recent cycle includes deinstitutionalization and community mental health.[11]: 727  In an article addressing the historical developments and reforms of treatment for the mentally ill, Joseph Morrissey and Howard Goldman acknowledge the current regression of public social welfare for mentally ill populations. They specifically state that the "historical forces that led to the transinstitutionalization of the mentally ill from almshouses to the state mental hospitals in the nineteenth and twentieth centuries have now been reversed in the aftermath of recent deinstitutionalization policies".[12]: 12 


Within the context of transforming schemas of moral treatment during the early nineteenth century, the humanitarian focus of public intervention was linked with the establishment of asylums or snake pits[13] for treatment of the mentally ill.[11]: 727  The ideology that emerged in Europe disseminated to America, in the form of a social reformation based on the belief that new cases of insanity could be treated by isolating the ill into "small, pastoral asylums" for humane treatment. These asylums were meant to combine medical attention, occupational therapy, socialization activities and religious support, all in a warm environment.

In America, Friends Asylum (1817) and the Hartford Retreat (1824) were among the first asylums within the private sector, yet public asylums were soon encouraged, with Dorothea Dix as one of its key lobbyists. The effectiveness of asylums was dependent on a collection of structural and external conditions, conditions that proponents began to recognize were unfeasible to maintain around the mid-nineteenth century. For example, with the proliferation of immigrants throughout industrialization, the original purpose of asylums as small facilities transformed into their actualized use as "large, custodial institutions" throughout the late 1840s.[12]: 15  Overcrowding severely inhibited the therapeutic capacity, inciting a political reassessment period about alternatives to asylums around the 1870s. The legislative purpose of state asylums soon met the role society had funneled them toward; they primarily became institutions for community protection, with treatment secondary.


Toward the end of World War II, the influx of soldiers diagnosed with "war neurosis" incited a new public interest in community care. In addition to this, the view that asylums and state hospitals exacerbated symptoms of mental illness by being "inherently dehumanizing and antitherapeutic" spread through the public consciousness. When psychiatric drugs like neuroleptics stabilized behavior and milieu therapy proved effective, state hospitals began discharging patients, with hope that federal programs and community support would counterbalance the effects of institutionalization. Furthermore, economic responsibility for disabled people began to shift, as religious and non-profit organization assumed the role of supplying basic needs.[10]: 10  The modern results of deinstitutionalization show the dissonance between policy expectations and the actualized reality.[14]: 60–61 

Community mental health centers[edit]

In response to the flaws of deinstitutionalization, a reform movement reframed the context of the chronically mentally ill within the lens of public health and social welfare problems. Policy makers intentionally circumvented state mental hospitals by allocating federal funds directly to local agencies. For example, the Community Mental Health Centers (CMHC) Act of 1963 became law, "which funded the construction and staffing of hundreds of federal centers to provide a range of services including partial hospitalization, emergency care, consultation, and treatment." Despite efforts, newly founded community centers "failed to meet the needs of acute and chronic patients discharged in increasing numbers from public hospitals". With decreased state collaboration and federal funding for social welfare, community centers essentially proved unable "to provide many essential programs and benefits", resulting in a growth of homelessness and indigency, or lack of access to basic necessities. It is argued that an over reliance on community health has "left thousands of former patients homeless or living in substandard housing, often without treatment, supervision or social support."[11]: 727–728 

State mental hospitals[edit]

As debates regarding the deteriorating role of American asylums and psychiatry amplified around the turn of the century, new reformation arose. With the founding of the National Committee for Mental Hygiene, acute treatment centers like psychopathic hospitals, psychiatric dispensaries and child guidance clinics were created. Beginning with the State Care Act in New York, states began assuming full financial control for the mentally ill, in an effort to compensate for the deprivations of asylums. Between 1903 and 1950, the number of patients in state mental hospitals went from 150,000 to 512,000. Morrissey recognizes that despite persistent problem of chronic mental illness, these state mental hospitals were able to provide a minimal level of care.[12]: 20  United States president John F. Kennedy signed the Community Mental Health Act that was put in place to give funding for community-based facilities rather than having patients going to state hospitals.[15] Decades later, once the Community Mental Health Act was implemented a lot of state hospitals suffered and were on the verge of forced to close which pushed patients to the community-based facilities. The closures of the state hospitals lead to an overcrowding in the community facilities and there was a lack of support, which lead to patients not having access to the medical help they needed.[15]

Personal factors[edit]

Neurobiological determinants[edit]

The mental health of homeless populations is significantly worse than the general population, with the prevalence of mental disorders up to four times higher in the former.[16]: 465  It is also found that psychopathology and substance abuse often exist before the onset of homelessness, supporting the finding that mental disorders are a strong risk factor for homelessness.[16]: 470  Ongoing issues with mental disorders such as affective and anxiety disorders, substance abuse and schizophrenia are elevated for the homeless.[16]: 465 [17]: 82  One explanation for homelessness states that "mental illness or alcohol and drug abuse render individuals unable to maintain permanent housing."[18]: 114  One study further states that 10–20 percent of homeless populations have a dual diagnoses, or the co-existence of substance abuse and of another severe mental disorder. For example, in Germany there is a link between alcohol dependence and schizophrenia with homeless populations.[17]: 85 


There are patterns of biographical experience that are linked with subsequent mental health problems and pathways into homelessness.[16]: 465  Martens states that reported childhood experiences, described as "feeling unloved in childhood, adverse childhood experiences, and general unhappiness in childhood" seem to become "powerful risk factors" for adult homelessness. For example, Martens emphasizes the salient dimension of familial and residential instability, as he describes the prevalence of foster-care or group home placement for homeless adolescents. He notes that "58 percent of homeless adolescents had experienced some kind of out-of-home placement, running away, or early departure from home."[17]: 82  Moreover, up to 50 percent of homeless adolescents report experience with physical abuse, and almost one-third report sexual abuse.[16]: 465  In addition to family conflict and abuse, early exposure to factors like poverty, housing instability, and alcohol and drug use all increase one's vulnerability to homelessness.[19] Once impoverished, the social dimension of homelessness manifests from "long exposure to demoralizing relationships and unequal opportunities."[17]: 81 

Trauma and homeless youth[edit]

Youth experiencing homelessness are more susceptible to developing post-traumatic stress disorder (PTSD). Common psychological traumas experienced by homeless youth include, sexual victimization, neglect, experiences of violence, and abuse.[20] In an article published by Homeless Policy Research Institute it notes that homeless youth are subjected to many different forms of trauma. A study was done and found that 80% of youth that experienced homelessness in Los Angeles suffered at least one traumatic experience. Another study was conducted in Canada that showed a more severe statistic that Canadian homeless youth have been through 11 to 12 traumatic experiences.[21] While trauma is prevalent in homeless youth, it is not uncommon for an adolescent to experience an increase of trauma after they experience homelessness. The LGBTQ community represents 20% of the homeless youth population. The reason for this high percentage is due to the issues and/or rejection from their family due to the sexual orientation.[22]

Societal factors[edit]

Draine et al. emphasize the role of social disadvantage with manifestations of mental illness. He states that "research on mental illness in relation to social problems such as crime, unemployment, and homelessness often ignores the broader social context in which mental illness is embedded."[23]: 566 

Social barriers[edit]


Lee argues that societal conceptualizations of homelessness and poverty can be juxtaposed, leading to different manifestations of public stigma. In his work through national and local surveys, respondents tended to deemphasize individual deficits over "structural forces and bad luck" for homeless individuals. In contrast, the respondents tended to associate personal failures more to the impoverished than homeless individuals.[19]: 511 

Nonetheless, homeless individuals are "well aware of the negative traits imputed to them – lazy, filthy, irresponsible dangerous – based on the homeless label." In an effort to cope with the emotional threat of stigma, homeless individuals may rely on one another for "non-judgmental socializing". However, his work continues to emphasize that the mentally ill homeless are often deprived of social networks like this.[19]: 508 

Social isolation[edit]

People who are homeless tend to be socially isolated, which contributes negatively to their mental health.[24] Studies have correlated that those who are homeless and have a strong support group tend to be more physically and mentally healthy.[25] Aside from the stigma received by the homeless population, another aspect that contributes to social isolation is the purposeful avoidance of social opportunity practiced by the homeless community out of shame of revealing their current homeless state.[26] Social isolation ties directly to social stigma in that homeless socialization outside of the homeless community will affect how the homeless are perceived. This is why homeless individuals talking with those who are not homeless is encouraged since it can combat the stigma that is often associated with homelessness.[26]

Racial inequality[edit]

One dimension of the American homeless is the skewed proportion of minorities. In a sample taken from Los Angeles, 68 percent of the homeless men were African American. In contrast, the Netherlands sample had 42 percent Dutch, with 58 percent of the homeless population from other nationalities.[17]: 89  Furthermore, Lee notes that minorities have a heightened risk of the "repeated exit-and-entry pattern"[19]: 511 

Institutional barriers[edit]

Shinn and Gillespie (1994) argued that although substance abuse and mental illness is a contributing factor to homelessness, the primary cause is the lack of low-income housing.[27] Elliot and Krivo emphasize the structural conditions that increase vulnerability to homelessness. Within their study, these factors are specifically categorized into "unavailable low-cost housing, high poverty, poor economic conditions, and insufficient community and institutional support for the mentally ill."[18]: 116  Through their correlational analysis, they reinforce the finding that areas with more spending on mental health care have "notably lower levels of homelessness."[18]: 122  Furthermore, their findings emphasize that among the analyzed correlates, "per capita expenditures on mental health care, and the supply of low-rent housing are by far the strongest predictors of homelessness rates."[18]: 127  Along with economic hardship, patterns of academic underachievement also undermine an individual's opportunity for reintegration into general society, which heightens their risk for homelessness.[17]: 470 

On a psychological level, Lee notes that the "stressful nature of hard times (high unemployment, a tight housing market, etc.) helps generate personal vulnerabilities and magnifies their consequences."[19] For example, poverty is a key determinant of the relationship between debilitating mental illness and social maladjustment; it is associated with decreased self-efficacy and coping. Moreover, poverty is an important predictor of life outcomes, such as "quality of life, social and occupational functioning, general health and psychiatric symptoms", all relevant aspects of societal stability.[23]: 566  Thus, systemic factors tend to compound mental instability for the homeless. Tackling homelessness involves focusing on the risk factors that contribute to homelessness as well as advocating for structural change.



It is argued that persons with mental illness are more likely to be arrested, simply from a higher risk of other associated factors with incarceration, such as substance abuse, unemployment, and lack of formal education. Furthermore, when correctional facilities lack adequate coordination with community resources upon release, the chances of recidivism increase for persons who are both homeless and have a mental illness. Every state in the United States incarcerates more individuals with severe mental illness than it hospitalizes. Incarcerations are due to lack of treatments such as psychiatric hospital beds.[23]: 566  Overall, according to Raphael and Stoll, over 60 percent of United States jail inmates report mental health problems.[28]: 189  Estimates from the Survey of Inmates in State and Federal Correctional Facilities (2004) and the Survey of Inmates in Local Jails (2002) report that the prevalence for severe mental illness (the psychoses and bipolar/manic-depressive disorders) is 3.1–6.5 times the rate observed for the general population.[28]: 192  In relation to homelessness, it is found that 17.3 percent of inmates with severe mental illness experienced a homeless state before their incarceration, compared to 6.5 percent of undiagnosed inmates.[28]: 197  The authors argue that a significant portion of deinstitutionalized mentally ill were transitioned into correctional facilities, by specifically stating that "transinstitutional effect estimates suggest that deinstitutionalization has played a relatively minor role in explaining the phenomenal growth in U.S. incarceration levels."[28]: 190 


Responses to mental health and homelessness include measures focused on housing and mental health services. Providers face challenges in the form of community adversity.


Modern efforts to reduce homelessness include "housing-first models", where individuals and families are placed in permanent homes with optional wrap-around services.[19] This effort is less expensive than the cost of institutions that serve the complex needs of people experiencing homeless, such as emergency shelters, mental hospitals and jails. The alternative approach of housing first has shown positive outcomes. One study reports an 88 percent housing retention rate for those in Housing First, compared to 47 percent using traditional programs.[28] Additionally, a review of permanent supportive housing and case management on health found that interventions using “housing-first models” can improve health outcomes among chronically homeless individuals, many of whom have substance use disorders and severe mental illness. Improvements include positive changes in self-reported mental health status, substance use, and overall well-being. These models can also help reduce hospital admissions, length of stay in inpatient psychiatric units, and emergency room visits.[29] There is a new intervention called "Permanent Supportive Housing" that was designed help independent living and help with employment and health care. 407,966 individuals were homeless in shelters, transitional housing programs, or on the streets.[22] Those with mental illnesses have difficulty not only with their current housing issues, but have issues with housing if they get evicted. Youth can benefit from permanent housing, increases social activity, and improve mental health.[21] Federally funded rental assistance are in place, but due to the high demand of the funds, the government is unable to keep up.[15]

One study evaluating the efficacy of the Housing First model followed mentally ill homeless individuals with criminal records over a two-year period, and after being placed in the Housing First program only 30% re-offended. Overall results of the study showed a large reduction in re-conviction, increased public safety, and a reduction in crime rates.[30] A significant decline in drug use was also seen with the implementation of the Housing First model. The study showed a 50% increase in housing retention and a 30% increase in methadone treatment retention in program participants.

Mental health services[edit]

Uninterrupted assistance greatly increases the chances of living independently and greatly reduces the chances of homelessness and incarceration.[31] Through longitudinal comparisons of sheltered homeless families and impoverished domiciled families, there are a collection of social buffers that slow one's trajectory toward homelessness. A number of these factors include "entitlement income, a housing subsidy, and contact with a social worker."[19] These social buffers can also be effective in supporting individuals exiting homelessness. One study utilizing Maslow's hierarchy of needs in assessing housing experiences of adults with mental illnesses found a complex relationship between basic needs, self-actualization, goal setting, and mental health.[32] Meeting self-actualization needs are vital to mental health and treatment of mental illness. Housing, stable income, and social connectedness are basic needs, and when met can lead to fulfillment of higher needs and improved mental health. Those with a brief history of homelessness and managed disabilities may have better access to housing.[15]

Research calls for evidence based remediation practices that transform mental health care into a recovery oriented system.[33][32] The following list includes practices currently being utilized to address the mental health needs of homeless individuals:[33]

  • Integrated service system, between and within agencies in policy making, funding, governance and service delivery.
  • Low barrier housing with support services.
  • Building Assertive Community Teams (ACT) and Forensic Assertive Community Teams (FACT).
  • Assisted Community Treatment (ACT).
  • Outreach services that identify and connect homeless to the social service system and help navigate the complex, fragmented web of services.


Fear surrounds the introduction of mentally ill homeless housing and treatment centers into neighborhoods, due to existing stereotypes that homeless individuals are often associated with increased drug use and criminal activity. The Housing First Model study, along with other studies, show that this is not necessarily the case. Proponents of the NIMBY (not-in-my-backyard) movement have played an active role in the challenges faced by housing and mental health service interventions for the homeless.


For some individuals, the pathways into homelessness may be upstream. E.g. issues such as housing, income level, or employment status. For others, the pathways may be more personal or individual. E.g. issues such as compromised mental health and well ‐ being, mental illness, and substance abuse. Many of these personal and upstream issues are interconnected.

See also[edit]


  1. ^ Fazel, S; Khosla, V; Doll, H; Geddes, J (2008). "The Prevalence of Mental Disorders among the Homeless in Western Countries: Systematic Review and Meta-Regression Analysis". PLOS Med. 5 (12 b): e225. doi:10.1371/journal.pmed.0050225. PMC 2592351. PMID 19053169.
  2. ^ "Mental Illness and Homelessness" (PDF). National Coalition for the Homeless. July 2009. Retrieved 12 June 2013.
  3. ^ Kami Lloyd. "Homelessness and Mental Health". A Campaign for Mental Healthcare. Archived from the original on 2012-12-31. Retrieved 13 June 2013.
  4. ^ Org, M. I. P. "Homeless Mentally Ill Facts and Figures". Mental Illness Policy Org. Retrieved 2020-01-19.
  5. ^ "Mental Health And Homelessness In The Wake Of Covid-19: The Path To Supportive And Affordable Housing". UCLA Law Review. 2020-09-01. Retrieved 2021-11-27.
  6. ^ "The Complex Link Between Homelessness and Mental Health | Psychology Today". www.psychologytoday.com. Retrieved 2021-11-27.
  7. ^ Greenberg, GA; Rosenheck, RA (2008). "Jail incarceration, homelessness, and mental health: a national study". Psychiatr Serv. 59 (2): 170–177. doi:10.1176/appi.ps.59.2.170. PMID 18245159.
  8. ^ Fischer, Pamela J.; Breakey, William R. (Winter 1985–1986). "Homelessness and Mental Health: An Overview". International Journal of Mental Health. 14 (4): 10.
  9. ^ Bhugra (2007), p. 19.
  10. ^ a b Gittelman, Martin (2005). "The Neglected Disaster". International Journal of Mental Health. 34 (2): 9–21. doi:10.1080/00207411.2005.11043402. JSTOR 41345126. S2CID 75338395.
  11. ^ a b c Goldman, Howard; Joseph Morrissey (1985). "The Alchemy of Mental Health Policy: Homelessness and the Fourth Cycle of Reform". American Journal of Public Health. 75 (7): 727–731. doi:10.2105/AJPH.75.7.727. PMC 1646312. PMID 4003648.
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  13. ^ Archived at Ghostarchive and the Wayback Machine: "Mental Health: Last Week Tonight with John Oliver (HBO)". YouTube.
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  17. ^ a b c d e f Martens, Willem (2002). "Homelessness and Mental Disorders: A Comparative Review of Populations in Various Countries". International Journal of Mental Health. 30 (4): 79–96. doi:10.1080/00207411.2001.11449534. JSTOR 41344992. S2CID 74390206.
  18. ^ a b c d Elliott, Marta; Lauren J. Krivo (1991). "Structural Determinants of Homelessness in the United States". Social Problems. 38 (1): 113–131. doi:10.2307/800641. JSTOR 800641.
  19. ^ a b c d e f g Lee, Barrett; Kimberly Tyler (2010). "The New Homelessness Revisited". Annual Review of Sociology. 36: 501–521. doi:10.1146/annurev-soc-070308-115940. JSTOR 25735089. PMC 4045444. PMID 24910495.
  20. ^ Crosby, Shantel; Hsun-Ta Hsu (2018). "Factors that contribute to help-seeking among homeless, trauma-exposed youth: A social-ecological perspective". Children and Youth Services Review. 93: 126–134. doi:10.1016/j.childyouth.2018.07.015. S2CID 150194237.
  21. ^ a b "Mental Health Among Youth Experiencing Homelessness" (PDF). Homelessness Policy Research Institute. August 19, 2019.{{cite web}}: CS1 maint: url-status (link)
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  23. ^ a b c Draine, Jeffrey (2002). "Role of Social Disadvantage in Crime, Joblessness, and Homelessness Among Persons With Serious Mental Illness" (PDF). Psychiatric Services. 53 (5): 565–573. doi:10.1176/appi.ps.53.5.565. PMID 11986504.
  24. ^ Polgar, Michael; Watson, Stephanie (2012). "Homelessness". The Gale Encyclopedia of Mental Health (3rd. ed.). 1: 766–770 – via Gale.
  25. ^ Hwang, Stephen W.; Kirst, Maritt J.; Chiu, Shirley; Tolomiczenko, George; Kiss, Alex; Cowan, Laura; Levinson, Wendy (2017-01-26). "Multidimensional Social Support and the Health of Homeless Individuals". Journal of Urban Health. 86 (5): 791–803. doi:10.1007/s11524-009-9388-x. ISSN 1099-3460. PMC 2729873. PMID 19629703.
  26. ^ a b Sanders, Ben (December 2015). "Loneliness and isolation" (PDF). Crisis. Crisis. Retrieved 25 January 2017.
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  29. ^ "Rapid Evidence Review: What Housing-related Services and Supports Improve Health Outcomes among Chronically Homeless Individuals?". AcademyHealth: Advancing Research, Policy and Practice. AcademyHealth. Archived from the original on 2016-09-19.
  30. ^ Somers, Rezansoff, Moniruzzaman, Palepu, & Patterson, 2013
  31. ^ Yoon, Bruckner, & Brown, 2013
  32. ^ a b Henwood, Benjamin F.; Derejko, Katie-Sue; Couture, Julie; Padgett, Deborah K. (March 2015). "Maslow and Mental Health Recovery: A Comparative Study of Homeless Programs for Adults with Serious Mental Illness". Administration and Policy in Mental Health and Mental Health Services Research. 42 (2): 220–228. doi:10.1007/s10488-014-0542-8. ISSN 0894-587X. PMC 4130906. PMID 24518968.
  33. ^ a b "Mayor's Task Force on Breaking the Cycle of Mental Illness, Addictions and Homelessness: Executive Summary" (PDF). October 19, 2007.{{cite web}}: CS1 maint: url-status (link)


  • American Psychiatric Association. Task Force on the Homeless Mentally Ill (1992), Lamb, H. Richard; Bachrach, Leona L.; Kass, Frederic I. (eds.), Treating the Homeless Mentally Ill: A Report of the Task Force on the Homeless Mentally Ill, American Psychiatric Pub, ISBN 9780890422366
  • Bhugra, Dinesh (2007), Homelessness and Mental Health: Studies in Social and Community Psychiatry, Cambridge University Press, ISBN 9780521037730
  • Conrad, Kendon J.; Matters, Michael D.; Hanrahan, Patricia, eds. (1999), "Homelessness Prevention in Treatment of Substance Abuse and Mental Illness: Logic Models and Implementation of Eight American Projects", Alcoholism Treatment Quarterly, Psychology Press, ISBN 9780789007506
  • Kuhlman, Thomas L. (1994), Psychology on the streets: mental health practice with homeless persons, Personality Processes Series, vol. 178, J. Wiley & Sons, ISBN 9780471552437
  • Seager, Stephen B. (1998), Street Crazy: America's Mental Health Tragedy, Westcom Press, ISBN 9780966582772
  • Whitbeck, Les B. (2012), Mental Health and Emerging Adulthood Among Homeless Young People, Psychology Press, ISBN 9781136910845

External links[edit]