本ページの概要

本ページは「不安症・PTSD」について、患者調査・制度・文献・可視化リソースを統合してご紹介します。 内容は月次の自動更新で随時追記されます。

患者調査(時系列)

出典: 厚生労働省 患者調査

不安症総患者数_千人 パニック症_千人 社交不安症_千人 PTSD_千人 強迫症_千人 出典
1999 285.0 47.0 47.0 患者調査
2002 334.0 61.0 55.0 患者調査
2005 432.0 88.0 68.0 患者調査
2008 530.0 110.0 79.0 患者調査
2011 568.0 119.0 25.0 84.0 患者調査
2014 748.0 135.0 33.0 99.0 患者調査
2017 832.0 152.0 41.0 112.0 患者調査
2020 956.0 168.0 58.0 131.0 患者調査
2023 1050.0 175.0 72.0 145.0 患者調査(推計)

国際比較

出典: OECD Health Statistics ほか

不安症12ヶ月有病率(%) PTSD生涯有病率(%) 治療ギャップ(%) CBT提供体制 出典
日本 4.9 1.3 78 限定的 川上ら2006・WHO WMH
アメリカ 18.2 6.8 40 充実 NSDUH2021
ドイツ 8.3 2.2 充実 ESEMeD
フランス 7.6 2.2 ESEMeD
イギリス 7.2 3.7 40 NHS IAPT充実 NHS2021
韓国 5.9 1.6 73 KNHANES
オーストラリア 13.5 4.4 充実 AIHW2022
世界平均 7.3 3.9 WHO GBD2019

制度変遷メモ

不安症・PTSD 診療体制・政策変遷メモ

主要制度転換点

1995年 — 阪神・淡路大震災とPTSD概念の普及

  • 日本でのPTSDへの社会的関心が急激に高まる
  • EMDR・CBT等のPTSD治療法の導入が始まる
  • 「心のケア」が災害支援の重要要素として認識

1999年前後 — パニック症・社交不安症の認知向上

  • メディアでの啓発・著名人の公表が受診を促進
  • SSRIがパニック症・社交不安症(SAD)の第一選択薬として承認(パキシル2000年)

2000年代 — 認知行動療法(CBT)の導入

  • CBTが不安症の標準的治療として確立
  • 日本では実施できる専門家が限られる状況が続く

2004年 — PTSDが診断基準として確立(DSM-IV-TR適用期)

  • 医療機関でのPTSD診断が一般化
  • 犯罪被害者支援法(2001年)→精神科支援の組み込み

2011年 — 東日本大震災・福島原発事故

  • 大規模PTSD発生(沿岸3県住民の42%がPTSD陽性:震災直後)
  • DPAT(災害派遣精神医療チーム)の前身となる対応
  • 「心のケアセンター」の設置

2013年 — 認知行動療法の診療報酬加算

  • うつ病等への認知行動療法が診療報酬の対象に
  • ただし施設基準が厳しく、普及が限定的

2013年 — DSM-5改訂

  • PTSDがトラウマ・ストレス関連障害として独立カテゴリに
  • 複雑性PTSD概念の議論が高まる(ICD-11で正式採用)

2016年 — DPAT(災害派遣精神医療チーム)制度の確立

  • 熊本地震での本格展開
  • 全都道府県でのDPAT整備推進

2020〜 — COVID-19とPTSD・不安症

  • 医療従事者・被災者でのPTSD増加
  • 社会的孤立・感染恐怖による不安症急増
  • PTSD患者数が2020年に前回比40%増(58,000人)

2022年 — ICD-11の国内導入準備

  • 複雑性PTSD(CPTSD)の診断概念の普及
  • 解離症状・感情調節障害を包含する広概念

診療体制上の課題

課題 状況
治療ギャップ 推定患者の78%が未治療(川上ら推計)
CBT提供体制 CBT実施施設が限られ、地方では特にアクセス困難
PTSD専門治療 EMDR・PE療法(持続エクスポージャー)の普及が不十分
災害後対応 DPATの対応能力・継続支援に課題
保険適用 心理療法の保険適用範囲が限定的

関連文献

出典: PubMed 等。最新登録順。 全 55 件中、最新 15 件を表示しています。

  1. Song J, Hou X, Zhang T, Huang Y, Wang X, et al. Prevalence, correlates, functional impairment and mental health service gap of anxiety disorders among elderly population in China. Journal of affective disorders (2025). PMID: 40774513 DOI
  2. Mohamed NF, Jiun Ting T, Ab Manan N, Mohd Senari IF, Muhammad Firdaus Chan MF, et al. Prevalence and predictors of social anxiety disorders among Malaysian secondary school students during the COVID-19 pandemic: Exploring the influence of internet gaming disorder and impulsivity. Clinical child psychology and psychiatry (2026). PMID: 38163335 DOI
  3. Lam MI, Tong LK, Xu Q, Cheong PL. Prevalence and comparing network structure of depressive and anxiety symptoms among different chronotypes of the general adult population: A national survey in China. Journal of affective disorders (2026). PMID: 40850557 DOI
  4. Murawska N, Jarašiūnaitė-Fedosejeva G, Pawlicka P, Riklikienė O, Škodová Z, et al. Prevalence and risk factors of childbirth-related post-traumatic stress disorder symptoms - comparison study of Central-Eastern European countries: Poland, Slovakia, and Lithuania. Journal of affective disorders (2026). PMID: 40886898 DOI
  5. Kumar D, Kumar D, Sharma N, Kumar R, Rastogi D, Alim M. Prevalence and associated risk factors of generalised anxiety disorders in children with seizure disorders in the rural population of northern India - an observational study. Tropical doctor (2026). PMID: 40938917 DOI
  6. Lasowski P, Tollefson D, Menacho L, DePierro J, Duerr A. High prevalence of pain and mental health conditions amongst people well-established in HIV care: results of a cross-sectional survey in Lima, Peru. AIDS care (2026). PMID: 41017661 DOI
  7. Macauley J, Bower M, Teesson M, Webster E, Chapman C. Mental health and substance use conditions among emerging adults in Australia 2020-2022: Prevalence, severity and psychosocial correlates within geographic regions. The Australian and New Zealand journal of psychiatry (2026). PMID: 41194495 DOI
  8. Ghalib Qutishat M, Abubaker R, Al-Damery K. Prevalence, Level, and Characteristics of Obsessive-Compulsive Symptoms Among Critical Care Nurses in Oman. Critical care nursing quarterly (2026). PMID: 41271654 DOI
  9. Alterman T, Timberlake JM, Flores-Redd M, Carroll DJ. Prevalence of Anxiety Symptoms by Sociodemographic and Employment Characteristics in a National Sample of Hired Crop Workers: Evidence From the National Agricultural Workers Survey (2018-2022). American journal of industrial medicine (2026). PMID: 41318977 DOI
  10. Coles ARL, Perry JK, Hiscock BB, Fawcett JM, Harris N, Fawcett EJ. The Prevalence of Cannabis Use Disorder in Individuals with Anxiety or Related Disorders: A Systematic Review. Journal of dual diagnosis (2026). PMID: 41447562 DOI
  11. Wang J, Yang D, Pan P, Ping L, Huang Y, et al. Global Temporal Trends and Projections of Anxiety Disorders Prevalence Among the Older Adults: An Age-Period-Cohort Analysis Based on the GBD 2021. International journal of geriatric psychiatry (2026). PMID: 41566647 DOI
  12. Abanoz E, Cicek AU, Ucuz I, Arslan SC, Sari SA, Sireli O. Who Is Most at Risk? Exploring the Prevalence of Psychiatric Comorbidities in Children With Intellectual Disability by Age, Sex, Severity, and Socioeconomic Background. Journal of applied research in intellectual disabilities : JARID (2026). PMID: 41577637 DOI
  13. Almulla AA, Khasawneh MAS. Prediction and Prevalence of Depression and Anxiety in Young Adults With Specific Learning Disorders: A Machine Learning Approach in Saudi Arabia. Clinical psychology & psychotherapy (2026). PMID: 41684197 DOI
  14. Maghalian M, Alizadeh-Dibazari Z, Mirghafourvand M. Global prevalence and associated factors of severe fear of childbirth: a systematic review and Meta-Analysis. Archives of women's mental health (2026). PMID: 41483192 DOI
  15. Agyapong B, Shalaby R, Eboreime E, Hay K, Pattison R, et al. Prevalence and predictors of PTSD and low resilience symptoms among subscribers of the MoreGoodDays supportive text messaging program: A cross-sectional study. PloS one (2026). PMID: 41512005 DOI
過去の文献 40 件を表示
  1. Yessimova D, Münchenberg PS, Ito C, Kurth T. Tools used to estimate the prevalence of generalized anxiety disorder in populations: a scoping review. Epidemiology and psychiatric sciences (2026). PMID: 41611239 DOI
  2. Greger HK, Kayed NS, Lehmann S, Jozefiak T, Lydersen S, et al. Prevalence and comorbidity of mental disorders among young adults with a history of residential youth care - a two-wave longitudinal study of stability and change. European archives of psychiatry and clinical neuroscience (2026). PMID: 40287873 DOI
  3. Fung HW, Mai Z, Chiu HTS, Ling HW, Chen SC, et al. Trauma, complex PTSD, and somatoform dissociation among disadvantaged parents in a community center: Prevalence and relationships with parenting and children's behavioral problems. The International journal of social psychiatry (2026). PMID: 40682471 DOI
  4. Hualparuca-Olivera L, Vigo-Ayasta E, Torales J, Ramos-Vera C, Caycho-Rodríguez T, et al. A Systematic Review and Meta-Analysis of the Global Prevalence of ICD-11 Complex Post-Traumatic Stress Disorder in the Community. The International journal of social psychiatry (2026). PMID: 40916145 DOI
  5. Keller J, Eglinsky J, Garbade M, Pfeiffer E, Plener PL, et al. Prevalence and risk factors of suicidal ideation amongst unaccompanied young refugees: a machine learning approach. European child & adolescent psychiatry (2026). PMID: 40936040 DOI
  6. Andersson J, Bråhn C, Zhai H, Mattelin E, Münger AC, Korhonen L. Prevalence and discriminant validity of PTSD and CPTSD in a community sample of adolescents with refugee backgrounds residing in Sweden. European child & adolescent psychiatry (2026). PMID: 41060418 DOI
  7. Wülfing C, Spitzer C, Lübke L, Emmert S, Thiem A. Shame-related disorders in patients with atopic dermatitis and psoriasis - An exploratory, cross-sectional interview study on the prevalence and correlates of body dysmorphic disorder and social anxiety disorder. Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG (2026). PMID: 41102874 DOI
  8. Larsen SE, Chavin RS, Flores J, Muñoz EA, Prabhu HY, et al. Comparing probable subthreshold and full PTSD prevalence in older versus younger veterans. Journal of affective disorders (2026). PMID: 41138950 DOI
  9. Smidl-Jørgensen J, Carlsson J, Sandahl H, Westergaard ML. Metabolic syndrome in refugees with PTSD: prevalence and associations with age, sex, and psychotropic medication use. Nordic journal of psychiatry (2026). PMID: 41454469 DOI
  10. Elahi A, Sohail M, Safdar M. Prevalence of impostor syndrome in medical and non-medical students at the university of Faisalabad. JPMA. The Journal of the Pakistan Medical Association (2026). PMID: 41830365 DOI
  11. Todd B, Foldes-Busque G, Way KL, Le KDR, Alvarenga M, et al. The prevalence of panic disorder in chronic obstructive pulmonary disease: a systematic review, meta-analysis, and meta-regression. Systematic reviews (2026). PMID: 41699727 DOI
  12. Mahony Reategui-Rivera C, Villarreal-Zegarra D, Soto-Becerra P, Burgos-Flores M, Rosales-Rimache J. Prevalence and Associated Factors of Mental Health Outcomes in Peruvian Healthcare Workers During the COVID-19 Pandemic: The FRONTLINE Study. Hispanic health care international : the official journal of the National Association of Hispanic Nurses (2026). PMID: 40080850 DOI
  13. Özbek M, Topal G. Problematic Cryptocurrency Trading Among Traders in Türkiye: A Cross-Sectional Study of Prevalence and Associations with Anxiety, Depression, and Problem Gambling. Journal of gambling studies (2026). PMID: 41026377 DOI
  14. Hu JH, Zhou Y, Ye Y, Jia FJ, Hou CL. The prevalence and risk factors of complex post-traumatic stress disorder in victims of intimate partner violence. Journal of psychiatric research (2026). PMID: 41520537 DOI
  15. Breithaupt L, Ji C, Zhao Z, Petterway F, Gydus J, et al. Prevalence of Pediatric Acute-Onset Neuropsychiatric Syndrome and Associated Obsessive-Compulsive Symptoms in Youth with Avoidant/Restrictive Food Intake Disorder. Journal of child and adolescent psychopharmacology (2026). PMID: 41636319 DOI
  16. Frodsham C, Harvey SB, Collins D, Krakue K, Dalgaard VL, et al. Prevalence of post-traumatic stress disorder in healthcare workers before and during COVID-19: a systematic review and meta-analysis. Frontiers in public health (2026). PMID: 41869602 DOI
  17. Hisham MohamedAbdelhalim Hakim Hussein A, Abdeen Hassan SA, Elniema OHA, Khalifa GEEG, Hisham MohamedAbdelhalim Hakim Hussein M, Hisham MohamedAbdelhalim Hakim Hussein M. Prevalence of probable posttraumatic stress disorder among Sudanese refugees in Egypt: a pilot study. Population health metrics (2026). PMID: 41794735 DOI
  18. Wallace D, Heffernan E, Meurk C, McKay D, Jones CN. Post-traumatic stress disorder in the Australian Defence Force: estimating prevalence from defence electronic health system records. BMJ military health (2026). PMID: 39689954 DOI
  19. Al-Mamun F, Das P, ALmerab MM, Muhit M, Mamun MA. Prevalence of mental health symptoms following child loss: A population-based study of bereaved mothers in Bangladesh. Journal of affective disorders (2026). PMID: 41429320 DOI
  20. Dunalska A, Jakubczyk A, Szulc A, Szejko N. Dissociative symptoms in depressive and anxiety disorders: prevalence and clinical correlates in a real-world outpatient sample. Journal of psychiatric research (2026). PMID: 41616749 DOI
  21. MacNeil BA, Montross M, Re S, Schultz S, Robey A, Bolch C. Lifetime prevalence of hoarding disorder symptoms in adults with an eating disorder: A systematic review and meta-analysis. Journal of psychiatric research (2026). PMID: 41628531 DOI
  22. Fawcett EJ, Morris Q, Lahey C, Corran C, Krause S, et al. The prevalence and predictors of aggressive obsessions in obsessive-compulsive disorder: A meta-analytic review. Journal of psychiatric research (2026). PMID: 41650656 DOI
  23. Rice GM, Linnville S, Luse TM, Erpenbach JD, Larocco SA. Prevalence of Neurological and Mental Health Illness in U.S. Naval Aviators: A Retrospective Cohort Study. Aerospace medicine and human performance (2026). PMID: 41895329 DOI
  24. Aftab W, Fnu H, Jillani SAQ, Imtiaz S, Zahoor MA, et al. Prevalence of Illness Anxiety Disorder and Its Relation to Anxiety Among Medical Students in Karachi: A Cross-Sectional Study. Brain and behavior (2026). PMID: 42021491 DOI
  25. Farhadian M, Jazayeri Sureshjani SF, Seddigh R, Soraya S. Prevalence of Obsessive-Compulsive Disorder in Inpatient Substance Users and the Relative Comorbidities: A Study in Iranian Psychiatric Hospitals from 2019 to 2022. Journal of dual diagnosis (2026). PMID: 42071284 DOI
  26. Śmilowska K, Szejko N, Owczarek AJ, Tomczak K, van Wamelen DJ, Müller-Vahl KR. The Prevalence of Tic Disorders in Poland: Regional and Sex Differences. Tremor and other hyperkinetic movements (New York, N.Y.) (2026). PMID: 42007310 DOI
  27. Bojorquez I, Ibarra-González I, Pérez-Duperou G, Hernández C. Prevalence and Associated Factors of Mental Health Problems Among Internally Displaced Persons In-Transit in Mexico. The International journal of social psychiatry (2026). PMID: 41054324 DOI
  28. Xu T, Chen Y, Shen Q, Dai S, Yan H, Ren J. A systematic review and meta-analysis of anxiety and depression in children and adolescents with inflammatory bowel disease: Prevalence and association. Journal of psychiatric research (2026). PMID: 41687568 DOI
  29. Thiele T, Ahrenstorf G, Witte T, Kahl KG, Hirsch S. Prevalence and recognition gap of depressive and anxiety symptoms in patients with inflammatory-rheumatic diseases - a single center experience. Journal of psychiatric research (2026). PMID: 41719638 DOI
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  33. Adewuya AO, Olibamoyo O, Lebimoyo A, Oladipo OE. Co-occurring depression and anxiety in Nigerian adolescents: Prevalence, risk factors, and functional impairment in a probability sample of 9437 students. Journal of affective disorders (2026). PMID: 41791597 DOI
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