不安症・PTSD

パニック症・社交不安症・PTSDの受療動向と一般人口有病率。

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

年 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

国 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 93 件中、最新 15 件を表示しています。

  1. Olsen RK, Arnfred SM, Randau M, Madsen C, Nielsen KD, et al. A systematic review of the prevalence of fatigue in common mental disorders (mood disorders, anxiety disorders, personality disorders, and trauma and stressor related disorders). BMC psychiatry (2026). PMID: 42092821 DOI
  2. Wang Y, Hou C, Huang Z, Yan M, Yan D. Global prevalence and associated factors of social anxiety disorder among medical students: a systematic review and meta-analysis. BMC psychology (2026). PMID: 42210425 DOI
  3. Drzymała S, Blask-Osipa A, Szczepańska-Alvarez A, Markowska H, Dobrzyńska M, et al. Anxiety-Depressive Disorders in 200 Patients with Post-COVID-19 Syndrome: Prevalence and Predictors from a Cross-Sectional Study. Medicina (Kaunas, Lithuania) (2026). PMID: 42512777 DOI
  4. Yavuzlar Civan H, Berkol TD. ADHD Comorbidity in Women with Depression and Anxiety: Prevalence, Clinical Features and Hyperfocus Dynamics. International journal of psychiatry in medicine (2026). PMID: 40934870 DOI
  5. Astridge A, Copas C, Hannon O, Martins BD, Knight JM, et al. Prevalence and predictors of post-traumatic stress disorder, depression, and anxiety among community-dwelling women victim-survivors of intimate partner violence. Social psychiatry and psychiatric epidemiology (2026). PMID: 41838071 DOI
  6. Hinwood NS, Dunlevy CG, Doody C, Blake C, Fullen BM, et al. Pain in People Living With Obesity: Baseline Multidimensional Profiles, Prevalence and Biopsychosocial Factors From a Cohort Study. European journal of pain (London, England) (2026). PMID: 42397681 DOI
  7. Archana S, Vaingankar JA, Tan BCW, Chang S, Tan YWB, et al. Probable obsessive-compulsive disorder among youth in Singapore: Prevalence, sociodemographic correlates, and the association with psychological distress, harmful alcohol use and functional impairment. Comprehensive psychiatry (2026). PMID: 42401119 DOI
  8. Albuaini S, Najjar M, Mustafa Y, Hasan M, Tawfik MIY, Saeed L. Prevalence and risk factors of post-traumatic stress disorder among 2023 earthquake survivors in Syria and Turkey: A multinational cross-sectional study. The Journal of international medical research (2026). PMID: 42403111 DOI
  9. Zhao S, Yu Y, Dayton LI, Caffrey J, Frey KP, et al. Posttraumatic Growth in Families Following Burn Injury: Prevalence and Discrepancy in Patient-Caregiver Pairs. Journal of burn care & research : official publication of the American Burn Association (2026). PMID: 41863626 DOI
  10. Yang A, Manaswi A, Fischer MW, Fischer IC, Na PJ, Pietrzak RH. Comorbid Cardiovascular Disease and Posttraumatic Stress Disorder in Older US Veterans: Prevalence, Health Burden, and Functional Impairment. The primary care companion for CNS disorders (2026). PMID: 42475746 DOI
  11. Islam B, Barai SS, Khatun MM, Hossain A, Tohan MM, et al. Fear of Falling, Anxiety, and Depressive Symptoms Among Older Adults in Bangladesh: Prevalence, Correlates, and Mediation Pathways. Depression and anxiety (2026). PMID: 42518334 DOI
  12. Helminen EC, Behari K, Scheer JR, Magill M. Prevalence of elevated mental health symptoms, hazardous alcohol and other drug use, and their co-occurrence across sexual and gender identity in a national probability sample. Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors (2026). PMID: 42241081 DOI
  13. Fan Z, Li W, Deng T, Xu H, Xu Y, et al. Global, regional and national prevalence of mental disorders among women at childbearing age from 1992 to 2021. Archives of women's mental health (2026). PMID: 41739227 DOI
  14. Ismayilova L, Guliyeva N, Fu L, Salayev K, Heidorn E, et al. Child mental health after institutional care in Azerbaijan: prevalence and correlates. BMC public health (2026). PMID: 41814279 DOI
  15. Shah A, Gandhi R, Variya A, Vaishnav A, Navale A. Body Dysmorphic Disorder Among Young Individuals: Prevalence and Psychological Correlates. Psychopharmacology bulletin (2026). PMID: 41821988 DOI
過去の文献 78 件を表示
  1. Pranal M, Legrand A, de Chazeron I, Pr DG, Pr PML, Vendittelli F. Prevalence of maternal psychological disorders after immediate postpartum hemorrhage: a repeated nested cross-sectional survey in a cohort study. BMC pregnancy and childbirth (2026). PMID: 41913127 DOI
  2. Koroma N, Tyson T, Karodeh N, Peddireddy S, Elkomi R, et al. Prevalence of psychiatric disorders in foster care adolescent populations. Journal of the National Medical Association (2026). PMID: 41720711 DOI
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  4. Khan S, Yaqoob H, Jabeen SF, Khalid T, Kazmi SMR. Prevalence of temporomandibular disorders and their association with psychosocial and behavioural factors among medical and dental postgraduate residents: a cross-sectional study. BMC oral health (2026). PMID: 41957763 DOI
  5. Hine BA, Harman JJ, Leder-Elder S, Bates EA. Prevalence and impact of parental alienating behaviors (PABs) in adults aged 18-25 in the United Kingdom. Frontiers in public health (2026). PMID: 42110299 DOI
  6. Tesfau YB, Berhe AK, Gebre YG, Gebremariam A, Beraki MF, et al. Postwar posttraumatic stress disorder: Prevalence and associated factors among adolescents and youths in Tigray, Ethiopia. Scientific reports (2026). PMID: 42045317 DOI
  7. Zwemer E, Nassetta LB, Schwartz A, Batra M. Impostor Phenomenon in Pediatric Residents: Prevalence and Association With Clinical Performance. Academic pediatrics (2026). PMID: 41791646 DOI
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  9. Afewerki Haylom F, Neupane SP. Prevalence of Depression and Associated Factors Among Adult Eritreans in Norway. The International journal of social psychiatry (2026). PMID: 41178781 DOI
  10. Fayyat T, Qadire MA, Abdelrahman H. Comparative Analysis of Post-Traumatic Stress Disorder Prevalence and Predictors Among Cancer Patients and Survivors of Intensive Care Units in Jordan. Seminars in oncology nursing (2026). PMID: 41688280 DOI
  11. Tang MT, He J, Liu XL, Zhang HY, Zhang YY, Liu ZQ. Prevalence and predictors of post-traumatic stress disorder symptoms in paediatric patients aged 8-18 years after discharge from paediatric intensive care units. Australian critical care : official journal of the Confederation of Australian Critical Care Nurses (2026). PMID: 41932237 DOI
  12. Arena AF, Vilus B, Gregory M, Collins DAJ, Gayed A, et al. Posttraumatic stress disorder prevalence among former first responders: A systematic review and meta-analysis. Journal of traumatic stress (2026). PMID: 42089600 DOI
  13. Carvallo DE, Martínez EN, Cristancho MC, Gunturu S. Empowering Community Psychiatry: A Cross-Sectional Study of the Prevalence of Generalized Anxiety Disorder in an Underserved Venezuelan Population. The primary care companion for CNS disorders (2026). PMID: 42284562 DOI
  14. Brauer K, Proyer RT. Matters arising from Salari et al. (2025): Why it is (currently) impossible to estimate accurate prevalence rates of the Impostor Phenomenon. BMC psychology (2026). PMID: 42374543 DOI
  15. Cénat JM, Moshirian Farahi SMM, Clorméus LA, Jean L, Lafleur N, et al. Prevalence and factors associated with post-traumatic stress disorder among internally displaced populations due to gang violence in Haiti. Journal of anxiety disorders (2026). PMID: 42119540 DOI
  16. Maurya AP, Arya YK, Maurya RP, Priyanka. Prevalence and associated factors of post-traumatic stress disorder, anxiety, and depression in ocular trauma: A systematic review. Acta psychologica (2026). PMID: 42217376 DOI
  17. Fujii Takayuki, Nogami Yuji, Seo Taiga. Regional disparities in insurance-covered cognitive behavioural therapy in Japan: a nationwide cross-sectional study using National Database Open Data, 2015-2023. BMJ open (2026). PMID: 41974546
  18. Chen Chong, Asai Yoshiyuki, Mochizuki Yasuhiro, Hagiwara Kosuke, Okubo Ryo, et al. Heterogeneous pathways to depressive and anxiety disorders: A cluster-based predictive study in a nationwide longitudinal cohort. Psychological medicine (2026). PMID: 42130384
  19. GBD 2023 Mental Disorder Collaborators. Updated trends in the global prevalence and burden of mental disorders, 1990-2023: a systematic analysis for the Global Burden of Disease Study 2023. Lancet (London, England) (2026). PMID: 42167272
  20. Ishikawa Tomofumi, Sakai Takamasa, Iwama Noriyuki, Obara Ryo, Morishita Kei, et al. Benzodiazepine exposure during early pregnancy and risk of miscarriage: dose-response, half-life classification, and individual agents. Archives of women's mental health (2026). PMID: 42176056
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  22. Shaheen M, Amasha FA, Riad N, Ail OM, Morshed MI, et al. Prevalence of obsessive-compulsive symptoms and associations with psychological distress and quality of life among medical students in Egypt: a multicentre cross-sectional study. BMJ open (2026). PMID: 42203267 DOI
  23. El Khoury J, Bader E, Hallal M, Salameh P, Abed El Sater R, et al. Body dysmorphic disorder in Lebanese dermatology patients: prevalence and correlates of depression, anxiety, stress, and trauma in a multitraumatized population. European journal of psychotraumatology (2026). PMID: 42186903 DOI
  24. 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
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  26. 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
  27. 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
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  30. 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
  31. 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
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  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
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