Editing Schizophrenia (section)

==Epidemiology==
{{Main|Epidemiology of schizophrenia}}
[[File:Schizophrenia world map-Deaths per million persons-WHO2012.svg|thumb|upright=1.3|Deaths per million persons due to schizophrenia in 2012
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In 2017,{{update after|2022|8|22}} the [[Global Burden of Disease Study]] estimated there were 1.1&nbsp;million new cases;<ref name=GBD2018/> in 2022 the World Health Organization (WHO) reported a total of 24 million cases globally.<ref name=WHO2022/> Schizophrenia affects around 0.3–0.7% of people at some point in their life.<ref name=Javitt2014/><ref name=NIHStat>{{cite web|title=Schizophrenia |url= http://www.nimh.nih.gov/health/statistics/prevalence/schizophrenia.shtml |date= 22 April 2022 |access-date= 23 August 2022 |publisher= US [[National Institute of Mental Health]] (NIMH)|work= Statistics}}</ref> In areas of conflict this figure can rise to between 4.0 and 6.5%.<ref>{{cite journal | vauthors = Charlson F, van Ommeren M, Flaxman A, Cornett J, Whiteford H, Saxena S | title = New WHO prevalence estimates of mental disorders in conflict settings: a systematic review and meta-analysis | journal = Lancet | volume = 394 | issue = 10194 | pages = 240–248 | date = July 2019 | pmid = 31200992 | pmc = 6657025 | doi = 10.1016/S0140-6736(19)30934-1 }}</ref> It occurs 1.4&nbsp;times more frequently in males than females and typically appears earlier in men.<ref name=BMJ07/>

Worldwide, schizophrenia is the most common [[psychotic disorder]].<ref name=Kar2016/> The frequency of schizophrenia varies across the world,<ref name=DSM5/> within countries,<ref>{{cite journal | vauthors = Kirkbride JB, Fearon P, Morgan C, Dazzan P, Morgan K, Tarrant J, Lloyd T, Holloway J, Hutchinson G, Leff JP, Mallett RM, Harrison GL, Murray RM, Jones PB | title = Heterogeneity in incidence rates of schizophrenia and other psychotic syndromes: findings from the 3-center AeSOP study | journal = Archives of General Psychiatry | volume = 63 | issue = 3 | pages = 250–258 | date = March 2006 | pmid = 16520429 | doi = 10.1001/archpsyc.63.3.250 | doi-access = free }}</ref> and at the local and neighborhood level;<ref>{{cite journal | vauthors = Kirkbride JB, Fearon P, Morgan C, Dazzan P, Morgan K, Murray RM, Jones PB | title = Neighbourhood variation in the incidence of psychotic disorders in Southeast London | journal = Social Psychiatry and Psychiatric Epidemiology | volume = 42 | issue = 6 | pages = 438–445 | date = June 2007 | pmid = 17473901 | doi = 10.1007/s00127-007-0193-0 | s2cid = 19655724 }}</ref> this variation in [[prevalence]] between studies over time, across geographical locations, and by gender is as high as fivefold.<ref name=Lancet2016/>

Schizophrenia causes approximately one percent of worldwide [[disability adjusted life years]]{{update after|2022|8|24}}<ref name=BMJ07/> and resulted in 17,000 deaths in 2015.<ref name=GBD2015/>

In 2000,{{update after|2022|8|22}} WHO found the percentage of people affected and the number of new cases that develop each year is roughly similar around the world, with age-standardized prevalence per 100,000 ranging from 343 in Africa to 544 in Japan and Oceania for men, and from 378 in Africa to 527 in Southeastern Europe for women.<ref>{{update after|2022|8|22}} {{cite web|title=Global burden of schizophrenia in the year 2000|date= 15 August 2006| url=https://www.who.int/healthinfo/statistics/bod_schizophrenia.pdf|publisher=[[World Health Organization]] | vauthors = Ayuso-Mateos JL |access-date=27 February 2013|url-status=live|archive-url=https://web.archive.org/web/20160304075113/http://www.who.int/healthinfo/statistics/bod_schizophrenia.pdf|archive-date=4 March 2016}}</ref>