How many people have schizophrenia worldwide
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Global Prevalence of Schizophrenia
Schizophrenia Prevalence Estimates
Schizophrenia is a chronic mental disorder that affects millions of people worldwide. According to the Global Burden of Disease Study 2016, the global age-standardized point prevalence of schizophrenia in 2016 was estimated to be 0.28% . This translates to approximately 20.9 million cases globally in 2016, up from 13.1 million in 1990 . Another study from the Global Burden of Disease Study 2017 reported 1.13 million incident cases of schizophrenia in 2017 .
Consistent Prevalence Across Studies
Multiple sources corroborate these findings, indicating that schizophrenia affects around 24 million people worldwide Abi-Dargham2014Maruta2016Mathew2020+1 MORE. This consistency across various studies highlights the reliability of these estimates.
Regional and Demographic Variations
While the global prevalence rate is relatively stable, there are regional and demographic variations. For instance, the age-standardized incidence rate (ASIR) and age-standardized rate of disability-adjusted life years (ASDR) were highest in East Asia in 2017 . Additionally, the incidence and burden of schizophrenia are higher among males compared to females, and the highest rates are observed in individuals aged 20-29 and 30-54 years .
Increasing Burden Over Time
The burden of schizophrenia has been increasing over time, primarily due to population growth and aging. The Global Burden of Disease Study 2016 noted that schizophrenia contributes 13.4 million years of life lived with disability globally . This increasing burden underscores the need for effective healthcare planning and resource allocation to manage the growing number of patients with schizophrenia.
Conclusion
In summary, schizophrenia affects approximately 24 million people worldwide, with a global prevalence rate of around 0.28%. The burden of the disease is substantial and increasing, necessitating ongoing efforts in healthcare planning and resource allocation to address this significant public health issue.
Sources and full results
Most relevant research papers on this topic
Global Epidemiology and Burden of Schizophrenia: Findings From the Global Burden of Disease Study 2016
Schizophrenia has a low prevalence but substantial burden of disease, particularly affecting middle-income countries due to population growth and aging.
Trends in the incidence and DALYs of schizophrenia at the global, regional and national levels: results from the Global Burden of Disease Study 2017
The global burden of schizophrenia remains large and continues to increase, with the highest incidence rates in East Asia and high-income countries.
Schizophrenia and other psychotic disorders at Kamenge neuropsychiatric center (Burundi, Africa) 2009-2021
Schizophrenia cases in Burundi have gradually increased over time, reaching 27.25% of all psychoses in 2021, with a higher prevalence than other psychoses.
The importance of physical intervention in the treatment of patients diagnosed with Schizophrenia
Physical intervention is crucial in treating schizophrenia, as it helps reduce negative symptoms and improve cognitive symptoms, while also addressing intrinsic risk factors.
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