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 3579. 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.

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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.

Systematic ReviewRigorous JournalHighly Cited

2018·

1036citations

·F. Charlson et al.

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.

Observational StudyHighly Cited

2020·

100citations

·Hairong He et al.

Schizophrenia: overview and dopamine dysfunction.

Current antipsychotic treatments effectively manage positive symptoms of schizophrenia, but more comprehensive treatments are needed to address negative and cognitive symptoms.

Highly Cited

2014·

77citations

·A. Abi-Dargham

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.

2022·

0citations

·Jean Berchmans Ndarusanze

Stigma and the Renaming of Schizophrenia

Schizophrenia's current label is outdated and may contribute to the stigma faced by those affected by the disorder.

2017·

4citations

·T. Maruta et al.

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.

2021·

0citations

·Michele Fonseca Szortyka et al.

Epidemiology of Schizophrenia in an Indian Hospital

Schizophrenia is a prevalent and increasing issue in India, with paranoid schizophrenia being the major subclass and a growing trend among patients in tertiary care hospitals.

Observational Study

2020·

5citations

·V. Mathew et al.

Erratum to: Stigma and the Renaming of Schizophrenia

Schizophrenia is a common disease with a prevalence rate of 1 %. Worldwide, roughly 24 million people suffer from it. The condition, initially coined “dementia praecox” by Kraepelin, was later termed “schizophrenie (schizophrenia)” by Bleuler, and the name has been used for over a century. In recent years, however, there has been a discussion whether schizophrenia, the disorder label, should be reconsidered.

2017·

0citations

·T. Maruta et al.

Challenges and solutions in developing new medications for Schizophrenia.

New treatments for schizophrenia face challenges in addressing functional and social deficits, but addressing these issues can lead to improved care and improved outcomes for patients.

2010·

2citations

·S. Potkin et al.

Using Google Maps to display the pattern of coauthor collaborations on the topic of schizophrenia: A systematic review between 1937 and 2017

Schizophrenia research has shown a significant increase in coauthor collaborations, with China, India, and France being the top countries generating research, and the top three medical subject headings being physiopathology, schizophrenic psychology, and complications.

Systematic Review

2019·

26citations

·T. Chien et al.

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