Approximately 2.2 million American adults (NIMH); estimated 1.3% adults (USSG); more than 2 million Americans ... see also overview of Schizophrenia.
approx 1 in 123 or 0.81% or 2.2 million people in USA [Source statistic for calcuation: "Approximately 2.2 million American adults (NIMH); estimated 1.3% adults (USSG); more than 2 million Americans" -- see also general information about data sources]
More than 2 million Americans are affected by schizophrenia. (Source: excerpt from Schizophrenia Research at the NIMH: NIMH)
Rates of schizophrenia are very similar from country to country—about 1 percent of the population.5 (Source: excerpt from When Someone Has Schizophrenia: NIMH)
The term 'prevalence' of Schizophrenia usually refers to the estimated population
of people who are managing Schizophrenia at any given time.
The term 'incidence' of Schizophrenia refers to the annual diagnosis rate,
or the number of new cases of Schizophrenia diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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