Statistics by Country for Mental illness

Incidence (annual) of Mental illness:

about 22.1 percent of American adults annually or 44.3 million people (NIMH)

Incidence Rate for Mental illness: approx 1 in 4 or 22.10% or 60.1 million people in USA [about data] Extrapolation of Incidence Rate for Mental illness to Countries and Regions: WARNING! EXTRAPOLATION ONLY. NOT BASED ON COUNTRY-SPECIFIC DATA SOURCES. The following table attempts to extrapolate the above incidence rate for Mental illness to the populations of various countries and regions. As discussed above, these incidence extrapolations for Mental illness are only estimates and may have very limited relevance to the actual incidence of Mental illness in any region:

About extrapolations of prevalence and incidence statistics for Mental illness:

WARNING! EXTRAPOLATED STATISTICS ONLY! Not based on data sources from individual countries. These statistics are calculated extrapolations of various prevalence or incidence rates against the populations of a particular country or region. The statistics used for prevalence/incidence of Mental illness are typically based on US, UK, Canadian or Australian prevalence or incidence statistics, which are then extrapolated using only the population of the other country. This extrapolation calculation is automated and does not take into account any genetic, cultural, environmental, social, racial or other differences across the various countries and regions for which the extrapolated Mental illness statistics below refer to. The extrapolation does not use data sources or statistics about any country other than its population. As such, these extrapolations may be highly inaccurate (especially for developing or third-world countries) and only give a general indication (or even a meaningless indication) as to the actual prevalence or incidence of Mental illness in that region. These statistics are presented only in the hope that they may be interesting to some people.

About prevalence and incidence statistics in general for Mental illness:

The word 'prevalence' of Mental illness usually means the estimated population of people who are managing Mental illness at any given time (i.e. people with Mental illness). The term 'incidence' of Mental illness means the annual diagnosis rate, or the number of new cases of Mental illness diagnosed each year (i.e. getting Mental illness). Hence, these two statistics types can differ: a short 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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