Global Autism Prevalence
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Timeline of studies
Year published
Year(s) studied
Data last updated on 1 April 2025
Type of study
All
Prevalence
All
<50
50-100
>100
Sample size
All
<10,000
10,000-100,000
>100,000
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Age (years)
Diagnostic criteria
Diagnostic tools
Percent w/ average IQ
Sex ratio (M:F)
Prevalence (per 10,000)
95% Confidence interval
Year(s) studied
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