Prevalence of Autism

This data was taken from: “Pervasive Developmental Disorders in Preschool Children,” which was published in June, 2001, in the Journal of the American Medical Association by Chakrabarti and Fombonne

a) Prevalence rate for Autistim 16.8/10,000
b) Prevalence rate for PDD-NOS 36.1/10,000
c) Prevalence rate for Asperger’s Syndrome 8.4/10,000
d) Prevalence rate for all pervasive developmental disorders 62.6/10,000