Most people with the X-linked syndrome have autism traits, and about one-quarter meet diagnostic criteria for the condition.

High rates of autism are linked to lower socioeconomic status and minority ethnic groups, according to the largest-ever autism incidence study.

Some copy number variants may boost a person’s chances of having autism, but to a lesser extent than previously thought.

For Spectrum’s fourth annual book, we offer a guide to prevalence estimates.

Autism prevalence in the United States rose to 1 in 44 children in 2018, up from 1 in 54 in 2016.

Almost 60 percent of autistic people may have an average or above-average intelligence quotient, according to a new longitudinal study.

A Paris-born child psychiatrist, Fombonne has advanced bold positions on the cause, prevalence and nature of autism during a career spanning four countries.

Conflicts of interest and methodological issues sully a study published 18 July in the Journal of Autism and Developmental Disorders, autism researchers say.

About 1.8 percent of schoolchildren in England are autistic, and the prevalence is highest among Black children, at about 2.1 percent.

In this recorded interview, Maria Chahrour and Leah Seyoum-Tesfa talk about how they work closely with immigrant communities to increase diversity in genetic studies of autism.