Many autistic children rate the therapy as less effective at treating their anxiety than their parents and clinicians do.

In this edition of By the Numbers, we discuss antipsychotic use among autistic preschoolers, coronavirus vaccination rates among autistic Israelis and autism diagnosis timelines.

In this edition of By the Numbers, we discuss machine learning for autism, early-onset dementia, and antipsychotic medicines during pregnancy.

In this edition of By the Numbers, we discuss the outsize burden of COVID-19 among some groups of autistic people, expansions in Medicaid waivers for autism and how an autistic person’s age at diagnosis may affect their risk for other conditions.

Girls are more likely to have various other conditions, such as anxiety or an eating disorder, if they are diagnosed with autism as a teenager, compared with girls diagnosed as children. The findings may suggest that clinicians miss diagnosing some autistic girls unless they also have co-occurring conditions.

Roughly 30 percent of people with autism plus another condition, such as anxiety, are prescribed three or more psychotropic medicines. And that mix frequently changes from year to year.

In this edition of By the Numbers, we discuss medication shifts in people with autism, outpatient facilities providing autism care and pandemic-induced behavioral changes in autistic children.

More autistic women and girls report daily pain than do men and boys with the condition.

See autism research results distilled into simple visualizations, along with eye-opening statistics and datasets.

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