Accounting for autism’s prevalence

Recent articles

Global autism prevalence map

Map of global autism prevalence

View an interactive map of studies on autism prevalence around the world. The map highlights places where information is available — and places where information is missing.

By Spectrum
20 March 2025 | 5 min read
Out-of-focus photograph of a young girl sitting at a desk using an eraser.

U.S. study charts changing prevalence of profound and non-profound autism

Profound autism prevalence rose from 2002 to 2016, though not nearly as much as non-profound autism did.

By Angie Voyles Askham
19 April 2023 | 6 min read
Overhead picture of a racially diverse group of children playing while lying on a blue carpet.

U.S. autism prevalence continues to rise as race and sex gaps shrink, new stats show

About 1 in 36 children in the United States has autism, up almost 20 percent from the previous estimate, reflecting improved identification, particularly among girls and Black, Hispanic and Asian or Pacific Islander children.

By Peter Hess
23 March 2023 | 5 min read
A map of England displaying autism incidence.

Autism incidence in England varies by ethnicity, class, location

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

By Isabel Ruehl
6 December 2022 | 5 min read
wooden pebble shapes stacked on top of each other, at varying heights, and according to colors of the spectrum.

Autism by the numbers: Explaining its apparent rise

Is autism really more common among children today than in generations past? This new downloadable book offers an in-depth guide to the various factors that have helped to drive autism prevalence numbers up.

By Spectrum
22 December 2021 | 1 min read
Birds-eye-view of children sitting on grass in a circle formation each inside a hula hoop to represent improved identification and diagnosis of autism.

U.S. autism prevalence inches upward as racial gaps close

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

By Peter Hess
2 December 2021 | 2 min read

Explore more from The Transmitter

Body state, sensory signals commingle in mouse whisker cortex

The new study challenges a long-held view that the barrel cortex exclusively encodes sensory signals from the whiskers.

By Claudia López Lloreda
6 August 2025 | 6 min listen
Book cover for Bird Brains and Behavior: A Synthesis, showing several bird species.

‘Bird Brains and Behavior,’ an excerpt

In their new book, published today, Georg Striedter and Andrew Iwaniuk dive deep into the latest research on the neural mechanisms of avian behavior. This excerpt from Chapter 2 explores how birds sleep.

By Andrew Iwaniuk, Georg Striedter
5 August 2025 | 9 min read
Illustration of an open journal featuring lines of text and small illustrations of eyes and mouths.

Itch in a mouse model of autism; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 4 August.

By Jill Adams
5 August 2025 | 1 min read