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

Stock photo of a group of neurons.

Finding neuroheterogeneity’s sweet spot

Once thought to be detrimental to memory processing, neuronal diversity—at the right ‘Goldilocks’ dose—is a new boon to theoretical neuroscience.

By Natalia Mesa
20 October 2026 | 7 min read
Illustration of an open journal featuring lines of text and small illustrations of eyes and mouths.

COVID-19 and influenza effects in pregnancy; and more

Here is a roundup of autism-related news and research spotted around the web for the week of 19 October.

By Jill Adams
20 October 2026 | 2 min read
Illustration of a person standing in a crumbling room with papers and strings on the wall, a fallen chair, and a lamp.

What to do when traditional mechanistic approaches no longer work

Many complex behaviors have stubbornly resisted mechanistic explanations. Deciphering them will require new approaches—and perhaps a new concept of “understanding.”

By Bence Ölveczky
19 October 2026 | 8 min read