Autism Resources
Explore plain-language guides on autism, school support, and everyday family life.
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Autism is a lifelong neurodevelopmental condition that can affect communication, social interaction, behavior, interests, and everyday experiences.
Screening identifies possible developmental concerns; it does not diagnose autism. Learn about evaluation and what happens next.
Communication and sensory experiences, support needs, co-occurring conditions, and life after a diagnosis.
Find information, organizations, and support that fit your needs — nationally and by state.
Autism research, explained clearly: what researchers studied, what they found, and what remains uncertain.
Find local providers, services, and activities that fit your family’s needs.
The M-CHAT-R/F is a parent-report toddler screening tool. Screening is not diagnosis — discuss results with a healthcare professional.

Ask a question in your own words and get an instant response to help you find your next step.
What official data can — and cannot — tell us.
Surveillance years 2000–2022. Combined prevalence per 1,000 eight-year-olds across CDC’s Autism and Developmental Disabilities Monitoring (ADDM) Network sites. The number of sites changed between years (6 to 16), and so did geographic coverage and methods — these changes matter when reading the trend. These figures come from monitored communities; they are not a count of all U.S. children and do not explain causes. Source: CDC, Data and Statistics on Autism Spectrum Disorder (page updated April 15, 2025).
| Surveillance year | Sites | Per 1,000 | About |
|---|---|---|---|
| 2022 | 16 | 32.2 | 1 in 31 |
| 2020 | 11 | 27.6 | 1 in 36 |
| 2018 | 11 | 23.0 | 1 in 44 |
| 2016 | 11 | 18.5 | 1 in 54 |
| 2014 | 11 | 16.8 | 1 in 59 |
| 2012 | 11 | 14.5 | 1 in 69 |
| 2010 | 11 | 14.7 | 1 in 68 |
| 2008 | 14 | 11.3 | 1 in 88 |
| 2006 | 11 | 9.0 | 1 in 110 |
| 2004 | 8 | 8.0 | 1 in 125 |
| 2002 | 14 | 6.6 | 1 in 150 |
| 2000 | 6 | 6.7 | 1 in 150 |
Dated summaries of selected studies, each linked to the original source.
July 9, 2025 · Nature Genetics
Researchers analyzed clinical and developmental characteristics alongside genetic information and identified four research-derived groups. These are not four new official diagnoses or a test assigning every autistic person to a fixed type.
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July 2026 · Translational Psychiatry
A review discusses data-driven subtyping and questions about stability over time and usefulness for predicting outcomes. Research categories need further validation before clinical use.
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January 29, 2026 · Nature
Researchers used human cortical organoid models to examine genetically defined autism and developmental pathways. Laboratory models represent selected aspects of biology; this work is not a clinical diagnostic test or established treatment.
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