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Autism Prevalence Rises to 1 in 36 US Children, CDC Reports

New data shows a 22% increase in autism diagnoses since 2018, with notable reductions in racial and ethnic disparities.

By The Spectrum Brief newsroom · 2 hours agoPeer-reviewed
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The prevalence of autism spectrum disorder (ASD) among 8-year-olds in the United States has risen to 1 in 36 children (2.8%) in 2020, according to the latest data from the Centers for Disease Control and Prevention (CDC). This marks a 22% increase since 2018, when the rate was 1 in 44 children (2.3%). The findings, published in the CDC's Morbidity and Mortality Weekly Report, are based on surveillance data from 11 monitoring sites across the US, covering over 220,000 children.

Progress in Reducing Racial and Ethnic Disparities

One of the most notable changes in the new data is the reduction in historical disparities in autism diagnosis rates among racial and ethnic groups. Prevalence is now more evenly distributed, with rates of 2.9% among Asian children, 2.7% among Black children, 2.4% among Hispanic children, and 2.3% among White children. This shift suggests progress in reducing barriers to diagnosis and access to care for minority communities, as Johns Hopkins Bloomberg School of Public Health noted in their analysis of the report.

Why Are Diagnosis Rates Rising?

The steady increase in autism prevalence over the past two decades is widely attributed to improved screening, broader diagnostic criteria, and greater awareness of the condition. However, experts caution that the data does not necessarily indicate a true increase in the number of children with autism. Instead, it likely reflects better identification, especially among groups that were historically underdiagnosed. As CNN reported, the CDC emphasizes that the rise in prevalence is not linked to any single cause, including vaccines, which have been repeatedly debunked as a factor in autism.

What Comes Next?

While the new data highlights progress in reducing diagnostic disparities, challenges remain in ensuring equitable access to services and support for all autistic children. The CDC's findings underscore the need for continued investment in early screening and intervention programs, particularly in underserved communities. As CBS News pointed out, the rise in prevalence also raises questions about how schools and healthcare systems will adapt to meet the growing demand for autism-related services.

Voices from the Autistic Community

It's important to recognize the diversity and strengths of autistic individuals. As Autism Self Advocacy Network emphasizes, autism is a natural variation of human neurology, and autistic individuals contribute uniquely to society. Temple Grandin, a prominent autistic advocate, highlights the importance of supporting autistic individuals in ways that respect their autonomy and individuality.

#autism#CDC#prevalence#diagnosis#healthdisparities

Sources

  1. 01Estimated 1 in 31 children have autism as diagnosis rates increase in the US: CDC ABC News - Breaking News, Latest News and Videos, Feb 11, 2026
  2. 02Data and Statistics on Autism Spectrum Disorder Centers for Disease Control and Prevention | CDC (.gov), May 27, 2025
  3. 03New CDC Report Shows Increase in Autism in 2022 with Notable Shifts in Race, Ethnicity, and Sex Johns Hopkins Bloomberg School of Public Health, Apr 17, 2025
  4. 04Autism rates in US rose in 2022, CDC data shows CNN, Apr 15, 2025
  5. 05Autism rate rises to 3% of children in CDC study CBS News, Apr 17, 2025
  6. 06Prevalence and Early Identification of Autism Spectrum Disorder ... cdc.gov, Apr 17, 2025

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