{"id":17889,"date":"2024-02-23T17:30:52","date_gmt":"2024-02-23T22:30:52","guid":{"rendered":"https:\/\/autism.org\/?p=17889"},"modified":"2025-04-15T15:01:51","modified_gmt":"2025-04-15T20:01:51","slug":"prevalence-of-autism-in-adults","status":"publish","type":"post","link":"https:\/\/autism.org\/prevalence-of-autism-in-adults\/","title":{"rendered":"Prevalence of autism in adults increasing rapidly in the U.S."},"content":{"rendered":"

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This editorial originally appeared in ARI\u2019s Autism Research Review International \u2013 <\/em>now available online. Visit the ARRI Online to continue reading this issue and more.<\/span><\/p>\n<\/div>

<\/i>Visit the ARRI Online<\/span><\/a><\/div>
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The prevalence of autism spectrum disorders (ASD) among adults in the United States is rising rapidly, according to a new study.<\/p>\n<\/div>

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Eric Rubenstein and colleagues analyzed a random sample of Medicaid records from 2011 through 2019, identifying individuals 18 years of age or older with a diagnosis of autism. They report, \u201cIn this cohort study of 403,028 Medicaid enrollees with autism claims over nine years of claims data, autism prevalence increased from 4.2 per 1,000 enrollees in 2011 to 9.5 per 1,000 enrollees in 2019. The largest increase was observed in the 25- to 34-year age group and the smallest increase in the 55- to 64-year age group.\u201d The percentage of Medicaid enrollees with ASD who also had intellectual disability (ID) dropped from 62 percent in 2011 to 46 percent in 2019, potentially indicating a greater awareness of autism in individuals without ID.<\/p>\n

The researchers conclude, \u201cThese findings suggest that despite difficulties in identifying autism in adults, there is a considerable and growing population of autistic adults among Medicaid enrollees, which may have future implications for the Medicaid system and understanding the needs of the autistic population.\u201d<\/p>\n

This article originally appeared in Autism Research Review International, <\/em><\/a>Vol. 37, No. 4, 2023<\/em><\/p>\n<\/div>

How To Pursue an Autism Diagnosis as an Adult<\/a><\/strong>\u00a0\u2013\u00a0<\/strong>From the Cleveland Clinic<\/em><\/p>\n<\/div>

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