Researchers point to social, diagnostic and biological factors to help explain a rise in diagnoses in recent years.
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- 1 in 36 eight-year-old children in the U.S. were identified as having an Autism Spectrum Disorder (ASD) diagnosis in 2020, according to the CDC. The prevalence of diagnoses has increased in recent decades, both in the U.S. and abroad.
- Reasons for this rise include increased awareness, changes to how professionals diagnose and identify ASD, and increased community capacity, meaning the development of services in the community that might identify and support people with an ASD diagnosis.
- According to the CDC, studies show that “vaccines are not associated with ASD.” There is also no single cause of ASD.
During a Dec. 16, 2024, news conference at his Florida residence Mar-a-Lago, U.S. President-elect Donald Trump talked about a rise in autism rates in the United States in recent decades, saying (at the 28:28 mark in the video):
You know, …