Of a sample group of 724 children, 50% of children diagnosed with Autism and 58% of children diagnosed with ADHD also had dysgraphia. These prevalence estimates reflect a higher prevalence of dysgraphia in children with Autism and ADHD than the general population.

Northwestern University

Exact definitions of dysgraphia vary, making an exact prevalence estimate challenging. However, an estimated 10-30% of school-aged children are identified as having writing challenges.

Prevalence of Dysgraphia

Mayes, S.D., Breaux, R.P., Frye, S.S. (2017). High Prevalence of Dysgraphia in Elementary Through High School Students With ADHD and Autism. Journal of Attention Disorders. 23(8). 

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