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What Percentage of Autistic Children Have ADHD? 

PostedSeptember 17, 2025
UpdatedSeptember 17, 2025
ByMy Patient Advice

The ADHD rate in autistic kids is notably high, with research showing that a significant percentage of children with autism also experience symptoms of ADHD. Studies suggest that around 30-50% of children diagnosed with autism also meet the criteria for ADHD This ADHD comorbidity in children with autism makes it crucial for clinicians to assess both conditions carefully, as their overlapping symptoms can complicate diagnosis and treatment. 

Understanding the autism prevalence alongside ADHD is essential for providing a more comprehensive and effective treatment plan for children. With this knowledge, parents, educators, and healthcare providers can better support children in managing the unique challenges presented by both conditions. 

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ADHD Comorbidity in Autism 

ADHD comorbidity in autism can intensify difficulties with attention, behaviour, and social interaction. 

Overlapping Symptoms:  

Both ADHD and autism share traits such as impulsivity, inattention, and difficulty with social interactions, which can make it difficult to differentiate between the two. This overlap often leads to underdiagnosis or misdiagnosis, particularly in children with autism who may exhibit ADHD-like behaviours that are attributed to their autism spectrum disorder (ASD). 

Impact on Diagnosis and Treatment: 

The ADHD rate in autistic kids underscores the importance of a comprehensive diagnostic approach that considers both conditions. Children with ADHD and autism may benefit from a combination of treatments, such as behavioural therapy, medications, and educational interventions that address both the cognitive and social challenges they face. 

Improved Outcomes with Dual Diagnosis:  

Recognising ADHD comorbidity in children with autism allows for more tailored interventions. Properly addressing both ADHD and autism symptoms together can lead to more successful outcomes, helping children develop coping skills, improve focus, and thrive in both academic and social settings. 

The ADHD rate in autistic kids highlights the need for careful, accurate diagnosis and a holistic treatment approach to meet the unique needs of children with both ADHD and autism. 

For personal consultations on types of behaviours within autism spectrum disorder, visit providers like ADHD Certify. For a deeper dive into the science, diagnosis, and full treatment landscape, [read our complete guide to Autism Spectrum Disorder.  

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Victoria Rowe, MSc, author for my patient advice - mypatientadvice.co.uk

Victoria Rowe, MSc

Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy. 

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