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The Average Lifespan of a Person With Autism: What Research Shows

When families first hear about autism, one of the questions that sometimes comes up is about life expectancy. The truth is, autism itself does not shorten a person’s lifespan.


People with autism can and do live long, fulfilling lives. However, research shows that on average, autistic individuals may face certain health and safety risks that can impact life expectancy.


Studies suggest that the average lifespan of a person with autism can be shorter than the general population, sometimes by 15–20 years. This isn’t because of autism itself, but often due to co-occurring conditions, such as epilepsy, mental health challenges, or higher risks of accidents.


The good news is that with the right support, awareness, and healthcare, these risks can often be reduced.


Every individual with autism is unique. Many live well into their 70s and beyond, especially when they have strong support systems and access to proper healthcare.


Families can make a big difference by focusing on regular medical checkups, creating safe and structured environments, and supporting healthy routines around diet, exercise, and sleep.


It’s also important to remember that lifespan is only one piece of the picture. Quality of life matters just as much, if not more.


With early intervention, therapies like ABA, and family involvement, children and adults with autism can thrive, build independence, and enjoy meaningful connections throughout their lives.


At All Star ABA, we’re committed to helping families create positive, supportive environments that improve both quality of life and long-term outcomes. We provide in-home ABA therapy, center-based ABA therapy, ABA therapy in school, and ABA parent training for families across Maryland and Virginia.


FAQs


  • Does autism shorten life expectancy?

    Not directly — but certain health and safety risks may contribute to a shorter average lifespan.


  • Can people with autism live long lives?

    Yes. Many autistic individuals live into their 70s and beyond, especially with strong support.


  • What can families do to support longevity?

    Focus on healthcare, safety, healthy routines, and consistent support at home and in the community.


Sources:



  • https://www.autismparentingmagazine.com/autism-life-expectancy/
  • https://pmc.ncbi.nlm.nih.gov/articles/PMC6713622/
  • https://www.news-medical.net/news/20231123/Study-estimates-the-life-expectancy-and-years-of-life-lost-by-autistic-people-in-the-UK.aspx
  • https://www.verywellmind.com/what-to-know-about-autism-and-lower-life-expectancy-6748941
  • https://www.autism.org.uk/advice-and-guidance/professional-practice/research-into-the-life-expectancy-of-autistic-peop


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