1 in 50
According to the 2019 Canadian Health Survey on Children and Youth, about 1 in 50 children and youth aged 1 to 17 in Canada had an autism diagnosis
Primary source Public Health Agency of Canada (2024) Verified 2024-03-26
Autism has no single cause, and it is not caused by parenting or vaccines
Vaccines do not cause autism; this has been thoroughly studied and debunked.
Video
Your browser cannot play this video. Open the video file.
Read the caption transcript
Autism has no single cause, and it is not caused by parenting or vaccines Autism has no single cause. Vaccines do not cause autism; this has been thoroughly studied and debunked. Autism is not caused by parenting practices. There is no scientific evidence that screen time causes autism. Read the guide www.endthewaitontario.com/autism-causes
Download English captions (WebVTT)Vaccines do not cause autism; this has been thoroughly studied and debunked. A short explainer with music and captions. 52 seconds.
Next
- Running time 0:52 Family and daily life
Autism Resources for Parents in Ontario: A Complete Guide
Ontario's primary autism funding program is the Ontario Autism Program (OAP). - Running time 0:54 Family and daily life
If caregiving is taking more than you can carry, start here
Respite care provides temporary relief so caregivers can rest, address their own needs, or attend to other responsibilities. - Running time 0:33 Family and daily life
A practical puberty plan for autistic teens and families
Start early with clear, concrete information about physical changes, self-care, emotions, relationships, and personal boundaries.
Sources on this page
The source chain stays visible.
Key claims are paired with their source, evidence tier, and verification date so readers can inspect the public record directly.
Facts 3
Sources 3
Evidence supports autism screening and intervention commencing in the first 2 years of life — earlier identification directly enables earlier intervention during the highest neural plasticity window
Primary source Zwaigenbaum L, Bauman ML, Stone WL, et al. (2015) Verified 2015-10-01
WHO recommends accessible, community-based early interventions for children with autism. Timely evidence-based psychosocial interventions improve communication and social engagement
Primary source World Health Organization (2025) Verified 2025-09-17
Open complete source list(3)
Last system verification: 2026-11-03. Next scheduled update: 2027-02-01.
About this page
Check the author’s context, review method, and how to report an error.
Written by Spencer Carroll
Founder & Autism Advocate
Lived experience: Parent of autistic child in the OAP system