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Autism and immigration background, insights from a population-based study.
M Florencia Ricci1,2, Gilles R Detillieux3, Sepideh Yousefiasl4
1Department of Pediatrics and Child Health, Max Rady College of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.
Paediatrics & Child Health
|March 13, 2026
Summary
Children of immigrant families in Manitoba showed higher autism rates. This population-based study found increased autism risk among children with immigrant parents, highlighting a need for further investigation into underlying factors.
Area of Science:
- Public health research
- Epidemiology
- Child development
Background:
- Autism spectrum disorder (ASD) diagnosis rates vary globally.
- Understanding demographic influences on ASD is crucial for public health.
- Immigration patterns may impact child health outcomes.
Purpose of the Study:
- To investigate the association between immigration status and autism diagnosis in children.
- To determine if children of immigrant parents have different autism incidence rates in Manitoba, Canada.
Main Methods:
- Population-based data linkage of clinical registry and immigration records (2016-2022).
- Inclusion of children aged 18 months to 6 years residing in Manitoba.
- Estimation of autism incidence and adjusted relative risks (aRR) by child and parent immigration status.
Main Results:
- Among 2408 children diagnosed with autism, 47% had at least one immigrant parent.
- Canadian-born children with at least one immigrant parent had the highest autism risk (aRR: 2.29).
- Children with two immigrant parents showed the highest likelihood of autism diagnosis (aRR: 3.08).
Conclusions:
- Children from immigrant families in Manitoba exhibit higher autism rates.
- Further research is needed in other Canadian regions to confirm these findings.
- Investigating potential factors contributing to this observed association is essential.
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