Dear Valued Visitor,

We have noticed that you are using an ad blocker software.

Although advertisements on the web pages may degrade your experience, our business certainly depends on them and we can only keep providing you high-quality research based articles as long as we can display ads on our pages.

To view this article, you can disable your ad blocker and refresh this page or simply login.

We only allow registered users to use ad blockers. You can sign up for free by clicking here or you can login if you are already a member.

10 Countries with the Highest Autism Rates in the World in 2017

10. Portugal

9.2 per 10,000 children

School-aged children were assessed where a laboratory investigation and clinical history were performed to find this rate. The Diagnostic and Statistical Manual of Mental Disorders, the Autism Diagnostic Interview-Revised, and the Childhood Autism Rating Scale were used during the assessment. The rate of mitochondrial respiratory chain disorders was unexpectedly high.

10 Countries with the Highest Autism Rates in the World in 2017

Olesia Bilkei/Shutterstock.com