Research
Tracking rising autism and ADHD diagnoses across Japan
The Brief
- Autism spectrum disorder and ADHD diagnoses are increasing in Japan.
- The rise is no longer limited to children; national data show adult ADHD diagnoses have overtaken ASD diagnoses.
- Young adult women are also among the groups showing increases, according to the report.
Why it matters
Rising diagnosis rates across age groups and sexes point to changing recognition and service needs, which matter for clinicians, educators and health planners who track neurodevelopmental conditions.
Who’s affected
- clinicians and health planners in Japan
- researchers studying neurodevelopmental conditions
- adults seeking or awaiting assessment for ADHD or autism
Autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) are increasingly diagnosed in Japan, and the rise is no longer limited to children. National data show that adult ADHD diagnoses have overtaken ASD diagnoses, while young adult women have…