The national claims analysis for fiscal year 2014 identified 86,756 prevalent and 30,449 incident ADHD drug users and estimated annual drug-use prevalence at 4.1 per 1,000 inhabitants, or about 0.4%. This measures medication use rather than ADHD diagnosis prevalence.
The annual prevalence of ADHD drug use was 4.1 per 1000 inhabitants in Japan.
The national claims analysis for fiscal year 2014 identified 86,756 prevalent and 30,449 incident ADHD drug users and estimated annual drug-use prevalence at 4.1 per 1,000 inhabitants, or about 0.4%. This measures medication use rather than ADHD diagnosis prevalence. The discussion compares the Japanese medication-use estimate with a cited U.S. estimate of 5.3%, but those are treatment figures. The database represented approximately 1%–2% of inhabitants, a stated limitation.