There is very high variance in diagnosis, especially with different variants of ADHD such as older people (vs children), female (vs male) and inattentive (vs hy

There is very high variance in diagnosis, especially with different variants of ADHD such as older people (vs children), female (vs male) and inattentive (vs hyperactive). Almost certainly across cultures too. So variation in diagnosis might not reflect variation in prevalence. Hopefully they did their homework.