Prevalence rates for<unk>  Syndrome ranges from 0.03 to 4.84 per 1,000 in different studies. In 2014, the overall prevalence of autism spectrum disorders (ASD) was estimated to be 16.8 per 1,000 children aged 8 years. The male to female prevalence ratio for ASD is approximately 4 to 1. The estimate for ASD prevalence was 7% and 22% higher among white children compared to black and Hispanic children respectively.
Asperger syndrome epidemiology and demographics
Fragile X syndrome epidemiology and demographics
Lesch-Nyhan syndrome epidemiology and demographics
Wolff-Parkinson-White syndrome epidemiology and demographics
Attention-deficit hyperactivity disorder epidemiology and demographics
Sheehan's syndrome epidemiology and demographics
Down syndrome epidemiology and demographics
Mental retardation epidemiology and demographics