How prevalent are Autism Spectrum Disorders?
A2: The US National Institute of Health estimates that one American child in 150 is affected with an ASD, compared with one in 10,000 a decade ago. As many as 1.5 million Americans today are believed to have some form of autism. The overall incidence is consistent around the globe, but is four times more prevalent in boys than girls. It’s now estimated that one boy in 94 is diagnosed with autism.