The prevalence of autism in US has increased steady since
2000.
This increase is due to the increase stem from growing
awareness for autism and changes to the criteria for
diagnosis.
The CDC estimated 1 in 68 children with autism in US.
Yhe increased awareness for autism is also led to the increase
in prevalence. Greater awareness is likely to boost CDC.
The diagnosis criteria has changed so the prevalence also
increased. Diagnosis give children a greater access to specialzed
services and special education than do diagnosis of other
conditions.