About 1 percent of the world population has autism spectrum disorder. (CDC, 2014)
Prevalence in the United States is estimated at 1 in 68 births. (CDC, 2014)
More than 3.5 million Americans live with an autism spectrum disorder. (Buescher et al., 2014)
Prevalence of autism in U.S. children increased by 119.4 percent from 2000 (1 in 150) to 2010 (1 in 68). (CDC, 2014) Autism is the fastest-growing developmental disability. (CDC, 2008)
Prevalence has increased by 6-15 percent each year from 2002 to 2010. (Based on biennial numbers from the CDC)
Cost of lifelong care can be reduced by 2/3 with early diagnosis and intervention. (Autism. 2007 Sep;11(5):453-63; The economic consequences of autistic spectrum disorder among children in a Swedish municipality. Järbrink K1.)