How common is autism? What are the autism statistics in Australia?
The Australian Bureau of Statistics (ABS) reported that there were 205,200 autistic Australians in 2018, which was around 1% of the population.
The precise prevalence of autism internationally is unknown but estimates generally suggest that around 1% and 2% of the world population are autistic. Autism seems to be equally prevalent in all ethnic and cultural groups, though access to autism assessments vary significantly throughout the world.