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The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time.
Autism cases spiked 175% among U.S. residents from 2011 to 2022. The rates climbed at a faster rate among young adults.
According to the CDC's Morbidity and Mortality Weekly Report, which looked at data from 11 communities around the U.S., 1 in 36 (2.8%) children aged 8 were identified as having autism spectrum ...
In the United States, around half (53.4%) of young adults with autism spectrum disorder (ASD) worked after leaving school (2011 figures), this rate being the lowest among disability groups. [39] [73] Michael Bernick and Richard Holden (2015) estimate that the overall unemployment rate for autistic Americans is between 60% and 70%. [46]
[1] [2] The prevalence ratio is often cited as about 4 males for every 1 female diagnosed. [3] Other research indicates that it is closer to 3:1 or 2:1. [2] [4] One in every 42 males and one in 189 females in the United States is diagnosed with autism spectrum disorder. [5]
Nationally, the rise in autism rates has been similar to the trend in New York and New Jersey, according to a 2021 CDC report. One in 54 children had been diagnosed with autism by age 8 in 2016 ...
A 2016 survey in the United States reported a rate of 25 per 1,000 children for ASD. [366] Rates of autism are poorly understood in many low- and middle-income countries, which affects the accuracy of global ASD prevalence estimates, [367] but it is thought that most autistic people live in low- and middle-income countries. [368]
The estimated prevalence of autism is 11.8 per 10,000 people while the estimated prevalence of autism spectrum conditions is 26.6 per 10,000 people. In Japan, recent estimates of autism spectrum are as high as 13 per 10,000 people. This suggests that autism is more common in Asia than previously thought.