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Jan 25, 2024 · Prevalence of ASD. About 1 in 36 children has been identified with autism spectrum disorder (ASD) according to estimates from CDC's Autism and Developmental Disabilities Monitoring (ADDM) Network. [Read Article] ASD is reported to occur in all racial, ethnic, and socioeconomic groups. [Read Article]
Nov 15, 2023 · It is estimated that worldwide about 1 in 100 children has autism (1). This estimate represents an average figure, and reported prevalence varies substantially across studies. Some well-controlled studies have, however, reported figures that are substantially higher. The prevalence of autism in many low- and middle-income countries is unknown.
1 in 36 children in the U.S. have autism, up from the previous rate of 1 in 44. 1 in 45 adults in the U.S. have autism. In the U.S., about 4 in 100 boys and 1 in 100 girls have autism. Boys are nearly 4 times more likely to be diagnosed with autism than girls.
Mar 23, 2022 · Results: For 2020, across all 11 ADDM sites, ASD prevalence per 1,000 children aged 8 years ranged from 23.1 in Maryland to 44.9 in California. The overall ASD prevalence was 27.6 per 1,000 (one in 36) children aged 8 years and was 3.8 times as prevalent among boys as among girls (43.0 versus 11.4).
Mar 23, 2023 · “Prevalence” is the frequency of autism per 1,000 children. The “lower CI” and “upper CI” variables show the bounds of the 95% confidence interval. The “ADDM National Data” file include overall prevalence estimates and confidence intervals by sex and racial or ethnic group by year.
This data table summarizes information from peer-reviewed autism prevalence studies. Information reported from each study includes the autism prevalence estimate and additional study characteristics (such as case ascertainment and criteria).
Across the CDC surveillance sites, an average of 1 in every 36 (2.8%) 8-year-old children were estimated to have ASD in 2020. ASD is 3.8 times as prevalent among boys (4.3%) as among girls (1.1%). ASD is reported to occur in all racial and ethnic groups.
This data table provides a collection of information from peer-reviewed autism prevalence studies. Information reported from each study includes the autism prevalence estimate and additional study characteristics (e.g., case ascertainment and criteria).
Autism by the Numbers data show that 1 in 35 children aged 3-17 in the U.S. are diagnosed with ASD. These numbers are closely aligned with the CDC prevalence rate of 1 in 36 children aged 8 .
Mar 23, 2023 · One in 36 (2.8%) 8-year-old children have been identified with autism spectrum disorder (ASD), according to an analysis published today in CDC’s Morbidity and Mortality Weekly Report (MMWR). The new findings are higher than the previous 2018 estimate that found a prevalence of 1 in 44 (2.3%).
