Autism Prevalence Increases in Arizona
1 in 36, or 2.7% of 8-year-old children were identified with autism in WISADDS in 2020.
![](https://cdn.prod.website-files.com/62bb5b3b9f6d951110a0d0b0/65084b8caec80ae0022c86b9_Autism%20Prevalence%20Increases%20in%20Arizona.avif)
Arizona's Autism Prevalence
- More children with average intelligence are being identified with autism since ADDSP began tracking in 2000.
- The percentage of boys identified with autism is higher than the percentage of girls.
- More children are being diagnosed with autism by age 4 years than in previous reports.
1 in 36, or 2.7% of 8-year-old children were identified with autism in WISADDS in 2020.
![Arizona: Chart showing 2.7% of 8-year-old children were identified with ASD in ADDSP in 2020.](https://cdn.prod.website-files.com/62bb5b3b9f6d951110a0d0b0/64550dcffdd20c33981ad2c5_graph-1.avif)
1 in 64, or 1.6% of 4-year-old children were identified with autism by ADDSP in 2020.
![State of Arizona Over 2.2 graph](https://cdn.prod.website-files.com/62bb5b3b9f6d951110a0d0b0/64550dd4c8d96d67641a09eb_Over-2.2-graph.avif)
Children age 4 years (1.1%) were 1.5 times as likely to receive an autism diagnosis or autism special education classification by 48 months of age compared to children who were age 8 years (0.72%).
![Arizona Age group graph](https://cdn.prod.website-files.com/62bb5b3b9f6d951110a0d0b0/64550de03199d639d2e351dc_Age-group-graph.avif)
The COVID-19 pandemic disrupted many aspects of life, including the ability to evaluate children for autism.
4-year-old children were less likely to have an evaluation than 8-year-old children when they were they were the same age at the beginning of the pandemic.
![State of Arizona Evaluations grpah](https://cdn.prod.website-files.com/62bb5b3b9f6d951110a0d0b0/64550de70b6fc678dabf0052_Evaluations-grpah.avif)