Autism Spectrum Disorder in Tennessee

The Centers for Disease Control and Prevention (CDC) announced on 4/17/25 that the estimated prevalence of children in the U.S. with autism spectrum disorder (ASD) has again increased.

Principal investigators from the Vanderbilt Kennedy Center's (VKC) Treatment and Research Institute for Autism Spectrum Disorders (TRIAD) continue to lead tracking in Tennessee through a grant from the CDC’s Autism and Developmental Disabilities Monitoring (ADDM) Network.

Tennessee is one of 14 participating states.

What We Learned in Tennessee
There are many children living with autism who need services and support. The estimated number of 8-year-old children identified with autism in the area covered by TN-ADDM increased from 2.8% (1 in 36) in 2020 to 3.4% (1 in 29) in 2022.
Although an increasing number of young children with autism are being identified by 4-years of age, many children are still not receiving comprehensive evaluations at young ages (42% of 8-year-olds received a comprehensive evaluation before 3 years of age).
In TN-ADDM, more Asian or Pacific Islander, Black, and Hispanic children who were age 4 were identified with autism compared with White children.

For more details on how this information was collected, frequently asked questions, and how this information can be useful to families and providers, see here.

To view the community report, see here.

How TRIAD addresses the needs of Tennessee children with ASD and their families

Autism Clinical Services, including using telemedicine to assess children in their communities, thereby reducing wait times and helping families access Tennessee Early Intervention Services.
Provides Families First free monthly workshops for parents of young children with ASD.
Provides Autism Resources Line for families and professionals. Statewide autism resources are available from Tennessee Disability Pathfinder.
Partners with the Tennessee Department of Education on live and online learning.
- Early Intervention and Early Childhood Services: Model preschool classrooms, training for early educators, and using telehealth to serve families in their homes
- School-Age Services: Interactive training and consultation for teachers, special educators, administrators, and other professionals
Partners with community and civic organizations through Community Engagement with training and resources to support communities as they encourage the participation of families affected by ASD.
Provides free printable resources.

Kingston, 2, is thriving with the help of TRIAD’s telemedicine initiative and services

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Autism Spectrum Disorder in Tennessee

What We Learned in Tennessee

How TRIAD addresses the needs of Tennessee children with ASD and their families