The Autism Services Cliff
National Data on the Dramatic Drop in Support Between High School and Adulthood, and Why the Population Facing It Is About to Grow
Prepared by ASD Life Coaches | Founded by Jaclyn Hunt, Pioneer of Autism Life Coaching
Authored by Cliff Tillery, who represents Luzran, and prepared this report on behalf of ASD Life Coaches
Data Sources: CDC Autism and Developmental Disabilities Monitoring (ADDM) Network | A.J. Drexel Autism Institute, National Autism Indicators Report: Transition into Young Adulthood | A.J. Drexel Autism Institute, National Autism Indicators Report: Developmental Disability Services and Outcomes in Adulthood | Autism New Jersey
of young autistic adults are “disconnected,” no job, no continued education, in their early 20s
drop in speech-language therapy use from age 17 to just after high school graduation
of young autistic adults receive no services of any kind after high school ends
children now identified with autism nationally, a population about to reach adulthood in growing numbers
BOTTOM LINE
Autism support in the United States is overwhelmingly built around childhood, early intervention, special education, pediatric therapies, and drops away sharply the moment a young person leaves high school. Researchers at Drexel University's A.J. Drexel Autism Institute have documented this so consistently that they gave it a name: the “services cliff.” Speech-language therapy use falls from 66% of autistic 17-year-olds to just 10% shortly after graduation. More than a third of young autistic adults are completely disconnected from both work and education in their early 20s, a disconnection rate over four times higher than young adults with other types of disabilities. And roughly a quarter receive no services of any kind after high school, at precisely the point when the demands of adult life, employment, relationships, independent living, are accelerating. With national autism prevalence now at 1 in 31 children and still rising, the population about to hit this cliff is only getting larger.
Executive Summary
Public awareness, research funding, and service infrastructure for autism have historically concentrated almost entirely on children. Early intervention, applied behavior analysis, special education, and pediatric therapies are relatively well-established and, in many states, legally mandated through age 21. What happens after that is far less understood, far less funded, and, according to the research that does exist, far worse for the people living through it. The A.J. Drexel Autism Institute's Life Course Outcomes Research Program has spent over a decade documenting this gap through its National Autism Indicators Report series, and its findings describe a systemic, well-documented “services cliff”: a population that had consistent support through adolescence suddenly loses most of it right as the stakes of adulthood, a job, a place to live, relationships, safety, go up.
This report walks through what that cliff actually looks like in the data: the scale of service loss, how many young autistic adults end up disconnected from both work and school, the risk factors that compound the problem, and why the population reaching this transition point is set to grow substantially in the coming decade as autism identification rates continue climbing. It closes with what the research suggests actually helps, and where structured, adult-focused support fits into a system that, as currently built, largely stops at age 18.
Key Findings
Finding 1 | Autism Identification Has Nearly Quintupled Since 2000, and the Wave Reaching Adulthood Is Just Beginning
CDC's Autism and Developmental Disabilities Monitoring (ADDM) Network has tracked autism prevalence among 8-year-olds since 2000, when the rate stood at roughly 1 in 150 children. The most recent data, covering children born in 2014 and published in April 2025, puts the national rate at 1 in 31, continuing a steady climb through 1 in 44 (2018 data) and 1 in 36 (2020 data). Boys are identified at 3.4 times the rate of girls, and an estimated 40% of identified children also have a co-occurring intellectual disability.
The practical implication is straightforward: children identified with autism today will, in large numbers, be entering the transition-to-adulthood window described in this report roughly a decade from now, and every ADDM cycle to date has identified more of them, not fewer. Whatever gaps exist in adult autism services today are set to be tested against a substantially larger population in the years ahead.
Autism prevalence: 1 in 150 (2000) → 1 in 44 (2018) → 1 in 36 (2020) → 1 in 31 (2022)
National Autism Prevalence Among 8-Year-Olds, CDC ADDM Network
| 2000 (first ADDM estimate) | 2018 data (published 2021) | 2020 data (published 2023) | 2022 data (published 2025) | New Jersey, 2022 data |
|---|---|---|---|---|
| 1 in 150 | 1 in 44 | 1 in 36 | 1 in 31 | 1 in 29 |
Source: CDC ADDM Network prevalence estimates, published via MMWR Surveillance Summaries (2025). New Jersey figure via Autism New Jersey, citing the same CDC release; New Jersey has held one of the highest identification rates of any ADDM site for over a decade.
Finding 2 | The “Services Cliff”: What the Research Actually Documents
Drexel University's Life Course Outcomes Research Program coined the term “services cliff” to describe a pattern its researchers found consistently across national survey data: young autistic adults lose access to services abruptly and dramatically the moment they leave the K-12 system, regardless of whether their underlying needs have changed. The starkest documented example is speech-language therapy, used by 66% of autistic 17-year-olds, a rate that collapses to just 10% shortly after high school graduation. Families surveyed for the National Autism Indicators Report also reported a sharp increase in the effort required to find and access any services at all once their child left the K-12 system, compared to the effort required at age 17, when school-based service coordination was still in place.
This isn't a story about services becoming unnecessary, it's a story about a support structure that is legally mandated through the school system and largely voluntary, means-tested, or waitlisted once a young adult ages out of it. The same young person, with the same underlying needs, moves from a system built around entitlement to one built around eligibility, application, and availability.
Speech-language therapy use: 66% at age 17 → 10% shortly after high school
Finding 3 | More Than One in Three Young Autistic Adults Are Completely Disconnected From Work or School
The National Autism Indicators Report's most cited finding may be its starkest: 37% of young adults on the autism spectrum were “disconnected” during their early 20s, meaning they had neither a job nor any continued education after high school. For comparison, fewer than 8% of young adults with other types of disabilities were disconnected over the same period, meaning autistic young adults face a disconnection rate more than four and a half times higher than their peers with other disabilities, not just their non-disabled peers.
Disconnection at this stage of life tends to compound rather than resolve on its own. Employment and continued education are two of the primary pathways through which young adults build routine, social connection, and skill development in their early 20s; without either, researchers found many of these young adults also lacked structured daytime activity of any kind. Among those who did find employment, most worked part-time in low-wage positions rather than roles matched to their skills or interests.
37% disconnected vs. under 8% of young adults with other disability types
Disconnection Rate in Early 20s: Autism vs. Other Disability Types
| Young adults with autism, disconnected | Young adults with other disability types, disconnected |
|---|---|
| 37% | <8% |
Source: Roux AM, Shattuck PT, Rast JE, Rava JA, Anderson KA. National Autism Indicators Report: Transition into Young Adulthood. A.J. Drexel Autism Institute, Life Course Outcomes Research Program, 2015. “Disconnected” is defined as having neither a paid job nor continued education after high school.
Finding 4 | A Quarter Receive No Services at All After High School, and Transition Planning Often Starts Late
Roughly 26% of young adults on the autism spectrum received no services of any kind after high school, services that could have helped with employment, continued education, or independent living, and that figure rises to 28% among those who were disconnected from both work and school. The federal special education law requires transition planning, the process of setting goals for life after high school, to begin no later than age 16. Yet the National Autism Indicators Report found only 58% of autistic students had a transition plan in place by that federally mandated age, meaning a substantial share of families were already behind on transition planning well before their child ever reached the services cliff itself.
The combination is difficult to overstate: a population that's more likely than peers with other disabilities to end up disconnected from work and school, more likely to have started transition planning late, and, for over a quarter of them, receiving no services at all to help close that gap once high school ends.
Finding 5 | The Compounding Risk Factors That Make This Transition More Dangerous
The services cliff doesn't happen to a population with a single, isolated need, it happens to a population already managing significant additional risk. The National Autism Indicators Report found more than 60% of autistic youth had at least two health or mental health conditions beyond autism itself, most commonly including ADHD, anxiety, depression, and seizure disorders. Nearly half of autistic youth reported being bullied during high school. And more than a quarter (27%) of autistic adolescents engaged in wandering behavior, impulsively leaving a supervised situation, a safety risk that researchers noted had received very little dedicated study before this report despite its prevalence.
Each of these factors on its own would argue for more support during the transition to adulthood, not less. Together, they describe a population moving through one of the most consequential transitions of their lives, the same years that shape long-term employment, relationships, and independence for anyone, with meaningfully higher underlying risk and a service system that offers dramatically less help than it did the year before.
Over 60% of autistic youth have at least two additional health or mental health conditions
What This Means for Families and the Autism Support System
Transition planning needs to start well before age 16, not at the federal minimum.
With only 58% of autistic students having a transition plan in place by the legally required age, and with services becoming dramatically harder to access after graduation, starting the transition-planning conversation earlier, including skills like self-advocacy, executive functioning, and independent daily living, gives families more runway before the cliff arrives, not less.
The system's entitlement-to-eligibility shift means families need to build their own bridge across the cliff.
Because school-based services are legally guaranteed while adult services are typically means-tested, waitlisted, or simply harder to locate, families can't assume the same level of coordinated support will simply continue. Identifying what specific adult services exist, vocational rehabilitation, state DD/waiver services, community-based supports, and how to apply for them well before high school ends is a concrete way to reduce the size of the gap.
Disconnection compounds, so keeping a young adult connected to something structured matters more than finding the “perfect” next step.
Given how strongly disconnection from both work and school predicts poor outcomes, any structured activity, part-time work, a certificate program, a coaching relationship focused on concrete next steps, reduces the risk of full disconnection, even if it isn't the ultimate long-term plan.
Coaching is one of the few supports specifically designed to operate on the adult side of the cliff.
Much of the traditional autism service system, school-based therapies, pediatric-focused interventions, is built for childhood and adolescence by design. Life coaching for autistic adults, by contrast, is structured specifically around the post-high-school years: building executive functioning, social and workplace skills, and independent living capacity at the exact life stage where the research shows support otherwise drops away fastest.
The Data: Autism Transition & Services Cliff Reference
| Data Point | Figure | Source |
|---|---|---|
| National autism prevalence, 2000 (first ADDM estimate) | 1 in 150 | CDC ADDM Network |
| National autism prevalence, 2018 data | 1 in 44 | CDC ADDM Network |
| National autism prevalence, 2020 data | 1 in 36 | CDC ADDM Network |
| National autism prevalence, 2022 data (most recent) | 1 in 31 | CDC ADDM Network, published April 2025 |
| New Jersey autism prevalence, 2022 data | 1 in 29 | Autism New Jersey, citing CDC ADDM Network |
| Autism prevalence by sex (male vs. female) | 3.4x more common in boys | CDC ADDM Network |
| Autistic 8-year-olds with co-occurring intellectual disability | ~40% | CDC ADDM Network |
| Speech-language therapy use, age 17 | 66% | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Speech-language therapy use, shortly after high school | 10% | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Young autistic adults “disconnected” (no job, no education) in early 20s | 37% | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Young adults with other disability types, disconnected | <8% | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Young autistic adults receiving no services after high school | 26% (28% among disconnected) | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Autistic students with a transition plan by the federally mandated age (16) | 58% | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Autistic youth with 2+ co-occurring health/mental health conditions | 60%+ | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Autistic youth bullied during high school | ~50% | Drexel National Autism Indicators Report (Roux et al., 2015) |
| Autistic adolescents who engaged in wandering/elopement behavior | 27% | Drexel National Autism Indicators Report (Roux et al., 2015) |
The Drexel National Autism Indicators Report's Transition into Young Adulthood findings are based on the 2015 report, the primary national data source on this specific topic; the report's underlying data and conclusions continue to be cited as the authoritative baseline in autism transition research published as recently as 2024-2025. No comparably comprehensive national follow-up survey on this exact set of indicators has been published since.
About ASD Life Coaches
ASD Life Coaches was founded by Jaclyn Hunt, widely recognized as the pioneer of autism life coaching, who began coaching autistic adults in 2013, before the profession was formally recognized, and is the author of Life Coaching for Adults on the Autism Spectrum. ASD Life Coaches provides one-on-one coaching for autistic, ADHD, and AuDHD adults, specializing in executive functioning, social and communication skills, relationship building, and life transitions including the move from high school into college, employment, and independent living, precisely the population and life stage this report documents as most at risk of falling through the gaps in the traditional service system. ASD Life Coaches is an approved vendor with New Jersey's Division of Developmental Disabilities, ClassWallet, and California's Self-Determination Program.
Methodology, Limitations & Sources
This report synthesizes published CDC Autism and Developmental Disabilities Monitoring (ADDM) Network prevalence data with findings from the A.J. Drexel Autism Institute's National Autism Indicators Report series, specifically the 2015 “Transition into Young Adulthood” report and the related 2017 “Developmental Disability Services and Outcomes in Adulthood” report. These Drexel reports remain the most comprehensive national data source specifically documenting the autism services cliff and young adult disconnection; while the underlying survey data is not from the current year, it remains the authoritative baseline cited throughout current (2024-2025) academic research on this topic, and no comparably comprehensive national follow-up survey has since been published on this exact set of indicators. CDC prevalence data reflects the most recent ADDM Network release (April 2025, covering children born in 2014). This report does not constitute clinical, medical, or legal advice, and individual outcomes vary widely.
- Centers for Disease Control and Prevention. Autism and Developmental Disabilities Monitoring (ADDM) Network. Prevalence and Early Identification of Autism Spectrum Disorder Among Children Aged 4 and 8 Years, 16 Sites, United States, 2022. MMWR Surveillance Summaries, 2025;74(SS-2):1-25. cdc.gov/mmwr
- Roux, A. M., Shattuck, P. T., Rast, J. E., Rava, J. A., & Anderson, K. A. National Autism Indicators Report: Transition into Young Adulthood. Philadelphia, PA: Life Course Outcomes Research Program, A.J. Drexel Autism Institute, Drexel University, 2015. drexel.edu/autisminstitute
- Roux, A. M., Rast, J. E., Anderson, K. A., & Shattuck, P. T. National Autism Indicators Report: Developmental Disability Services and Outcomes in Adulthood. Life Course Outcomes Program, A.J. Drexel Autism Institute, Drexel University, 2017. drexel.edu/autisminstitute
- Autism New Jersey. CDC Releases Updated Prevalence Rates (2025); Prevalence Rates. New Jersey-specific autism prevalence data, citing CDC ADDM Network. autismnj.org
AI Transparency Statement: The raw dataset, statistical findings, and written content of this report were independently compiled by the human authors from official CDC and Drexel University data sources. Claude Sonnet 5 (High Effort) was utilized strictly as an execution tool for programmatic document formatting, HTML-to-PDF rendering layout structure, and pixel-margin optimization. All final formatting choices and numerical values were manually checked and verified by the authors.