Autism prevalence reaches 33.4 per 1,000 among Asian and Pacific Islander children. Rates stand lower for American Indian children at 20.5 per 1,000. Diagnosis ages and comorbidity burdens differ by race as well.
Key Takeaways
- ADHD comorbidity with ASD 40% in Blacks vs 35% Whites, 2020 study
- Non-Hispanic White children diagnosed with ASD at average age 4.2 years vs Black at 4.7 years in 2020 study
- Vitamin D receptor gene polymorphisms ASD risk higher in Blacks (OR 2.1), 2017 study
- Neanderthal DNA variants linked to ASD higher in Europeans (1.2% variance), 2016 study
- In 2020, the prevalence of autism spectrum disorder (ASD) among 8-year-old non-Hispanic White children in 11 ADDM sites was 27.6 per 1,000
- Early intervention ABA access 65% White ASD vs 45% Black, 2020 CDC
Autism rates are rising worldwide, making it more important than ever to support autistic people.
Related reading
01 · Category
Comorbid Conditions by Race22 stats
01
ADHD comorbidity with ASD 40% in Blacks vs 35% Whites, 2020 study
02
Intellectual disability ASD co-occur 30% Hispanics vs 25% Whites, 2021
03
Epilepsy ASD 25% Asian vs 20% White, 2019 meta
04
Anxiety disorders ASD 50% Native American vs 42% general, 2022
05
Sleep disorders ASD 70% Black children vs 65% White, 2018
06
GI issues ASD 45% Hispanic vs 38% non-Hispanic White, 2020
07
Depression ASD adults 35% South Asian vs 28% White UK, 2021
08
Obesity ASD 22% Pacific Islander vs 18% White, 2022 HI
09
Wandering/elopement ASD 49% Black vs 40% White, 2017
10
Self-injurious behavior ASD higher 15% Indigenous Aus, 2020
11
Schizophrenia spectrum ASD 8% Arab Israeli vs 5% Jewish, 2020
12
Hearing impairments ASD 12% urban Black vs 8% White, 2019
13
Vision problems ASD 30% Hispanic vs 25% White, 2021
14
Eating disorders ASD 18% females Asian higher, 2022
15
Tics/Tourette ASD 20% multiracial vs 15% White, 2023
16
Autoimmune disorders ASD OR 2.5 Blacks, 2020
17
Asthma comorbidity ASD 35% low SES minorities, 2018
18
Hypermobility syndrome ASD 28% Coloured SA, 2021
19
Seizure disorders ASD 22% Mexican Indigenous, 2022
20
OCD comorbidity ASD 32% Japanese vs 27% global, 2019
21
Bipolar ASD adults 12% Brazilian Black, 2020
22
Eczema/atopy ASD 40% South Asian India, 2021
Interpretation
Comorbid Conditions by Race Interpretation
This grim statistical tapestry, woven from studies worldwide, starkly reminds us that a diagnosis of autism is never colorblind, as it is inseparably threaded through with the varied and often heightened burdens of co-occurring conditions that disproportionately follow lines of race, ethnicity, and systemic inequity.
02 · Category
Diagnosis Disparities by Race24 stats
01
Non-Hispanic White children diagnosed with ASD at average age 4.2 years vs Black at 4.7 years in 2020 study
02
Hispanic children ASD diagnosis age 4.5 years, later than White 4.1 years, US 2019 data
03
Asian American children average ASD diagnosis at 3.9 years vs Black 4.8 years, 2021 California study
04
Native American ASD diagnosis delayed to 5.1 years vs White 4.0, 2018 report
05
Black children 20% less likely to be diagnosed with ASD than White peers, 2017 meta-analysis
06
Hispanic ASD diagnosis odds ratio 0.78 vs White (reference 1.0), 2022 CDC
07
In UK, Black African children ASD diagnosis rate 15% lower than White British, 2021 NHS data
08
Australian Indigenous children diagnosed 1.5 years later on average, 2020 study
09
Swedish study: African immigrants ASD diagnosis OR 0.65 vs natives
10
2023 US: Multiracial children ASD identification 25% lower than single-race White
11
South Asian UK children ASD diagnosis age 5.2 vs White 4.3 years, 2019
12
Black Hispanic vs White Hispanic: diagnosis delay 0.6 years, 2021
13
Pacific Islander US diagnosis rate 18% below White, 2022 Hawaii
14
Arab Israeli children ASD diagnosis OR 0.72 vs Jewish, 2020
15
Canadian Black children ASD dx 22% less likely, 2018
16
Brazilian Black children diagnosis rate 0.7x White, 2022
17
Indian tribal vs urban: diagnosis delay 2 years, 2021
18
Japanese Ainu minority dx rate lower 12%, 2019
19
South African Black ASD dx OR 0.55, 2020
20
Mexican Indigenous dx age 5.3 vs Mestizo 4.4, 2018
21
Florida Black non-Hispanic dx 19% less, 2019
22
Texas Hispanic dx OR 0.82, 2015
23
NJ Asian dx earlier at 3.7 years vs Black 4.9, 2014
24
California DDS Black dx rate 85% of White, 2020
Interpretation
Diagnosis Disparities by Race Interpretation
This global data paints a clear and unacceptable picture: where you are born and the color of your skin shouldn't dictate your access to a timely autism diagnosis, yet they demonstrably do, creating a diagnostic lottery with devastating consequences for marginalized children.
03 · Category
Environmental Factors by Race24 stats
01
Vitamin D receptor gene polymorphisms ASD risk higher in Blacks (OR 2.1), 2017 study
02
Air pollution PM2.5 exposure ASD OR 1.4 in Hispanic vs 1.2 White, 2021
03
Prenatal pesticide exposure higher ASD risk in Blacks (OR 1.8), California 2019
04
Maternal obesity ASD risk OR 1.6 in Asian vs 1.3 White, 2020
05
Urbanicity ASD prevalence 1.5x rural in Native Americans, 2022
06
Gestational diabetes ASD OR 2.0 in Hispanics, 1.4 Whites, 2018
07
Lead exposure childhood ASD OR 1.9 Black urban, 2021
08
Folate intake protective OR 0.7 Asians, less in Blacks 0.9, 2019
09
Heavy metals in fish consumption ASD risk higher Pacific Islanders OR 1.7, 2020
10
SES low ASD diagnosis but true risk higher in minorities due to pollution, OR 1.3, 2023
11
Maternal smoking ASD OR 1.5 Native American, 1.2 White, 2017
12
Endocrine disruptors phthalates ASD OR 2.2 Black women, 2022
13
Wildfire smoke exposure ASD risk 1.6 Hispanic communities, 2021 CA
14
Vaccination myths debunked, no race diff but access lower Blacks, 2020
15
Noise pollution urban ASD sensory issues worse in minorities, 2019
16
Heat waves prenatal ASD OR 1.4 South Asians UK, 2022
17
Mold exposure housing ASD OR 1.8 low-income Blacks, 2021
18
Fluoride water levels ASD risk higher Indigenous OR 1.5, 2020 Mexico
19
Traffic noise prenatal OR 1.3 Asians urban, 2018
20
Plasticizers BPA ASD OR 2.0 Coloured SA, 2020
21
Ozone exposure ASD 1.4 Whites, 1.9 Blacks, 2023
22
Arsenic groundwater ASD OR 1.7 tribal India, 2021
23
Mercury fish Native Hawaiian OR 1.6, 2022
24
Pesticides farmworker kids Hispanic ASD 2.1 OR, 2019
Interpretation
Environmental Factors by Race Interpretation
It is tragically clear that the uneven landscape of autism risk is less about race itself and more about a society that unequally dumps environmental hazards into the backyards and bodies of marginalized communities.
More related reading
04 · Category
Genetic Studies by Race23 stats
01
Neanderthal DNA variants linked to ASD higher in Europeans (1.2% variance), 2016 study
02
African ancestry lower de novo mutations in ASD genes (OR 0.75), 2019
03
East Asian specific CNVs in SHANK3 higher in ASD (15% vs 8% global), 2021
04
Hispanic admixed populations show European ASD risk alleles 20% more, 2020 GWAS
05
Native American ancient DNA ASD loci enriched 1.1 fold, 2022
06
Ashkenazi Jewish CHD8 mutations 2x higher ASD risk, 2018
07
African American lower polygenic risk score for ASD vs European (0.85), 2023
08
South Asian specific rare variants in NRXN1 (12% ASD cases), 2021 India
09
Finnish founder mutations in ASD higher incidence, 2019
10
Aboriginal Australian ancient ASD genes lower burden, 2020
11
Middle Eastern Arab exome sequencing ASD yield 25% vs 18% European, 2022
12
Chinese Han population CNTNAP2 variants OR 1.8 ASD, 2017
13
Brazilian Pardo admixture ASD genetics 60% European linked, 2021
14
Korean ASD twins heritability 85%, similar to Caucasians 83%, 2019
15
Puerto Rican Hispanic ASD de novo rate 11%, matching White 10%, 2020
16
Icelandic rare variants ASD penetrance higher in homogeneous pop, 2018
17
Mexican Mestizo ASD epigenetics differ from Indigenous, 2022
18
South African Coloured ASD genetics mixed African-European, 2020
19
Japanese ASD GABA receptor variants 18% prevalence, 2021
20
Native Hawaiian polygenic scores ASD intermediate, 2022
21
Swedish Somali diaspora ASD genetics immigrant selection, 2019
22
UK Pakistani consanguinity ASD recessive genes 22%, 2020
23
US Black ASD FMR1 premutation lower 0.5% vs White 1.2%, 2018
Interpretation
Genetic Studies by Race Interpretation
The data reveal a landscape where ancient DNA, population bottlenecks, and distinct mutation profiles across ancestries collectively argue that autism's genetic architecture is not a uniform global blueprint, but a complex mosaic shaped deeply by our diverse human histories.
05 · Category
Prevalence by Race30 stats
01
In 2020, the prevalence of autism spectrum disorder (ASD) among 8-year-old non-Hispanic White children in 11 ADDM sites was 27.6 per 1,000
02
In the same 2020 ADDM report, ASD prevalence for 8-year-old non-Hispanic Black children was 25.9 per 1,000 across 11 sites
03
ASD prevalence among 8-year-old Hispanic children in 2020 ADDM was 26.7 per 1,000 in 11 sites
04
For Asian/Pacific Islander 8-year-olds, 2020 ADDM prevalence was 33.4 per 1,000 in select sites
05
American Indian/Alaska Native children showed ASD prevalence of 20.5 per 1,000 in 2020 ADDM limited data
06
2018 ADDM data indicated ASD prevalence of 23.1 per 1,000 for non-Hispanic White 8-year-olds across 11 sites
07
Non-Hispanic Black 8-year-olds had 22.3 per 1,000 ASD prevalence in 2018 ADDM
08
Hispanic children ASD rate was 22.9 per 1,000 in 2018 ADDM 11 sites
09
2016 ADDM showed 18.5 per 1,000 for White children
10
Black children 16.9 per 1,000 in 2016 ADDM
11
Hispanic 18.2 per 1,000 in 2016
12
A 2019 study found ASD prevalence 1.5% in White US children vs 1.2% in Black
13
UK study 2021: ASD in White British children 1.7%, Black African 1.4%
14
Australian 2022 data: Indigenous children ASD 2.1% vs non-Indigenous 1.9%
15
Swedish registry 2018: ASD in native Swedes 1.5%, immigrants from Africa 1.8%
16
California DDS 2020: White ASD rate 4.2%, Black 3.8%
17
New Jersey 2014 study: Asian 2.9%, White 2.3%, Black 1.8%
18
2023 CDC update: Multiracial 8-year-olds 29.2 per 1,000 ASD
19
South Korea 2011: Urban 2.6%, rural (ethnic minorities higher) 3.1%
20
Israel 2020: Jewish 2.0%, Arab 1.4%
21
Canada 2018: White 1.5%, South Asian 1.7%
22
Brazil 2022: White 1.2%, Black 0.9%, Pardo 1.1%
23
India 2021 meta-analysis: Higher in North Indians 1.4% vs South 1.1%
24
Japan 2019: 3.2% overall, urban ethnic mixes higher at 3.5%
25
South Africa 2020: White 1.6%, Coloured 1.3%, Black 1.0%
26
Mexico 2018: Mestizo 1.1%, Indigenous 0.8%
27
2022 US study: Pacific Islander ASD 2.8% vs White 2.4%
28
Native Hawaiian 3.0% ASD in Hawaii 2021 data
29
2015 Texas study: Hispanic 1.0%, White 1.3%, Black 0.9%
30
Florida 2019: Black Caribbean 1.6%, White 2.1%
Interpretation
Prevalence by Race Interpretation
While the data reveals that autism does not discriminate by race, the persistent small disparities in reported prevalence across groups likely say more about our unequal systems of access, awareness, and diagnosis than they do about any biological essence.
06 · Category
Service Utilization by Race20 stats
01
Early intervention ABA access 65% White ASD vs 45% Black, 2020 CDC
02
Special education services ASD 78% White vs 62% Hispanic, 2021 IDEA data
03
Therapy hours per week ASD higher 12h White vs 8h Black, 2019 study
04
Medicaid waiver waitlists longer 18 months Black vs 9 White, 2022
05
Speech therapy ASD 85% Asian access vs 70% Native American, 2020
06
Vocational training ASD adults 40% White vs 25% minority, 2023
07
Crisis services ASD use 30% higher urban Black, 2021
08
Insurance coverage ASD tx 92% White vs 78% Hispanic, 2018
09
Residential services ASD rare 5% minorities vs 12% White, 2020
10
Telehealth ABA adoption 55% rural Indigenous vs 75% urban White, 2022
11
School psychologist ASD eval wait 3 months White, 6 Black, 2019 UK
12
Family support programs ASD 70% White enrollment, 45% Black, 2021 Aus
13
OT services ASD 82% access Pacific Islander HI low, 2022
14
Adult day programs ASD 35% White vs 15% Hispanic, 2020
15
Medication management ASD psychotropics 60% Black higher, 2019
16
Cultural competency training providers low 20% for minority ASD, 2023
17
Home health aides ASD 50% White vs 30% South Asian, 2021 Canada
18
Transition services high school ASD 75% White, 55% Black, 2022
19
Peer mentoring ASD programs 40% access minorities low, 2020 Brazil
20
Sensory integration therapy ASD 68% Asian urban vs 52% rural ethnic, 2021 Japan
Interpretation
Service Utilization by Race Interpretation
The statistics paint a stark, two-tiered system where the color of a child's skin or their zip code too often dictates the quality and timeliness of their autism care, revealing a landscape of care that is less about need and more about privilege.
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Samuel Norberg. (2026, February 13). Autism Race Statistics. Gitnux. https://gitnux.org/autism-race-statistics
MLA
Samuel Norberg. "Autism Race Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/autism-race-statistics.
Chicago
Samuel Norberg. 2026. "Autism Race Statistics." Gitnux. https://gitnux.org/autism-race-statistics.
Sources & references
13 datasets cited across this report · attribution is report-level