Autism in Black and Brown Communities: Why Diagnosis Disparities Exist
This post on Autism Diagnosis Disparities is written by Omnia Faek
Key Insights
- Understand the Diagnosis Gap – White males have the highest prevalence of autism diagnosis and the greatest likelihood of early diagnosis, while Black and brown individuals are often diagnosed later, misdiagnosed with other psychiatric disorders, or go undiagnosed until adulthood—despite parents reporting concerns at similar ages across groups.
- Recognize the Research Foundation Problem – Diagnostic measures still used today were built primarily from research samples lacking racial and gender diversity, meaning the criteria don’t fully reflect how autism presents in Black and brown individuals.
- Notice What’s Missing From Current Tools – Diagnostic measures have adapted to assess different verbal and intellectual abilities and ages, but they still don’t account for cultural or environmental factors that can shape how autism characteristics show up.
- Distinguish Prevalence From Reality – Higher diagnosis rates in white males don’t mean autism occurs more often in that group—research shows the opposite—it means they’re more likely to receive an accurate, timely diagnosis.
- Understand Why Timely Diagnosis Matters – Delayed or missed diagnosis can mean a child receives no support, receives the wrong kind of support, or doesn’t understand why they experience things differently—consequences tied to broader, systemic disparities in healthcare for Black and brown communities.
The prevalence of autism diagnosis has been rising in recent years, credit is due to the continuing research, improvement in diagnostic measures, and access to diagnostic assessments. However, race and gender seems to still impact the prevalence in diagnosis rates. White males seem to have the highest prevalence of autism and the highest likelihood of getting early diagnosis. On the other hand, black and brown individuals in addition to females are usually diagnosed later, misdiagnosed with other psychiatric disorders, or go undiagnosed until adulthood. This disparity occurs despite equal reporting of concerns by parents, which is occurring around the same age for their children. This does not mean white boys have a higher likelihood of developing autism, research has shown the opposite, but it means that they are more likely to receive the correct early diagnosis according to the prevalence rates.
Why is this happening?
The answer to why there are disparities today in autism diagnosis based on race and gender goes back to the foundational stage of autism research. Autism research from many years ago and that is still used today to build diagnostic assessments were mainly based on white males. Many of the foundational research studies lack the diversity in sampling. Therefore, black and brown individuals face challenges getting the correct diagnosis because their autism characteristics do not match the autism characteristics the measures were built for. Up until today, the literature lacks the cultural and gender diversity in samples, impacting so much beyond research studies.
Cultural differences were not taken into account when developing diagnostic measures, meaning cultural differences are sometimes hindering individuals from receiving the correct diagnosis. Current diagnostic measures do not provide clinicians with the tools to take into account environmental factors, cultural factors, gender, and many other variables that can impact autism characteristics. Current diagnostic measures for autism have adapted to be able to accurately diagnose autism for various verbal abilities, intellectual abilities, and ages. However, racial disparities are still relevant in diagnostics relevance.
Why does this matter?
The disparities in autism diagnosis matters because like any other diagnosis, diagnosis means understanding, and proper support. No diagnosis or delayed diagnosis could mean the child is not receiving any support at all that could help them succeed, receiving the wrong fit of support for their needs, and most importantly, they are not understanding why some things are different for them.
Another reason for the focus on this issue is the overall disparities in health care and health outcomes for black and brown individuals in the United States. This is an issue that is connected to systemic racism and disparities and goes beyond autism diagnosis. However, the solution which is to include diverse samples in research, is applicable to both autism diagnosis and health outcomes in general for black and brown individuals. The inclusion of diverse samples in research can help develop diagnostic measures that equally represent autistic characteristics of different racial groups, therefore, leading to early and accurate diagnosis and support.
In Summary
Autism diagnosis isn’t equally accessible across all communities. White males remain the most likely to receive an early, accurate diagnosis, while Black and brown individuals often face delays, misdiagnosis, or go unrecognized until adulthood. This gap traces back to diagnostic measures built on research samples that lacked racial and cultural diversity from the start. Closing this gap requires more inclusive research so diagnostic tools can accurately reflect how autism presents across different populations, leading to earlier support for the individuals who need it.
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References
Diemer, M. C., Gerstein, E. D., & Regester, A. (2022). Autism presentation in female and Black populations: Examining the roles of identity, theory, and systemic inequalities. Autism, 26(8), 1931-1946.
Jones, D. R., & Mandell, D. S. (2020). To address racial disparities in autism research, we must think globally, act locally. Autism, 24(7), 1587-1589.
Malone KM, Pearson JN, Palazzo KN, Manns LD, Rivera AQ, Mason Martin DL (2022). The Scholarly Neglect of Black Autistic Adults in Autism Research. Autism in Adulthood, 4(4):271-280. doi:10.1089/aut.2021.0086