For many years, autism was considered a condition that primarily affected boys. In fact, much of the early research that shaped our understanding of autism focused almost exclusively on males. As a result, the “classic” signs of autism that clinicians were trained to recognize often reflected how autism presents in boys.
Today, research is starting to tell us a more complete story.
We now know that many autistic girls experience the same core characteristics of autism, but they may express them differently. Because of these differences, girls are often misdiagnosed, diagnosed later or overlooked entirely. Recognizing these differences is essential—not to label girls differently, but to ensure they receive the understanding, support, and opportunities they deserve.
The Hidden Challenge of Masking
One of the most significant differences researchers have identified is something called camouflaging, or masking.
Masking refers to the conscious or unconscious effort to hide autistic traits in order to fit in socially. Many autistic girls learn to observe their peers and imitate social behaviors, even when those behaviors don’t come naturally. They may rehearse conversations before speaking, force themselves to maintain eye contact, copy facial expressions or suppress natural movements such as stimming. To others, they may appear socially successful. But beneath the surface, keeping up this performance can be exhausting.
Research suggests that autistic females are more likely than autistic males to use these masking strategies, which may contribute to delayed diagnosis because their struggles are less visible to teachers, healthcare providers and even family members.
Special Interests May Look Different
Restricted or highly focused interests are a well-known characteristic of autism. However, the interests themselves often look different in girls. While some autistic boys develop intense interests in topics such as transportation, electronics or numbers, many autistic girls become deeply invested in animals, books, music, art, fictional characters, nature, psychology or social justice.
The important difference isn’t the topic—it’s the intensity.
A girl may spend countless hours researching horses, memorizing every detail about a favorite author or immersing herself in a fictional world. Because these interests often appear more socially typical, adults may not recognize them as part of the autistic experience.
Social Differences Can Be Easy to Miss
A common misconception is that autistic children prefer to be alone. While this may be true for some individuals, many autistic girls genuinely want friendships and meaningful social connections.
Instead of avoiding peers, they may quietly observe them, imitate their behavior or rely on one close friend to help navigate social situations. They often learn social “rules” by watching others rather than intuitively understanding them.
From the outside, these girls may seem to fit in well. Internally, however, they may feel confused by social expectations, anxious about making mistakes or emotionally drained after interacting with others. Because they appear to have friends or participate socially, they may be labeled as simply shy or awkward. Or, often, challenges can easily go unnoticed.
Internal Struggles Often Replace External Behaviors
Another important difference is how difficulties may present emotionally.
Some autistic boys display behaviors that draw immediate attention, such as hyperactivity or more outward expressions of distress. Many autistic girls, however, tend to internalize their challenges.
Instead of disruptive behavior, they may experience:
- Anxiety
- Depression
- Perfectionism
- Low self-esteem
- Emotional exhaustion
- Chronic stress
As a result, girls are sometimes treated for anxiety or other mental health concerns without anyone recognizing that autism may be an underlying factor contributing to those experiences.
Why Are Girls Often Diagnosed Later?
The Centers for Disease Control and Prevention (CDC) reports that autism is identified much more frequently in boys than girls. While biological differences may play a role, researchers increasingly recognize that differences in recognition and diagnosis also contribute to this gap.
Because many girls camouflage their autistic traits, maintain friendships or have interests that appear typical, they may not fit the traditional image of autism that many professionals were taught to recognize.
Some girls are not diagnosed until adolescence—or even (sometimes late) adulthood—after years of wondering why everyday social situations feel so difficult or exhausting.
Earlier recognition can make a meaningful difference by helping children access appropriate supports, build confidence and better understand themselves.
Every Girl Deserves to Be Seen
Every autistic child is unique. Just as not every boy will experience autism in the same way, neither will every girl. However, understanding the ways autism can present differently in girls helps parents, educators, healthcare professionals and other service providers recognize children who might otherwise be overlooked.
When girls are seen for who they truly are—not just how well they hide their struggles—they are better positioned to thrive.
A Place Where Girls Can Be Themselves
Many autistic girls spend much of their day trying to fit into a world that wasn’t designed with their needs in mind. Constantly masking, second-guessing social interactions and working to meet others’ expectations can be emotionally exhausting. That’s why spaces created specifically for autistic girls matter.
Our Girls With Voices (GWV) program provides a welcoming environment where girls can build authentic friendships, strengthen communication skills, grow in confidence and celebrate who they are without feeling pressured to hide their differences.
Every year, as part of our efforts to amplify the voices of our autistic girls, we host our Green Tea Party–a girls-only event complete with a fashion show, a talent show and awards. Mark your calendars for August 8th, and save your spot on our website.
When girls are given the opportunity to connect with others who understand their experiences, they often discover something powerful: they don’t have to pretend to belong. They already do.
References
Centers for Disease Control and Prevention. (2025). Autism Spectrum Disorder: Data & Statistics. https://www.cdc.gov/autism/data-research/
Costa, A. P., et al. (2024). Is There a Bias Towards Males in the Diagnosis of Autism? A Systematic Review and Meta-analysis. Autism Research.
Milner, V., et al. (2024). Does Camouflaging Predict Age at Autism Diagnosis? Autism Research.
Cammuso, M., & Knapp-Ines, K. (2024). Autism in Girls: Camouflaging, Social Functioning, and Diagnostic Dilemmas.
Narrative Review: Diagnostic Challenges of Autism Spectrum Disorder in Women Without Intellectual or Language Impairments. (2024).
