Is Autism More Common in Boys Than Girls? Here's the Data

Yes. Autism is more commonly diagnosed in boys than girls. Studies show boys are about four times more likely to be diagnosed with autism.


What the Data Shows

According to the CDC’s 2023 report, about 1 in 23 boys is diagnosed with autism, compared to 1 in 90 girls. That’s a 4:1 ratio (CDC).


This doesn’t mean autism is rare in girls—it’s often just harder to detect. Research suggests that autistic girls may mask symptoms better or present differently than boys, leading to underdiagnosis or later diagnosis (TIME).


Real-Life Insight

A North Carolina parent said:
"My daughter didn’t get diagnosed until age 8. Everyone thought she was just shy, but she was really masking her struggles."


Conclusion

So, is autism more common in boys than girls? Diagnoses are higher in boys, but many girls go undiagnosed due to differences in how symptoms appear. Want a clearer picture of your child’s behavior? Call Connect n Care ABA in North Carolina—early insight makes a lasting difference.


FAQs

  • Is autism more common in boys than girls?

    Yes. Boys are about four times more likely to be diagnosed with autism than girls, based on CDC data.

  • Why are fewer girls diagnosed with autism?

    Girls may mask symptoms or show different traits, which makes detection harder.

  • Are autism symptoms different in boys and girls?

    Often, yes. Girls may have stronger social coping skills or quieter repetitive behaviors.

  • Can girls still have autism even if they don’t show typical signs?

    Yes. Many girls present differently and may be misdiagnosed or diagnosed later.

Fayge Orzel • July 18, 2025
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