Is autism more common in boys than girls? Autism is indeed more common in boys than girls. Research consistently shows boys are diagnosed with autism about 4 times more often than girls. According to Drake Institute, about 1 in 27 boys versus 1 in 116 girls in the U.S. have an autism spectrum disorder (ASD) diagnosis.
Why this difference? Scientists believe multiple factors contribute. Boys may have a higher genetic vulnerability to autism, according to recent studies showing an 87% heritability in boys compared to 76% in girls. Girls are also more likely to “mask” their symptoms, making diagnosis harder, which may explain parts of the gap.
The male-to-female ratio varies in studies, ranging approximately from 3:1 to 4:1, and some newer research suggests it might be closer to 3:1 when accounting for diagnostic biases.
Conclusion
Knowing that autism is more common in boys helps guide early screening and supports targeted therapies. For personalized assessment and expert ABA therapy in Colorado and Utah, contact Little Champs ABA to learn how to best support your child’s progress.
FAQ
Is autism more common in boys than girls?
Yes, boys are about 4 times more likely to be diagnosed with autism than girls.
Why are boys diagnosed with autism more often?
Boys may have greater genetic vulnerability, and girls often show subtler symptoms, making diagnosis harder.
What is the male-to-female ratio in autism?
Estimates range between 3:1 and 4:1, with newer research suggesting closer to 3:1 when accounting for diagnostic challenges.
Can girls with autism be missed in diagnosis?
Yes, girls may mask symptoms or present differently, leading to underdiagnosis.