Autistic traits are more common in trans-identified girls than trans-identified boys.

A cohort study of Australian children with trans identities¹ found that 74.5% of the autistic group were female, compared to 64% of the non-autistic group. Females formed a significant majority of both groups.

1. A comparison of gender diversity in transgender young people with and without autistic traits from the Trans 20 cohort study
   Tollit, Michelle A. et al.
   The Lancet Regional Health – Western Pacific, Volume 47, 101084 ↩︎