The vast majority of sexual perpetrators are male. According to multiple sources:

• Nearly 99% of perpetrators of rape and sexual assault are male, based on U.S. Department of Justice statistics cited by Cal Poly Humboldt

• The U.S. Sentencing Commission reported that 92.1% to 93.6% of sexual abuse offenders were men in fiscal years 2018 and 2021, respectively

• The Australian Bureau of Statistics found that 97% of sexual assault offenders were male over the decade leading up to 2020

• International data on child sexual abuse indicate that about 75% to 90% of sexual abuse is committed by males or male adolescents

These figures consistently show that males constitute approximately 90% or more of sexual perpetrators, with some data indicating rates as high as 97-99%. This pattern holds across different types of sexual violence and geographic regions. In summary, around 90% to 99% of sexual perpetrators are male, depending on the specific context and dataset. The most frequently cited figure in U.S. data is about 99% male perpetrators for rape and sexual assault