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In both 2021 and 2024, for undergraduates, the majority of assaults occurred in the fall semester:�� ��

• Undergraduate women: 66% (2021); 56% (2024)
• Undergraduate men: 64% (2021); 61% (2024)

In both administrations of the survey, the second highest period of risk was the fall semester of students’ second year at �鶹��Ѱ�����Boulder.��

In 2024, most undergraduate participants—both men and women—reported experiencing only one incident of sexual assault. This represents an increase in the proportion reporting a single incident compared to 2021.

Among graduate students, however, the trend was reversed: a greater proportion of both men and women reported experiencing multiple incidents in 2024 than in 2021.

In 2024, undergraduate women were less likely to report being penetrated during the assault and less likely to indicate that the offender used their incapacitation as a tactic. In contrast, undergraduate men were more likely than in 2021 to report experiencing both penetration and incapacitation tactics.

Among graduate women, reports of penetration decreased compared to 2021, while reports of being made to perform sexual acts increased. There was also a rise in the proportion who reported that the offender used physical threats and/or incapacitation to facilitate the assault.

Also in 2024, undergraduates (both men and women) and graduate women were less likely to indicate that the assault involved being only intentionally touched on a private body part, compared to 2021. This change likely reflects the addition of two new categories of assaultive behaviors in the 2024 survey: (1) attempted penetration, and (2) attempted oral sex (either performed on the participant or an attempt to make the participant perform it).

In 2021, when these “attempted” behaviors were not listed as separate response options, some participants may have selected “intentionally touched only” as the best available description of a non-consensual sexual incident that did not involve completed penetration or being made to perform or submit to oral sex.

In 2024, the most common assault locations for undergraduates were:

• Their own on-campus residence
• Someone else’s off-campus residence
• A Greek chapter house or annex

The assault rates at a Greek chapter house decreased from 2021:

• Women: 30% to 18%
• Men: 15% to 11%

For graduate students, the most commonly reported locations were a Boulder bar, club, or restaurant, as well as other locations elsewhere in Colorado.

For heterosexual and LGBTQ+ students, the gender of the sexual assault offender was:

• Heterosexual undergraduates
  • Women: Most reported male offenders in both 2021 (98%) and 2024 (98%)
  • Men: Most reported female offenders in both 2021 (78%) and 2024 (80%)
• LGBTQ+ undergraduates
  • Women: Most reported male offenders in both 2021 (95%) and 2024 (89%)
  • Men: Most reported male offenders in both 2021 (48%) and 2024 (68%)

As in 2021, the majority of participants knew the offender:

• Undergraduate women: 54% in 2021; 56% in 2024
• Undergraduate men: 51% in 2021; 56% in 2024
• Graduate women: 71% in 2021; 78% in 2024

In 2024, undergraduate participants most often identified a friend as the offender. Compared to 2021, more assaults involved a casual dating partner or hookup, among both undergraduate men and women.

Among graduate women, a friend was also the most commonly identified offender, though another graduate student was frequently reported as well. Given the small, interconnected nature of many graduate programs, an assault by another graduate student may increase the likelihood of ongoing contact and result in heightened emotional, academic, and career-related consequences.

Roughly one-third of undergraduates in both 2021 and 2024 identified the offender as either a stranger (someone they had never seen or met before) or someone they had just met at an event, activity, or party.

Note: Participants could self-identify their gender and sexual orientation using a wide range of identities, including (but not limited to) Agender, Aromantic, Asexual, Bisexual, Gay, Gender fluid, Gender non-conforming, Intersex, Lesbian, Man, Non-binary, Pansexual, Queer, Questioning, Straight, Trans, Two-Spirit, and Woman. They could also opt not to respond or indicate that their identity was not listed. While this summary presents findings by broader groups (Heterosexual and LGBTQ+), future analyses will disaggregate the data to better reflect the diversity of students’ identities and experiences.
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Data from the 2021 survey showed that disclosing the assault to someone was associated with fewer negative consequences for some students. The substantial increase (20% or more) in disclosure rates from 2015 to 2021 held steady in 2024.

2024 disclosure rates:

• Slight decrease for undergraduate and graduate women (-3%)
• Increase for undergraduate men (+4%) and graduate men (+13%)

The person most commonly told was a roommate or friend for undergraduate men and women, and graduate women. Graduate men more often disclosed to a spouse or romantic partner. The majority of participants said the person they told was supportive.

Rates of seeking support from the Office of Victim Assistance (OVA) or reporting to the Office of Institutional Equity and Compliance (OIEC) or �鶹��Ѱ�����Police Department (CUPD) remained nearly unchanged for undergraduate women from 2021 to 2024. Most graduate women and the vast majority of undergraduate and graduate men did not seek confidential resources or report to OIEC or CUPD.

The majority of participants who experienced sexual assault during their time at �鶹��Ѱ�����reported one or more negative consequences. The most commonly reported impacts were:

Undergraduate women

• Affected your mental health (76%)
• Affected your intimate relationships (66%)
• Affected how you felt about your body (66%)
• Eroded confidence in your abilities (52%)

Undergraduate men

• Affected your mental health (59%)
• Affected your intimate relationships (49%)
• Affected how you feel about your body (42%)

Graduate women

• Affected your mental health (89%)
• Affected you intimate relationships (76%)
• Affected how you feel about your body (75%)
• Eroded confidence in your abilities (58%)

Graduate men

• Affected your mental health (57%)
• Affected your social relationships (43%)