Non-Binary People's Sexuality, Sexual Health, and Relationship Satisfaction: A Review of 12 Years of Quantitative Research (2012-2024).

Non-binary people frequently report non-monosexual sexual identities such as queer and pansexual.

• The review synthesized 44 articles published between 2012 and 2024.
• Searches were conducted on PsycINFO, Web of Science, and MEDLINE for papers in Italian or English.
• Non-monosexual identities (e.g., queer, pansexual) were among the most commonly reported sexual identities in this population.
• This pattern was identified across the range of quantitative studies included in the synthesis.

Non-binary people report more attraction to and relationships with other non-binary individuals compared to binary gender groups.

• This finding emerged across multiple studies included in the 44-article synthesis.
• The review covered a 12-year period from 2012 to 2024.
• This pattern suggests within-group attraction preferences distinct from those of binary transgender or cisgender populations.
• The review noted this as one of the distinguishing features of non-binary people's sexual and relational experiences.

Non-binary people report similar levels of sexual satisfaction and relationship satisfaction compared to binary transgender people.

• This finding was synthesized across the 44 quantitative studies included in the review.
• The comparison group was binary transgender people (trans men and trans women), not cisgender individuals.
• The review covered sex-related variables including sexual health and relationship satisfaction.
• The authors noted that grouping gender minority individuals together in analyses may obscure within-group differences that could affect this finding.

Research tools and language used in studies were frequently not inclusive or expansive enough to adequately represent non-binary people's experiences.

• 44 articles were appraised for the inclusivity of measures for non-binary identities, focusing on language and terminology.
• Gender minority individuals were often grouped together for analysis, 'hiding likely within group differences.'
• The authors identified that gender-neutral language and measures were not consistently employed across the literature.
• This methodological limitation was identified as a key gap requiring attention in future research.

The number of publications on the sexuality of gender minority individuals, including non-binary people, has grown over the 12-year period reviewed.

• The review covered quantitative research published between 2012 and 2024.
• 44 articles were ultimately included for synthesis from searches across three databases: PsycINFO, Web of Science, and MEDLINE.
• Papers included were in Italian or English.
• The authors describe this growth in research interest as a motivation for conducting a comprehensive systematic review.

Future research should consider non-binary individuals separately from binary transgender people rather than grouping all gender minority individuals together.

• The authors found that combining gender minority groups in analyses obscures 'likely within group differences.'
• The recommendation is to use gender-neutral language and measures.
• The goal stated is to 'better understand their specific sexual health, well-being, and relationship needs and outcomes.'
• This recommendation emerged from the appraisal of measures across all 44 included studies.