Sociosexual Attitudes and Behaviour: A Population-Based Analysis Across Sex and Sexual Orientation in Finland

Abstract

Understanding sociosexuality, the willingness to engage in uncommitted sexual relationships, provides valuable insights into human relationship dynamics. This study investigates sociosexual attitudes and behaviour across sexual orientation and sex, utilizing a large, population-based sample from Finland. Results reveal significant sex differences in sociosexuality, with men exhibiting less restricted attitudes and behaviours compared to women, consistent with evolutionary theories. However, contrary to expectations, men with same-sex interests or activities demonstrate less restricted sociosexuality than strictly heterosexual counterparts. Similar patterns are observed among women with same-sex interests, suggesting nuanced influences of sexual orientation on sociosexuality. These findings highlight the complexity of sociosexual dynamics and underscore the need for further exploration into the underlying mechanisms shaping human sexuality.