Rolf Degen Profile picture
Jun 14, 2025 2 tweets 2 min read Read on X
Men have a considerably higher sexual desire than women throughout their lives, with the flame peaking only at the age of 40.
Sexual desire is a fundamental component of human relationships, yet its patterns and predictors vary significantly across demographic groups. Leveraging a uniquely large and representative sample (N = 67,334) from the Estonian Biobank, we examined how gender, age, sexual orientation, relationship status, recent childbirth, number of children, relationship satisfaction, education, and occupation relate to self-reported sexual desire.
Gender emerged as the strongest predictor of sexual desire in this study, with men reporting significantly higher levels of desire than women. The observed effect size exceeds the medium-to-large effect sizes documented in previous meta-analyses. These findings align with longstanding evidence suggesting that men exhibit higher levels of sexual desire. Biological factors, such as testosterone levels, and sociocultural norms that promote greater sexual agency in men, likely contribute to these differences.
A particularly striking finding is just how substantially higher men’s sexual desire is compared to women’s throughout most of life. Even at its peak, women’s sexual desire remains lower than men’s average levels across nearly all ages. It is only after the age of 60 + that men’s declining sexual desire falls below the highest levels ever reported by women.
This pattern suggests that men’s sexual desire is not only higher on average but also far more stable across the lifespan. In contrast, women’s sexual desire is more variable, influenced by reproductive cycles, hormonal fluctuations, and sociocultural factors that shape desire expression across different life stages.
As expected, sexual desire declined with age in both men and women, though the decline was more pronounced in women, particularly after the age of 50. An especially noteworthy finding is that men’s sexual desire peaks around the age of 40, exceeding even early adulthood levels, and only declines to match younger men’s levels by 60+. This pattern is surprising because it does not align with the well-documented trajectory of testosterone decline. The mid-life peak in men suggests that factors beyond biological aging, such as relational dynamics, may play a more significant role than initially anticipated.

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