Research on aging and sexuality has proliferated in recent years. However, little is known about the gender-specific effects of aging on dating and sexuality. Using survey data from the 2014 wave of Singles in America (SIA), a comprehensive survey on adult singles' experiences with dating and sexuality, we examine whether age differentially affects heterosexual women's and men's dating and sexual attitudes and behaviors and whether gender differences persist across the life course. We find that men remain active in the dating and sexual marketplace longer than women. Although main effects of gender differences are documented in dating and sexual attitudes and behaviors, the results show that gender does not operate the same across the life course. Notably, gender differences shrink or are eliminated in attitudes and behaviors surrounding partnering in midlife and late adulthood, suggesting that age is integral to understanding gendered heterosexuality.

近年来，对衰老和性行为的研究激增。然而，人们对衰老对约会和性行为的性别影响知之甚少。使用 2014 年美国单身潮 (SIA) 的调查数据，这是一项关于成年单身人士约会和性经历的综合调查，我们研究了年龄对异性恋女性和男性的约会和性态度和行为的影响是否存在差异，以及性别差异是否持续存在生命历程。我们发现男性在约会和性交易市场中保持活跃的时间比女性长。尽管在约会和性态度和行为中记录了性别差异的主要影响，但结果表明，性别在整个生命过程中的作用并不相同。尤其，