In the past decade, researchers have begun to study the sexual functioning of typical older persons. This review summarizes literature on the sexuality of men and women over age 50 as researched by social and health scientists. Research on the relationship of biological factors (changes accompanying aging), health (physical, mental, and medication use), psychological factors (attitudes, information about sex), relationship factors (status, satisfaction), and sexual functioning (desire, dysfunctions, treatment) to sexual behavior is reviewed. The review suggests that (a) men and women remain sexually active into their 70s and 80s, (b) aging-related physical changes do not necessarily lead to decline in sexual functioning, and (c) good physical and mental health, positive attitudes toward sex in later life, and access to a healthy partner are associated with continued sexual activity. In turn, regular sexual expression is associated with good physical and mental health. Progress in understanding later life sexuality requires development of comprehensive theoretical models, a broad focus on intimacy, attention to measures and samples, and research on couples. Progress in understanding is especially important, given the aging of populations.

The has been relatively little research on sexuality in later life, particularly among persons over 60 years of age. The existing literature consists of studies of small samples, much of it from a biomedical perspective. This literature suggests that age, hormone levels, specific illnesses, and various medications negatively affect sexual functioning in older persons. The study reports results from a survey of a large sample (N=1,384) of persons age 45 and older that included measures of a variety of biological, psychological and social factors that potentially influence sexual functioning. We report bivariate and multivariate analysis conducted separately for women and men. We find that the principal influences on strength of sexual desire among women are age, the importance of sex to the person, and education. In this sample of the population of older persons, attitudes are more significant influences on sexual desire than biomedical factors.

Explanations of error in survey self-reports have focused on social desirability: that respondents answer questions about normative behavior to appear prosocial to interviewers. However, this paradigm fails to explain why bias occurs even in self-administered modes like mail and web surveys. We offer an alternative explanation rooted in identity theory that focuses on measurement directiveness as a cause of bias. After completing questions about physical exercise on a web survey, respondents completed a text message–based reporting procedure, sending updates on their major activities for five days. Random assignment was then made to one of two conditions: instructions mentioned the focus of the study, physical exercise, or not. Survey responses, text updates, and records from recreation facilities were compared. Direct measures generated bias—overreporting in survey measures and reactivity in the directive text condition—but the nondirective text condition generated unbiased measures. Findings are discussed in terms of identity.

Objectives: This research tests the influences of age, biological, and psychosocial factors on sexual expression in later life. Method: The American Association of Retired Persons Modern Maturity Sexuality Survey collected data on diagnosed illnesses, treated illnesses, sexual desire, sexual attitudes, partner circumstances, and sexual behavior from 1,384 persons ages 45 and older. Ordered logistic regression models estimate the associations of age, biological, and psychosocial factors with the frequency of five sexual behaviors. Results: Diagnosed illnesses and treatments are generally unrelated to frequency of sexual activity. Sexual attitudes are related to frequency of partnered behavior and sexual desire is related to frequency of masturbation among both women and men. Satisfaction with the physical relationship with a partner is strongly related to behavior. Age remains significant after all other factors are controlled. Discussion: The authors conclude that the nature of sexual expression in later life reflects the interplay of body, mind, and social context.

Empirical research by scholars from several disciplines provides the basis for an outline of the process of sexual development. The process of achieving sexual maturity begins at conception and ends at death. It is influenced by biological maturation/aging, by progression through the socially-defined stages of childhood, adolescence, adulthood, and later life, and by the person s relationships with others, including family members, intimate partners, and friends. These forces shape the person's gender and sexual identities, sexual attitudes and sexual behavior. Adults display their sexuality in a variety of lifestyles, with heterosexual marriage being the most common. This diversity contributes to the vitality of society. Although changes in sexual functioning in later life are common, sexual interest and desire may continue until death.

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Results provide evidence for gendered experiences in the sexual life course.