{ "id": "epbsg1g144", "slug": "sex-life", "title": "Sex life", "updated": "2026-10-25", "topic_path": [ { "id": "society", "label": "Society and history", "api_url": "https://www.edgepedia.org/api/v1/topics/society" }, { "id": "society.people", "label": "Social life and human behavior", "api_url": "https://www.edgepedia.org/api/v1/topics/society.people" }, { "id": "society.people.relationships", "label": "Relationships and social issues", "api_url": "https://www.edgepedia.org/api/v1/topics/society.people.relationships" } ], "geo": [ { "id": "geo.nongeo.nodate.society.people.relationships", "label": "Non-geographic · Not dated: Relationships and social issues", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.nodate.society.people.relationships", "path": [ { "id": "geo.nongeo", "label": "Non-geographic", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo" }, { "id": "geo.nongeo.nodate", "label": "Non-geographic · Not dated", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.nodate" }, { "id": "geo.nongeo.nodate.society", "label": "Society and history", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.nodate.society" }, { "id": "geo.nongeo.nodate.society.people", "label": "Social life and human behavior", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.nodate.society.people" }, { "id": "geo.nongeo.nodate.society.people.relationships", "label": "Relationships and social issues", "api_url": "https://www.edgepedia.org/api/v1/geo/geo.nongeo.nodate.society.people.relationships" } ] } ], "excerpt": "Sex life: the pattern of sexual activity, desire, and intimate expression in a person's life, also called sexuality and sexual health; defined by the WHO as well-being in relation to sexuality, studied across history, cohorts, and the lifespan.", "snippet": "Sex life: the pattern of sexual activity, desire, and intimate expression in a person's life, also called sexuality and sexual health; defined by the WHO as well-being in relation to sexuality, studied across history, cohorts, and the lifespan.", "node": "society.people.relationships", "markdown": "# Sex life\n\nA sex life is the pattern of sexual activity, desire, and intimate expression in a person's life, considered together with the attitudes, relationships, and health conditions that shape it. In public health the subject is treated under the related concepts of sexuality, sexual health, and sexual wellbeing, definitions of which were consolidated by the World Health Organization (WHO) in the 2000s and have since guided research, education, and clinical care.[1](https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health)\n\n| Key fact | Detail |\n|---|---|\n| WHO definition of sexual health | \"A state of physical, emotional, mental and social well-being in relation to sexuality; it is not merely the absence of disease, dysfunction or infirmity\" (WHO, 2006a)[1](https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health) |\n| Definition history | WHO expert consultations began in 2002; working definitions of sexual health, sex, sexuality, and sexual rights were published in 2006, with sexual rights updated in 2010 and an operational framework added in 2017[1](https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health) |\n| Sexual wellbeing domains | A widely used model defines seven domains: sexual safety and security, sexual respect, sexual self-esteem, resilience in relation to past experiences, forgiveness of past sexual events, self-determination in one's sex life, and comfort with one's sexuality[2](https://pmc.ncbi.nlm.nih.gov/articles/PMC7616985/) |\n| Cohort change in China | The 2020 Chinese Private Life Survey found more liberal attitudes, earlier sexual debut, and more diverse activities, but lower sexual frequency among younger cohorts and a reversed educational gradient among those born after 1980[3](https://journals.sagepub.com/doi/10.1177/2057150X221114599) |\n| Sex in later life | In a University of Michigan poll of about 1,000 US adults aged 65 to 80, 40% were sexually active and 73% were satisfied with their sex lives[4](https://time.com/5264372/seniors-sex-poll/) |\n| Education evidence | High-quality comprehensive sexuality education can delay sexual initiation, reduce sexual risk-taking, and increase contraceptive use, while abstinence-only programs are ineffective[5](https://www.who.int/news-room/fact-sheets/detail/comprehensive-sexuality-education) |\n| Measurement | In a 2025 systematic review of 27 patient-reported measures, the International Index of Erectile Function (IIEF) and the Female Sexual Function Index (FSFI) received Grade A recommendations[6](https://pmc.ncbi.nlm.nih.gov/articles/PMC13224438/) |\n\n## Definitions and the WHO framework\n\nThe WHO distinguishes three linked terms. Sex, in technical use, refers to the biological characteristics that differentiate humans as female or male, although in everyday language it often means sexual activity. Sexuality is defined as a central aspect of being human throughout life, encompassing sex, gender identities and roles, sexual orientation, eroticism, pleasure, intimacy, and reproduction, and shaped by biological, psychological, social, economic, political, cultural, legal, historical, religious, and spiritual factors. [Sexual health](https://www.edgepedia.org/sexual-health), in turn, requires a positive and respectful approach to sexuality and sexual relationships and the possibility of pleasurable and safe sexual experiences free of coercion, discrimination, and violence.[1](https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health)\n\nThe framework is explicitly rights-based. The WHO lists rights critical to sexual health, including equality and non-discrimination, privacy, the highest attainable standard of health, marriage with free and full consent, the right to decide the number and spacing of one's children, and access to information and education.[7](https://www.who.int/health-topics/sexual-health) Its key conceptual elements state that sexual health is relevant across the whole lifespan, not only the reproductive years, and is critically influenced by gender norms, roles, expectations, and power dynamics.[1](https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health) WHO engagement in the area dates to at least 1974, when an expert committee produced the technical report *Education and Treatment in Human Sexuality* (published 1975).[7](https://www.who.int/health-topics/sexual-health)\n\n## Sexual wellbeing\n\n**From risk to wellbeing.** Although the WHO definition acknowledges positive sexuality, public health practice has remained focused on risk and adverse outcomes such as sexually transmitted infections, unintended pregnancy, and sexual violence; sexual wellbeing is seldom included in monitoring and is rarely set as an intended outcome of interventions.[8](https://www.sciencedirect.com/science/article/pii/S2468266721000992) • [9](https://doi.org/10.1136/bmjsrh-2025-203200) To address this, researchers operationalized sexual wellbeing as a construct distinct from sexual health, sexual satisfaction, sexual pleasure, and sexual function, applicable whether or not a person is sexually active or partnered.[2](https://pmc.ncbi.nlm.nih.gov/articles/PMC7616985/) A later modified Delphi study commissioned by the [Scottish Government](https://www.edgepedia.org/scottish-government) produced a consensus definition and a framework of seven domains, including Sexual Rights & Respect, Sexual Safety, Sexual Autonomy, and Resources in One's Sex Life.[9](https://doi.org/10.1136/bmjsrh-2025-203200)\n\nThe practical significance is measurable. Sexual satisfaction is strongly associated with overall life satisfaction, and positive sexual experiences are consistently linked with improved sexual, mental, and physical health, though causal pathways remain unclear.[9](https://doi.org/10.1136/bmjsrh-2025-203200) A systematic review and meta-analysis found that sexual satisfaction, orgasms, and sexual desire showed unique links to greater physical health, stronger well-being, lower personal distress, and happier relationships.[10](https://pmc.ncbi.nlm.nih.gov/articles/PMC12730087/)\n\n## Social and historical variation\n\nSexual conduct is embedded in social institutions and changes with them. A sociohistorical review of sexuality and conjugality describes a reversal of the traditional dependency of sexuality on marriage over recent centuries, and treats the conjugal sex life as an observation point for how gender relations mold everyday sexual conduct.[11](https://pubmed.ncbi.nlm.nih.gov/12666735/) In late medieval London, marriage was one of the seven sacraments of the [Catholic Church](https://www.edgepedia.org/catholic-church) and simultaneously the fundamental domestic, social, political, and economic unit of society.[12](https://www.jstor.org/stable/j.ctt3fj1mn) In the United States, the median age at first marriage has risen to 29 for men and 27 for women, up from 27 and 25 in 1999, and married people have more sex than single people of the same age.[13](https://time.com/5297145/is-sex-dead/)\n\nChina illustrates how state policy reshapes private life. In traditional Chinese society universal marriage guaranteed access to sexual activity, whereas an imbalanced sex ratio and poverty now limit access among older bachelors.[3](https://journals.sagepub.com/doi/10.1177/2057150X221114599) The 1950 [Marriage Law of the People's Republic of China](https://www.edgepedia.org/marriage-law-of-the-peoples-republic-of-china) enforced monogamy, abolished arranged marriage, and granted women the right to initiate divorce; from the 1950s the work unit (danwei) regulated premarital and extramarital sex, and repression culminated during 1966 to 1976, when expressions of love and intimacy were deemed unethical.[3](https://journals.sagepub.com/doi/10.1177/2057150X221114599) The 2020 Chinese Private Life Survey found that sexual attitudes have become more liberal, with an earlier sex debut and more diverse activities, but that young cohorts report lower sexual frequency than preceding cohorts; among those born after 1980 the lower educated are more sexually active, a reversal of the gradient among earlier birth cohorts, and men report higher sexual well-being than women.[3](https://journals.sagepub.com/doi/10.1177/2057150X221114599)\n\n## Scientific study\n\nEmpirical sex research developed through a series of landmark studies. The pioneers of sexuality research, including Freud, Havelock Ellis, and [Alfred Kinsey](https://www.edgepedia.org/alfred-kinsey), were initially vilified; [Masters and Johnson](https://www.edgepedia.org/masters-and-johnson)'s *Human Sexual Response* (1966) gave a meticulous physiological description of the changes in the male and female body during sex.[14](https://time.com/2976273/masters-of-sex-time-cover/) Kinsey's *Sexual Behavior in the Human Female* (1953) reported that 62 percent of American women had masturbated, a finding that marked the start of a period of relative sexual openness in the West.[15](https://www.theatlantic.com/health/archive/2021/04/weaponization-female-orgasm/618680/)\n\nMeasurement remains difficult because sexual health varies greatly between individuals and depends on subjective experience. A 2025 systematic review following the COSMIN 2.0 guidelines identified 27 patient-reported outcome measures published between 1997 and 2025 from 22 countries, and found that the IIEF and FSFI had the most rigorous development and validation evidence, receiving Grade A recommendations; the review also documented widespread gaps in content validity and responsiveness evidence across the field.[6](https://pmc.ncbi.nlm.nih.gov/articles/PMC13224438/) For population surveys, the Natsal Sexual Wellbeing Measure (Natsal-SW) was developed from qualitative interviews and validated for monitoring sexual wellbeing as a distinct population-health issue.[16](https://pubmed.ncbi.nlm.nih.gov/38127808/)\n\n## Education and public health\n\nCSE seeks to build knowledge and dispel misunderstandings by giving youth material suited to their age, grounded in science, and fitting their culture, covering the body, health, relationships, and rights. Evidence reviewed by the WHO indicates that high-quality, well-implemented CSE can delay sexual initiation and reduce sexual risk-taking while increasing contraceptive use, whereas abstinence-only programs are ineffective in preventing early sexual activity and risk-taking and are potentially harmful.[5](https://www.who.int/news-room/fact-sheets/detail/comprehensive-sexuality-education) UN technical guidance recommends that CSE be curriculum-based, scientifically accurate, age-tailored, and comprehensive, covering families and relationships, consent and bodily autonomy, puberty, contraception and pregnancy, and sexually transmitted infections including HIV.[17](https://www.who.int/en/news-room/questions-and-answers/item/comprehensive-sexuality-education)\n\n## Across the lifespan\n\nSexual health is relevant from adolescence to old age. In the National Poll on Healthy Aging, researchers at the University of Michigan surveyed about 1,000 US adults aged 65 to 80: 40% were having sex, with activity declining from 46% of those aged 65 to 70 to 25% of those aged 76 to 80, yet 73% reported satisfaction with their sex lives, and 76% said sex is an important part of a romantic relationship at any age.[4](https://time.com/5264372/seniors-sex-poll/) Only 17% had discussed sexual health with a medical provider in the previous two years.[4](https://time.com/5264372/seniors-sex-poll/)\n\nNormal aging brings physical changes that can interfere with sexual activity, and health conditions and medications, including some blood pressure medicines, antidepressants, and sedatives, can cause problems; hormone therapy for menopausal symptoms may increase sexual interest and drive.[18](https://www.nia.nih.gov/health/sexuality/sexuality-and-intimacy-older-adults) A scoping review of partnered adults and couples over 60 found that adults remain sexually active into their 70s and 80s, that aging-related physical changes do not inevitably lead to altered sexual functioning, and that protective factors for long-term sexual activity include good physical and mental health, positive attitudes toward sex in later life, and access to a healthy partner.[19](https://academic.oup.com/smr/article/12/4/611/7686406) In institutional settings the subject is often avoided: many nursing homes have no policy on residents' sex at all, and by 2030 nearly 20% of the US population will be 65 or older, according to [Pew Research Center](https://www.edgepedia.org/pew-research-center).[20](https://time.com/3833358/nursing-home-sex/)\n\n## References\n\n1. [Defining sexual health, World Health Organization](https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health)\n2. [What is sexual wellbeing and why does it matter for public health? (PMC full text), The Lancet Public Health](https://pmc.ncbi.nlm.nih.gov/articles/PMC7616985/)\n3. [Yu, J., Luo, W., Xie, Y. (2022). Sexuality in China: A review and new findings](https://journals.sagepub.com/doi/10.1177/2057150X221114599)\n4. [American Seniors Have Active Sex Lives, According to a New Poll, TIME](https://time.com/5264372/seniors-sex-poll/)\n5. [Comprehensive sexuality education (fact sheet), World Health Organization](https://www.who.int/news-room/fact-sheets/detail/comprehensive-sexuality-education)\n6. [Measurement properties of patient-reported outcome measures for sexual health in the general population: a systematic review following the COSMIN 2.0 guidelines](https://pmc.ncbi.nlm.nih.gov/articles/PMC13224438/)\n7. [Sexual health (health topic), World Health Organization](https://www.who.int/health-topics/sexual-health)\n8. [What is sexual wellbeing and why does it matter for public health?, ScienceDirect](https://www.sciencedirect.com/science/article/pii/S2468266721000992)\n9. [Definition and framework of sexual wellbeing for population health: a modified Delphi study, BMJ Sexual & Reproductive Health](https://doi.org/10.1136/bmjsrh-2025-203200)\n10. [Conceptual Frameworks Linking Sexual Health to Physical, Mental, and Interpersonal Well-Being (systematic review and meta-analysis)](https://pmc.ncbi.nlm.nih.gov/articles/PMC12730087/)\n11. [Sexuality, gender, and the couple: a sociohistorical perspective (abstract)](https://pubmed.ncbi.nlm.nih.gov/12666735/)\n12. [Marriage, Sex, and Civic Culture in Late Medieval London, JSTOR](https://www.jstor.org/stable/j.ctt3fj1mn)\n13. [Why Are We All Having So Little Sex?, TIME](https://time.com/5297145/is-sex-dead/)\n14. [Behavior: Repairing the Conjugal Bed, TIME](https://time.com/2976273/masters-of-sex-time-cover/)\n15. [The Tyranny of the Female-Orgasm Industrial Complex, The Atlantic](https://www.theatlantic.com/health/archive/2021/04/weaponization-female-orgasm/618680/)\n16. [Development and Validation of a Brief Measure of Sexual Wellbeing for Population Surveys: The Natsal Sexual Wellbeing Measure (Natsal-SW)](https://pubmed.ncbi.nlm.nih.gov/38127808/)\n17. [Comprehensive sexuality education (questions and answers), World Health Organization](https://www.who.int/en/news-room/questions-and-answers/item/comprehensive-sexuality-education)\n18. [Sexuality and Intimacy in Older Adults, National Institute on Aging](https://www.nia.nih.gov/health/sexuality/sexuality-and-intimacy-older-adults)\n19. [Sexual well-being among partnered adults and couples over 60: a scoping review, Sexual Medicine Reviews](https://academic.oup.com/smr/article/12/4/611/7686406)\n20. [Why Nursing Homes Need to Have Sex Policies, TIME](https://time.com/3833358/nursing-home-sex/)\n\n---\n*Topic: Encyclopedia › Society and history › Social life and human behavior › Relationships and social issues*\n\n*Initially written Sep 17, 2026 · Reviewed: Sep 17, 2026; Sep 30, 2026; Oct 25, 2026 · Edited: Sep 30, 2026; Oct 25, 2026 · Last review: Oct 25, 2026*\n\n*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*\n\nLicense: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license\n", "same_as": [], "url": "https://www.edgepedia.org/sex-life", "markdown_url": "https://www.edgepedia.org/sex-life.md", "license": { "name": "Edgepedia Community License 1.0", "url": "https://www.edgepedia.org/edgepedia/license", "summary": "Free with credit, commercial use included. AI training is open to everyone. For other uses, organizations over USD 100M in revenue or 100M monthly users license separately.", "spdx": "LicenseRef-Edgepedia-Community-1.0" }, "credit": "\"Sex life\", Edgepedia (EdgeChat), https://www.edgepedia.org/sex-life. Edgepedia Community License 1.0.", "credit_md": "\"[Sex life](https://www.edgepedia.org/sex-life)\", Edgepedia (EdgeChat), [https://www.edgepedia.org/sex-life](https://www.edgepedia.org/sex-life). [Edgepedia Community License 1.0](https://www.edgepedia.org/edgepedia/license).", "credit_html": "\"Sex life\", Edgepedia (EdgeChat), https://www.edgepedia.org/sex-life. Edgepedia Community License 1.0.", "speakable": "Sex life: the pattern of sexual activity, desire, and intimate expression in a person's life, also called sexuality and sexual health; defined by the WHO as well-being in relation to sexuality, studied across history, cohorts, and the lifespan." }