Multiple sex partners

Multiple sex partners (MSP) is the measure and incidence of engaging in sexual activities with two or more people within a specific time period. Sexual activity with MSP can happen simultaneously or serially. MSP includes sexual activity between people of a different gender or the same gender.

MSP describes the behavior in clinical terms only. A similar term, promiscuity, may imply a moral judgement.[1] The term polyamorous describes a behavior and not a measure of multiple sexual relationships at the same time.[2]

A complete medical history includes a patient's social history and an assessment of the number of sexual partners they have had within a certain time period. Young people having MSP in the past year is an indicator used by the United States Centers for Disease Control and Prevention (CDC) in evaluating risky sexual behavior in adolescents and a tool for monitoring HIV/AIDS infection rates and deaths worldwide.[3]

Definitions and quantification

Epidemiologists and clinicians who quantify risks associated with MSP do so to identify those who have had sexual intercourse with more than one partner in the past 12 months. For the purposes of the World Health Organization (WHO)'s effort to eliminate HIV infection, quantifying measures progress in reducing the percentage of those with AIDS. The World Health Organization (WHO) has described their rationale by assuming that the spread of HIV in most locales depends upon the number of MSP. Those who have MSP possess a higher risk of HIV transmission than individuals that do not have multiple sex partners.[4]

WHO uses indicators, such as MSP, age, mortality, morbidity, geographical location and signs and symptoms of disease. This is done so that change can be measured and so that the effect of indicators can be assessed.[4]

Following the initial quantification of the number of MSP, the respondent is again surveyed three and then five years later. In addition to the survey, respondents' sexual histories are obtained. Analysis assists those conducting the study to verify and help define the term MSP.[4]

For the indicator MSP, WHO has defined a summary of what it measures, rationale for the indicator, numerator, denominator and calculation, recommended measurement tools, measurement, frequency, and the strengths and weaknesses of the indicator.[4]

WHO's definition of MSP has some strengths and weaknesses The quantification is an indicator and a picture of the levels of higher-risk sex in a locale. If those surveyed changed their activity to one sexual partner, the change will be quantified by changes in the indicator. This disadvantage is that though a respondent may reduce the number of MSP in a 12-month period, the indicator will not reflect this change in sexual activity. Even so, decreasing the number of MSP may not indicate a change. Potentially this definition and quantification may have a significant impact on the pandemic of HIV and used as a measure of program success. WHO recommends that additional indicators that quantify MSP more precisely to capture the reduction in multiple sexual partners in general.[4][5]

According to the CDC's Youth Risk Behavior Surveillance System, having multiple sex partners has been quantified to mean that those age 25 or older had four or more sex partners in one year.[6] In 2002, the CDC defined MSP for adolescents as having had four or more sex partners during one's lifetime.[7]

Some clinicians define MSP by also taking into account concurrent sexual relationships.[8]

Body count

Demonstration for International Women's Day, March 8, 2026 in Paris.
Body Count
Noun
MeaningNumber of distinct person with whom one has had sexual intercourse with

Body count is a sexual slang term referring to the total number of people an individual has had sexual intercourse with over their lifetime.[9] The term is frequently used in dating and social media, particularly on TikTok, with studies showing 25% of Americans conceal this number, while 16% understate it.[10][11][12][13][14]

Body count was originally defined literally in a military context, being a count of (dead) bodies resulting from battles. This use was popularised during the Vietnam War. The meaning shifted over time to also refer to the number of people doing an activity. The usage of the term to refer to a number of sexual partners date back at least to 2004, as it was used in a film released that year.[15] The word is used commonly in Namibia, India, the United States and UK.[16][17] According to Google NGram, the phrase gained popularity during the 1960s and reached its peak in 2010.[18][19]

Other examples

Epidemiologists in Tanzania used the indicator MSP in their study of AIDS incidence among 15–19-year-olds by documenting the respondent as being sexually active and having MSP in the last 12 months.[20]

Prevalence

A Durex Global Sex Survey found that men in New Zealand had claimed an average of 44 sex partners over their lifetime.[21]

In a 2019 survey, data showed that the average number of partners varies, with men and women reporting different averages (6.4 for men, 7 for women).[22]

The average "body count" for adults aged 30–44 is approximately 8 for both men and women, with over half (56–58%) having more than five partners. While averages vary by region—around 10–11 in the U.S.. Turkey leads in some reports, with an average of 14.5 to 18.5, followed by Australia (13.3), New Zealand (13.2), and Iceland (13.0). Other countries with high averages include Finland (12.4), Norway (12.1), and Italy/Sweden (11.8).[23][24][25]

An analysis of the National Family Health Survey-5 (NFHS-5) conducted between 2019 and 2021 by the International Institute for Population Sciences, Indian men were found to have the highest mean number of lifetime sexual partners in India.[26]

In Jamaica, a 2004 Behavioral Surveillance Survey demonstrated that 89 percent of males and 78 percent of females aged 15 to 24 had sex with a nonmarital or noncohabitating partner in the preceding 12 months. Fifty-six percent of males and 16 percent of females had multiple sex partners in the preceding 12 months.[27]

According to some unidentified poll results reported by the Steve Harvey Radio Show in January 2026, Gen Z adults (typically defined as those born between 1997 to 2012), who were the youngest group surveyed in the poll, prefer partners with one to two previous partners. Millennials between the ages of 30 and 45 are more flexible and say three to five past partners is fine.[28] Of course the number of sexual partners that a person has had in their lifetime cannot decrease as a person gets older, so lower numbers would naturally be associated with younger people.

MSP is increasing due to shifting social norms, greater sexual liberty, and the rise of hookup culture. Increased opportunities via dating apps, reduced stigma and a greater emphasis on personal exploration.[29]

Health risks

The likelihood of developing substance abuse or dependence increases linearly with the number of sex partners, an effect more pronounced for women. People who have a higher number of sex partners do not have higher rates of anxiety or depression.[30][31]

MSP is statistically associated with an increased risk of contracting sexually transmitted infections including HIV, syphilis, HPV and, in some studies, a higher risk of developing cancer. Key health risks include unprotected exposure, physical injury, and psychological impacts such as anxiety.[32][33]

MSP increases the risk of developing bacterial vaginosis.[34] MSP can result in pregnant women with a greater risk of contracting HIV.[35] HIV is strongly associated with having MSP.[36] Having multiple sex partners is associated with higher incidences of STIs.[37]

Prevention of disease strategies include intensive counseling of those who have met the definition of multiple sex partners.[38]

In Sub-Saharan Africa, travel and wealth is a risk factor in engaging in sexual activities with multiple sex partners.[39]

See also

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References

  1. ^ Markey, Patrick M.; Markey, Charlotte N. (2007-12-01). "The interpersonal meaning of sexual promiscuity". Journal of Research in Personality. 41 (6): 1199–1212. doi:10.1016/j.jrp.2007.02.004. ISSN 0092-6566. Some might view sexual promiscuity as … a moral flaw.
  2. ^ Sheff, Elisabeth (2016). When Someone You Love Is Polyamorous: Understanding Poly People and Relationships. Portland, Oregon: Thorntree Press.
  3. ^ Tsala Dimbuene, Z., Emina, J., & Sankoh, O. (2014). UNAIDS ‘multiple sexual partners’ core indicator: promoting sexual networks to reduce potential biases.Global Health Action, 7. doi:https://dx.doi.org/10.3402/gha.v7.23103 http://www.globalhealthaction.net/index.php/gha/article/view/23103#Abstract
  4. ^ a b c d e Global AIDS Response Progress Reporting 2015 (PDF). World Health Organization and the Joint United Nations Programme on HIV/AIDS (UNAIDS). 2015. p. 33. ISBN 9789241509343. Retrieved 12 January 2016.
  5. ^ Cardona, Amber (2016-12-04). "Sexually transmitted infections at record high". The Brown and White (university newsletter). Retrieved 2016-12-20.
  6. ^ "Schools Teaching Prevention". National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention. 2015-12-09. Archived from the original on 2017-11-26. Retrieved 2017-02-19.
  7. ^ "Trends in Sexual Risk Behaviors Among High School Students". Centers for Disease Control and Prevention. Retrieved 2016-01-11.
  8. ^ "11% of Men Have Multiple Sex Partners". WebMD. Retrieved 2016-01-12.
  9. ^ Dazed (2023-08-30). "Body counts and the insidious normalisation of misogyny". Dazed. Retrieved 2026-03-13.
  10. ^ Fike, Ashley (2025-06-16). "This Is the 'Ideal' Body Count. Is Yours Higher or Lower?". VICE. Retrieved 2026-02-25.
  11. ^ Lee, Bruce Y. "How Many Past Sexual Partners Is Too Many? What A New Study Says". Forbes. Retrieved 2026-02-25.
  12. ^ Travers, Mark. "3 Myths About How 'Body Counts' Affect Your Love Life — By A Psychologist". Forbes. Retrieved 2026-02-25.
  13. ^ Salmin, Dee (2021-11-03). "Body Count: What's the current obsession? And does it even matter?". triple j. Retrieved 2026-02-25.
  14. ^ Curtis, Liam (2020-01-13). "What does body count mean? TikTok's latest trend explained!". HITC. Retrieved 2022-12-27.
  15. ^ "body count". www.merriam-webster.com. Retrieved 2026-03-01.
  16. ^ Namibian, The (2015-08-07). "We're Talking Body Count". The Namibian. Retrieved 2026-02-25.
  17. ^ "Many Indian Women Have More Sexual Partners Than Men, Govt Data Shows". www.theswaddle.com. Retrieved 2026-02-25.
  18. ^ "Google Books Ngram Viewer". books.google.com. Retrieved 2026-02-25.
  19. ^ "'Body count' number that each age group says is 'unacceptable'". LADbible. 2026-01-15. Retrieved 2026-02-25.
  20. ^ Exavery, Amon; Lutambi, Angelina M; Mubyazi, Godfrey M; Kweka, Khadija; Mbaruku, Godfrey; Masanja, Honorati (2011). "Multiple sexual partners and condom use among 10 - 19 year-olds in four districts in Tanzania: What do we learn?". BMC Public Health. 11 (1): 490. doi:10.1186/1471-2458-11-490. ISSN 1471-2458. PMC 3141458. PMID 21696581.
  21. ^ Mien-chieh, Yang (2011-12-02). "Taiwanese males have five sexual partners: survey". Taipei Times. Retrieved 2023-06-23.
  22. ^ Ellefson, Lindsey (2023-08-21). "There's No Such Thing As a 'Normal' Body Count". Lifehacker. Retrieved 2026-02-25.
  23. ^ "Young people contract flu more frequently than adults aged over 30". The Pharmaceutical Journal. 2015. doi:10.1211/pj.2015.20068030. ISSN 2053-6186.
  24. ^ "Average Number of Sexual Partners by Country 2026". World Population Review. 2026-02-18. Retrieved 2026-02-25.
  25. ^ "Number of sexual partners in selected countries 2005". Statista. Retrieved 2026-02-25.
  26. ^ "NFHS-5: One-fifth of women, nearly one-third of men comprehensively know about HIV/AIDS". The Indian Express. 2022-05-10. Retrieved 2026-02-25.
  27. ^ "Health Profile: Jamaica" (PDF). United States Agency for International Development. June 2008. Archived from the original (PDF) on 2008-09-13. Retrieved 2025-08-24. Public Domain This article incorporates text from this source, which is in the public domain.
  28. ^ "Survey Reveals What Body Count Numbers Different Generations Prefer | V103". Steve Harvey Morning Show. Retrieved 2026-02-25.
  29. ^ "How has sex changed in the past 50 years?". The Times of India. 2022-08-04. ISSN 0971-8257. Retrieved 2026-02-26.
  30. ^ Krauss, Susan (20 April 2013). "The Lingering Psychological Effects of Multiple Sex Partners". Psychology Today. Retrieved 2016-01-11.
  31. ^ Teachman, Jay (2003). "Premarital Sex, Premarital Cohabitation, and the Risk of Subsequent Marital Dissolution Among Women". Journal of Marriage and Family. 65 (2): 444–455. doi:10.1111/j.1741-3737.2003.00444.x. ISSN 0022-2445. S2CID 6319486.
  32. ^ MD, Robert H. Shmerling (2020-04-28). "More sexual partners, more cancer?". Harvard Health. Retrieved 2026-02-25.
  33. ^ "Body Count Anxiety: The Psychological Effects Explained". click2pro.com. Retrieved 2026-02-25.
  34. ^ "STD Facts — Bacterial Vaginosis". Centers for Disease Control and Prevention. Retrieved 2016-01-11.
  35. ^ "Special Populations, 2010 STD Treatment Guidelines". Centers for Disease Control and Prevention. Retrieved 2016-01-11.
  36. ^ LeMay, Michael C (2016). Global Pandemic Threats: A Reference Handbook: A Reference Handbook. ABC-CLIO. ISBN 978-1440842825. Retrieved 2017-01-09.
  37. ^ "Multiple sex partners". Terrence Higgins Trust. Archived from the original on 2017-02-18. Retrieved 2017-02-17.
  38. ^ "Sexually Transmitted Diseases Treatment Guidelines, 2015". Retrieved 2017-02-20.Public Domain This article incorporates text from this source, which is in the public domain.
  39. ^ "Household Wealth, Travel Associated with Having Multiple Partners among Sub-Saharan African Men - International Perspectives on Sexual and Reproductive Health". HighBeam Research. Retrieved 2017-01-09.
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