Adultery

==Prevalence==

[[Durex]]'s Global Sex Survey found that worldwide 22% of people surveyed admitted to have had extramarital sex.<ref>{{cite web |url=http://www.durex.com/cm/gss2005Content.asp?intQid=943&intMenuOpen= |title=The Global Sex Survey 2005 |publisher=durex.com |access-date=12 July 2010 |archive-url = https://web.archive.org/web/20080430082451/http://www.durex.com/cm/gss2005Content.asp?intQid=943&intMenuOpen= |archive-date = 30 April 2008}}</ref><ref>{{cite web |url=http://www.durex.com/cm/gss2005result.pdf |title=The Global Sex Survey 2005, full report |publisher=durex.com |access-date=12 July 2010 |archive-url = https://web.archive.org/web/20080216080708/http://www.durex.com/cm/gss2005result.pdf |archive-date = 16 February 2008}}</ref> According to a 2015 study by Durex and Match.com, Thailand and Denmark were the most adulterous countries based on the percentage of adults who admitted having an affair.<ref>{{Cite web|url=https://www.statista.com/chart/3238/the-worlds-most-adulterous-countries/|title = Infographic: The world's most adulterous countries| date=18 February 2015 }}</ref><ref>{{Cite web|url=https://thewhistler.ng/list-of-10-most-adulterous-countries-in-the-world-1-is-a-very-religious-country/|title = List of 10 Most Adulterous Countries in the World, #1 is a Very Religious Country|date = 22 February 2017}}</ref>

In the United States [[Alfred Kinsey]] found in his studies that 50% of males and 26% of females had extramarital sex at least once during their lifetime.<ref>{{cite web|url=http://www.kinseyinstitute.org/research/ak-data.html#extramaritalcoitus |title=Kinsey Study Data [Research Program] |publisher=The Kinsey Institute |access-date=12 July 2010 |archive-url=https://web.archive.org/web/20100726194522/http://www.kinseyinstitute.org/research/ak-data.html |archive-date=26 July 2010 |url-status=dead }}</ref> Depending on studies, it was estimated that 22.7% of men and 11.6% of women, had extramarital sex.<ref name="Wiedermann1997" /> Other authors say that between 20% and 25% of Americans had sex with someone other than their spouse.<ref>{{cite journal |last1=Atkins |first1=D. C. |last2=Baucom |first2=D. H. |last3=Jacobson |first3=N. S. |year=2001 |pmid=11770478 |title=Understanding Infidelity: Correlates in a National Random Sample |journal=Journal of Family Psychology |volume=15 |issue=4 |pages=735–749 |doi=10.1037/0893-3200.15.4.735 |s2cid=20925417 }}</ref>

Three 1990s studies in the United States, using nationally representative samples, have found that about 10–15% of women and 20–25% of men admitted to having engaged in [[extramarital sex]].<ref name="Wiedermann1997">{{cite journal |last=Wiederman |first=M. W. |year=1997 |title=Extramarital sex: Prevalence and correlates in a national survey |journal=Journal of Sex Research |volume=34 |issue=2 |pages=167–174 |jstor=3813564 |doi=10.1080/00224499709551881}}</ref><ref name="Clements,1994">Clements, M. (7 August 1994). Sex in America today: A new national survey reveals how our attitudes are changing. Parade Magazine, 4–6.</ref><ref name="Laumann, Gagnon, Michael, Michaels,1994">{{cite book |last1=Laumann |first1=E. O. |last2=Gagnon |first2=J. H. |last3=Michael |first3=R. T. |last4=Michaels |first4=S. |year=1994 |title=The social organization of sexuality: Sexual practices in the United States |location=Chicago |publisher=University of Chicago Press |isbn=978-0-226-46957-7 }}</ref>

The [[Standard Cross-Cultural Sample]] described the occurrence of extramarital sex by gender in over 50 pre-industrial cultures. The occurrence of extramarital sex by men is described as "universal" in 6 cultures, "moderate" in 29 cultures, "occasional" in 6 cultures, and "uncommon" in 10 cultures. The occurrence of extramarital sex by women is described as "universal" in 6 cultures, "moderate" in 23 cultures, "occasional" in 9 cultures, and "uncommon" in 15 cultures.<ref name="Divale,2000">[http://worldcultures.org/SCCS1.pdf Divale, W. (2000). Pre-Coded Variables for the Standard Cross-Cultural Sample, Volume I and II. Jamaica, NY: York College, CUNY.  Distributed by World Cultures] {{Webarchive|url=https://web.archive.org/web/20081217131745/http://worldcultures.org/SCCS1.pdf |date=17 December 2008 }}. See Variable 170 and Variable 171.</ref><ref name="Murdock, White,1969">{{cite journal |doi=10.2307/3772907 |author=Murdock, G.P. |author2=White, D.R. |title=Standard cross-cultural sample |journal=Ethnology |volume=8 |issue=4 |pages=329–69 |year=1969 |jstor=3772907 }}</ref>