Women are much more likely to have affairs when they’re young. For men the likelihood increases with age.
Also interesting is the proportion of men and women who have affairs, by age:
Men are more likely to cheat with younger women:
Women are more likely to have affairs with men who are more educated than their spouse:
Source: “THE EVOLUTIONARY BIOLOGY AND ECONOMICS OF SEXUAL BEHAVIOR AND INFIDELITY” by Donald Cox, Department of Economics, Boston College, 2008
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