The following statistics were found according to the Journal of Marital and Family Therapy research on January 1, 2014.

Marriage Infidelity StatisticsData
Percent of marriages where one or both spouses admit to infidelity, either physical or emotional41 %
Percent of men who admit to committing infidelity in any relationship they’ve had57 %
Percentage of women who admit to committing infidelity in any relationship they’ve had54 %
Percent of married men who have strayed at least once during their married lives22 %
Percent of married women who have strayed at least once during their married lives14 %
Percentage of men and women who admit to having an affair with a co-worker36 %
Percentage of men and women who admit to infidelity on business trips35%
Percentage of men and women who admit to infidelity with a brother-in-law or sister-in-law17 %
Average length of an affair2 years
Percentage of marriages that last after an affair has been admitted to or discovered31 %
Percentage of men who say they would have an affair if they knew they would never get caught74 %
Percentage of women who say they would have an affair if they knew they would never get caught68 %
Percent of children who are the product of infidelity3 %