Infidelity in the United States is said to be responsible for 20-40% of divorces. This is a finding by the American Psychological Association. Furthermore, there are several sources of data on the link between cheating and divorce. However, detailed statistics on this link are not easy to locate or decipher.

What percentage of marriages involve affairs?

According to the American Association for Marriage and Family Therapy, national surveys indicate that 15 percent of married women and 25 percent of married men have had extramarital affairs. The incidence is about 20 percent higher when emotional and sexual relationships without intercourse are included.