Depending on studies, it was estimated that 26–50% of men and 21–38% of women, or 22.7% of men and 11.6% of women had extramarital sex. Other authors  say that between 20% and 25% of Americans had sex with someone other than their spouse.
Studies have estimated that 26–50% of men and 21–38% of women, or 22.7% of men and 11.6% of women had extramarital sex. Other authors suggest that between 20% and 25% of Americans engaged in sexual activity with someone other than their spouse.