Some couples in open marriages report high levels of satisfaction with their relationships. A study conducted by Wolf found that 76 percent of couples in open marriages described the quality of their relationships as better than average or outstanding.

What percentage of couples have open relationships?

Research tells us that about 4 to 5 percent of heterosexual couples have agreed to have an open relationship. In other words, theyve given their consent to not be monogamous. That may seem like a relatively small and, given the stigma surrounding open relationships, unsurprising number.

Is open marriage common?

Still, 5 percent of the total U.S. population is a lot of people. Heres what to know about open marriages, and how to approach your partner if youre interested in giving it a try, according to experts whove practiced consensual non-monogamy themselves.