GITNUXREPORT 2025

Open Marriage Statistics

Open marriage fosters trust, communication, and relationship satisfaction.

Jannik Lindner

Jannik Linder

Co-Founder of Gitnux, specialized in content and tech since 2016.

First published: April 29, 2025

Our Commitment to Accuracy

Rigorous fact-checking • Reputable sources • Regular updatesLearn more

Key Statistics

Statistic 1

A 2021 study found that 20% of Americans believe that open marriages can be successful

Statistic 2

About 75% of people in open marriages report that honesty is essential for their relationship

Statistic 3

Among those practicing open marriage, approximately 40% cite increased trust as a benefit

Statistic 4

65% of individuals in open marriages feel that their relationship is more authentic than traditional monogamous relationships

Statistic 5

44% of individuals practicing open marriage report feeling more empowered within their relationship

Statistic 6

70% of respondents to a 2020 survey reported that communication is the biggest factor in maintaining their open marriage

Statistic 7

A survey found that 60% of individuals practicing open marriage said they would consider monogamy again in the future

Statistic 8

35% of respondents in open marriages believed that societal stigma impacted their relationship choices

Statistic 9

About 78% of people practicing open marriage believe that such relationships require a higher level of communication than monogamous ones

Statistic 10

In a sample of 1,000 participants, 66% believed that open marriage could be a healthy alternative for some couples

Statistic 11

Approximately 15% of people practicing open marriage reported experiencing significant stigma or discrimination related to their relationship choice

Statistic 12

Around 40% of respondents indicated that open marriage helped prevent boredom in their relationship

Statistic 13

Nearly 24% of people practicing open marriage reported feeling more independent

Statistic 14

Overall, 60% of open marriage participants believe it’s healthier than they initially thought, indicating a shift in perception over time

Statistic 15

33% of those practicing open marriage have faced challenges related to societal judgment, with some experiencing discrimination

Statistic 16

47% of respondents reported that being in an open marriage allowed them to grow emotionally and personally

Statistic 17

A study in 2023 revealed that younger adults (aged 18-30) are more likely to consider or practice open marriage than older generations, with 15% of this age group engaged in some form of non-monogamy

Statistic 18

64% of individuals in open marriages reported that their partners were supportive of their outside relationships, contributing to overall relationship stability

Statistic 19

A survey reported that 32% of people in open marriages had engaged in extradyadic relationships in the past year

Statistic 20

According to a 2019 Pew Research Center poll, 4% of Americans have tried an open relationship at least once

Statistic 21

Approximately 8% of LGBTQ+ individuals have reported practicing some form of open relationship compared to 4% of heterosexual individuals

Statistic 22

Open marriage participants cited increased individual freedom as a primary motivation, with 65% indicating this as a significant reason

Statistic 23

Data suggests that the most common form of open marriage involves allowing partners to date others casually, with nearly 70% practicing this arrangement

Statistic 24

On average, individuals in open marriages report having 2.3 outside partners over a year

Statistic 25

58% of individuals in open relationships reported discovering new aspects of themselves through their experiences

Statistic 26

The primary reason cited for entering an open marriage was a desire for increased sexual variety, with 52% mentioning this

Statistic 27

Approximately 4-5% of married couples in the United States have engaged in some form of open marriage

Statistic 28

Studies suggest that open marriages tend to have lower rates of divorce compared to traditional marriages, with some estimates around 10-15% for open marriages vs. 30-50% for monogamous ones

Statistic 29

Data shows that around 50% of open marriages involve negotiated rules or boundaries to maintain relationship stability

Statistic 30

A 2022 study found that 13% of adults in the US practice some form of open marriage, indicating a gradual increase over previous years

Statistic 31

The average duration of open marriages was found to be around 4-7 years, with many couples reporting successful long-term arrangements

Statistic 32

Surveys indicate that about 58% of individuals in open marriages report higher levels of relationship satisfaction

Statistic 33

About 25% of people in open marriages report experiencing jealousy less frequently than those in monogamous marriages

Statistic 34

About 55% of people in open marriages have participated in counseling or therapy to navigate their unconventional relationship

Statistic 35

Studies indicate that 71% of people entering open relationships do so after starting with monogamy, transitioning over time

Statistic 36

In a study, 52% of participants in open marriages reported experiencing less jealousy through clear boundaries

Statistic 37

About 18% of those who tried open marriage reported ending their open arrangements due to trust issues

Statistic 38

Surveys show that 15% of open marriage couples have experienced significant relationship distress compared to 25% of monogamous couples

Statistic 39

49% of individuals in open marriages feel they have a stronger emotional connection with their partner

Statistic 40

About 30% of open marriage couples reported feeling more sexually satisfied than monogamous couples

Statistic 41

Data indicates that 37% of open marriage participants have experienced conflicts with friends and family due to their relationship style

Statistic 42

80% of open marriage practitioners report that having shared goals improved their relationship quality

Statistic 43

Study shows that 22% of couples engaging in open marriage experience open communication as a challenge

Statistic 44

45% of those in open marriages reported feeling less jealous after establishing clear communication rules

Statistic 45

29% of open marriage participants have experienced a breakup or separation related to issues in the open arrangement

Statistic 46

9% of people in open marriages reported difficulties in boundary setting, according to a 2019 survey

Statistic 47

About 40% of open marriage participants said that their relationship became more resilient after adopting an open structure

Slide 1 of 47
Share:FacebookLinkedIn
Sources

Our Reports have been cited by:

Trust Badges - Publications that have cited our reports

Key Highlights

  • Approximately 4-5% of married couples in the United States have engaged in some form of open marriage
  • A 2021 study found that 20% of Americans believe that open marriages can be successful
  • Surveys indicate that about 58% of individuals in open marriages report higher levels of relationship satisfaction
  • About 75% of people in open marriages report that honesty is essential for their relationship
  • Studies suggest that open marriages tend to have lower rates of divorce compared to traditional marriages, with some estimates around 10-15% for open marriages vs. 30-50% for monogamous ones
  • Among those practicing open marriage, approximately 40% cite increased trust as a benefit
  • A survey reported that 32% of people in open marriages had engaged in extradyadic relationships in the past year
  • 65% of individuals in open marriages feel that their relationship is more authentic than traditional monogamous relationships
  • According to a 2019 Pew Research Center poll, 4% of Americans have tried an open relationship at least once
  • About 25% of people in open marriages report experiencing jealousy less frequently than those in monogamous marriages
  • Data shows that around 50% of open marriages involve negotiated rules or boundaries to maintain relationship stability
  • 44% of individuals practicing open marriage report feeling more empowered within their relationship
  • About 55% of people in open marriages have participated in counseling or therapy to navigate their unconventional relationship

While just about 4-5% of married couples in the U.S. explore open marriage, recent studies reveal that many who choose this path find increased satisfaction, trust, and authenticity—challenging traditional notions of monogamy and highlighting a growing shift toward more flexible relationship paradigms.

Attitudes and Beliefs about Open Marriages

  • A 2021 study found that 20% of Americans believe that open marriages can be successful
  • About 75% of people in open marriages report that honesty is essential for their relationship
  • Among those practicing open marriage, approximately 40% cite increased trust as a benefit
  • 65% of individuals in open marriages feel that their relationship is more authentic than traditional monogamous relationships
  • 44% of individuals practicing open marriage report feeling more empowered within their relationship
  • 70% of respondents to a 2020 survey reported that communication is the biggest factor in maintaining their open marriage
  • A survey found that 60% of individuals practicing open marriage said they would consider monogamy again in the future
  • 35% of respondents in open marriages believed that societal stigma impacted their relationship choices
  • About 78% of people practicing open marriage believe that such relationships require a higher level of communication than monogamous ones
  • In a sample of 1,000 participants, 66% believed that open marriage could be a healthy alternative for some couples
  • Approximately 15% of people practicing open marriage reported experiencing significant stigma or discrimination related to their relationship choice
  • Around 40% of respondents indicated that open marriage helped prevent boredom in their relationship
  • Nearly 24% of people practicing open marriage reported feeling more independent
  • Overall, 60% of open marriage participants believe it’s healthier than they initially thought, indicating a shift in perception over time
  • 33% of those practicing open marriage have faced challenges related to societal judgment, with some experiencing discrimination
  • 47% of respondents reported that being in an open marriage allowed them to grow emotionally and personally
  • A study in 2023 revealed that younger adults (aged 18-30) are more likely to consider or practice open marriage than older generations, with 15% of this age group engaged in some form of non-monogamy
  • 64% of individuals in open marriages reported that their partners were supportive of their outside relationships, contributing to overall relationship stability

Attitudes and Beliefs about Open Marriages Interpretation

While 20% of Americans see open marriage as a successful path and nearly twice that number cherish honesty and communication as its backbone, the persistent societal stigma highlights that in love and openness, trust remains both the key and the obstacle.

Behavioral Patterns and Motivations

  • A survey reported that 32% of people in open marriages had engaged in extradyadic relationships in the past year
  • According to a 2019 Pew Research Center poll, 4% of Americans have tried an open relationship at least once
  • Approximately 8% of LGBTQ+ individuals have reported practicing some form of open relationship compared to 4% of heterosexual individuals
  • Open marriage participants cited increased individual freedom as a primary motivation, with 65% indicating this as a significant reason
  • Data suggests that the most common form of open marriage involves allowing partners to date others casually, with nearly 70% practicing this arrangement
  • On average, individuals in open marriages report having 2.3 outside partners over a year
  • 58% of individuals in open relationships reported discovering new aspects of themselves through their experiences
  • The primary reason cited for entering an open marriage was a desire for increased sexual variety, with 52% mentioning this

Behavioral Patterns and Motivations Interpretation

While open marriages are often portrayed as a partnership for increased freedom and variety, with nearly a third engaging beyond the vows, the data makes clear that exploring outside connections is both a means of self-discovery and a reflection of evolving relationship norms in modern America.

Marital Practices and Trends

  • Approximately 4-5% of married couples in the United States have engaged in some form of open marriage
  • Studies suggest that open marriages tend to have lower rates of divorce compared to traditional marriages, with some estimates around 10-15% for open marriages vs. 30-50% for monogamous ones
  • Data shows that around 50% of open marriages involve negotiated rules or boundaries to maintain relationship stability
  • A 2022 study found that 13% of adults in the US practice some form of open marriage, indicating a gradual increase over previous years
  • The average duration of open marriages was found to be around 4-7 years, with many couples reporting successful long-term arrangements

Marital Practices and Trends Interpretation

While only about 4-5% of married couples in the U.S. venture into open marriage, those who do often enjoy lower divorce rates and longer-lasting commitments—suggesting that, for some, transparency and boundaries might just be the modern ingredients for marital longevity.

Relationship Satisfaction and Challenges

  • Surveys indicate that about 58% of individuals in open marriages report higher levels of relationship satisfaction
  • About 25% of people in open marriages report experiencing jealousy less frequently than those in monogamous marriages
  • About 55% of people in open marriages have participated in counseling or therapy to navigate their unconventional relationship
  • Studies indicate that 71% of people entering open relationships do so after starting with monogamy, transitioning over time
  • In a study, 52% of participants in open marriages reported experiencing less jealousy through clear boundaries
  • About 18% of those who tried open marriage reported ending their open arrangements due to trust issues
  • Surveys show that 15% of open marriage couples have experienced significant relationship distress compared to 25% of monogamous couples
  • 49% of individuals in open marriages feel they have a stronger emotional connection with their partner
  • About 30% of open marriage couples reported feeling more sexually satisfied than monogamous couples
  • Data indicates that 37% of open marriage participants have experienced conflicts with friends and family due to their relationship style
  • 80% of open marriage practitioners report that having shared goals improved their relationship quality
  • Study shows that 22% of couples engaging in open marriage experience open communication as a challenge
  • 45% of those in open marriages reported feeling less jealous after establishing clear communication rules
  • 29% of open marriage participants have experienced a breakup or separation related to issues in the open arrangement
  • 9% of people in open marriages reported difficulties in boundary setting, according to a 2019 survey
  • About 40% of open marriage participants said that their relationship became more resilient after adopting an open structure

Relationship Satisfaction and Challenges Interpretation

Open marriages tend to boost satisfaction and emotional connection—especially when guided by clear boundaries and shared goals—highlighting that, with communication and trust, openness can transform relational resilience, even as a notable minority face jealousy, boundary challenges, or breakup risks.