Key Takeaways
- In the United States, 3-in-10 adults (30%) have cohabited with a romantic partner at some point, according to a 2019 Pew Research Center survey.
- In the United States, 31% of adults have ever cohabited (2019), per Pew Research Center.
- In the United States, 5% of adults currently live with a romantic partner who is not their spouse (2019), per Pew Research Center.
- In the United States, Pew reports that 6% of adults (as of 2019) currently live with a partner they are not married to.
- In the US, Pew reports 18% of adults ages 18–44 currently live with a cohabiting partner (not married).
- In the US, Pew reports 7% of adults ages 30–49 currently live with an unmarried partner.
- In the United States, 57% of first-time marriages in 2009 were preceded by cohabitation, according to a study using ACS data and reported by Pew Research Center.
- Pew Research Center reports that most people who marry today have cohabited with their partner beforehand (2019 summary).
- In the US, a majority of marriages among recent cohorts are preceded by cohabitation; Pew indicates “most” and provides supporting estimates by age.
- Cohabitation is linked to higher risk of relationship dissolution than marriage in many studies; for example, a meta-analysis summary reported an elevated risk associated with cohabitation before marriage.
- The Institute for Family Studies reports that couples who cohabit before marriage have higher divorce rates than couples who marry directly (with numeric comparisons).
- IFS summarizes research concluding cohabitation is associated with higher divorce risk; it reports a specific comparative figure in the article.
- Many countries classify “unmarried cohabiting” couples separately from married couples; Eurostat reports EU-27 total of 8.7 million unmarried cohabiting couples (2022).
- Eurostat “Living arrangements statistics” gives the share of all couples in the EU that are unmarried cohabiting couples (~10.4% in 2022).
- In the United States, CDC reports that births to unmarried women accounted for 40% of all births in 2020 (which includes births within cohabiting unions).
Cohabitation is widespread globally, often preceding marriage, shaping outcomes and stability.
Prevalence & Trends in Cohabitation
Prevalence & Trends in Cohabitation Interpretation
Demographic Differences & Who Cohabits
Demographic Differences & Who Cohabits Interpretation
Timing, Transitions & Marriage Outcomes
Timing, Transitions & Marriage Outcomes Interpretation
Relationship Stability, Quality & Outcomes
Relationship Stability, Quality & Outcomes Interpretation
Births, Children & Socioeconomic Implications
Births, Children & Socioeconomic Implications Interpretation
References
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