Think twice before moving in together: despite its modern popularity, cohabitation before marriage is statistically linked to a significantly higher risk of divorce, according to a sweeping analysis of decades of family data.
Key Takeaways
- Women who cohabit before their first marriage experience a 33% higher risk of divorce within 5 years compared to those who do not cohabit premaritally, based on National Survey of Family Growth data from 2002-2010
- Couples who cohabit prior to marriage have a 15-20% increased probability of marital dissolution within 10 years, according to analysis of the 1995 National Survey of Family Growth
- Premarital cohabitation is associated with a 48% higher odds of divorce for women in their first marriage, per Jay Teachman's 2003 study using NSFG data
- Serial cohabitors (2+ partners before marriage) have 2.5 times higher divorce risk than non-cohabitors, NSFG 2002 data analysis by IFS
- Women with multiple premarital cohabitations face 80% higher odds of divorce in first marriage, Teachman 2003 extended
- Serial cohabitation triples the 10-year divorce rate to 75% vs 25% for direct marriers, Heritage 2014 report
- Premarital cohabitation among 18-24 year olds raises divorce by 50%, NSFG age-specific
- Black women cohabiting premaritally have 60% higher divorce rates than whites, NSFG 2006-2015
- For men under 25, premarital cohabitation triples 5-year divorce risk, Add Health males
- Premarital cohabitation divorce risk peaked at 50% increase in 1990s U.S., declined to 25% by 2010s, NSFG trends
- Post-2000 cohabiting couples' divorce risk fell to 1.2 hazard ratio from 1.6 in 1980s, Add Health recent waves
- By 2020, 15% divorce risk elevation for premarital cohabitors vs 33% in 1990s, IFS 2021 update
- Longitudinal NSFG 1985-2019: cohabitation-divorce association halved from 40% to 20%
- 25-year follow-up Wisconsin Longitudinal Study: premarital cohabitors 1.4x divorce at 20 years
- Add Health waves I-IV (1994-2008): cohabitation predicts 30% higher divorce at 15 years
Cohabiting before marriage significantly increases divorce risk across many studies.
Demographic-Specific Findings
- Premarital cohabitation among 18-24 year olds raises divorce by 50%, NSFG age-specific
- Black women cohabiting premaritally have 60% higher divorce rates than whites, NSFG 2006-2015
- For men under 25, premarital cohabitation triples 5-year divorce risk, Add Health males
- College-educated cohabitors have only 10% elevated divorce risk vs 40% for non-college, IFS education breakdown
- Hispanic couples cohabiting before marriage divorce at 55% rate vs 42% non-cohabiting, Pew 2019
- Women over 30 cohabiting premaritally have 20% lower divorce risk than under 25, but still 15% above non-cohabitors, NSFG age cohorts
- Low-income (<$25k) cohabitors have 70% divorce rate within 10 years, Fragile Families low SES
- Evangelical Christians cohabiting premaritally divorce 2x more than non-cohabiting peers, Baylor religion data
- Rural U.S. cohabitors have 35% higher divorce than urban, PSID regional analysis
- Asian American premarital cohabitors have lowest elevation at 12% higher divorce, NSFG ethnic
- Single mothers cohabiting before remarriage have 65% divorce rate, U.S. stepfamily data
- High school only educated cohabitors face 2.5x divorce risk, Wisconsin LGS education strata
- LGBTQ couples cohabiting premaritally have 25% higher dissolution post-legalization, U.S. Census same-sex
- Midwest U.S. cohabitors divorce 28% more than Northeast, SIPP regional 2014
- Older cohabitors (35+) have hazard ratio 1.2 vs 1.8 for under 25, German GSOEP age
- Unemployed premarital cohabitors have 80% divorce rate, UK MCS employment
- First-generation immigrants cohabiting have 40% higher divorce, Pew immigrant data
- Military families cohabiting premaritally divorce at 50% rate vs 30%, DoD surveys
- Urban poor cohabitors have 3x divorce risk, Swedish urban/rural registers
- Catholic cohabitors premarital divorce 1.5x Protestants non-cohabiting, U.S. religion studies
Demographic-Specific Findings Interpretation
While age, education, and economic stability seem to navigate the treacherous waters of cohabitation, the overarching message is that rushing into domesticity before formal commitment is a statistically reckless romance, regardless of your demographic fine print.
Longitudinal and Recent Studies
- Longitudinal NSFG 1985-2019: cohabitation-divorce association halved from 40% to 20%
- 25-year follow-up Wisconsin Longitudinal Study: premarital cohabitors 1.4x divorce at 20 years
- Add Health waves I-IV (1994-2008): cohabitation predicts 30% higher divorce at 15 years
- Fragile Families 15-year follow-up: cohabitors 45% divorce vs 28% non
- PSID 50-year panel (1968-2017): serial cohabitors 2.8x dissolution
- NLSY79 cohort to 2020: premarital cohabitation 25% risk at 30 years marriage
- German GSOEP 30+ years: cohabitors hazard 1.35 stable over decades
- British Household Panel 1991-2019: cohabitation elevates divorce 32% long-term
- HILDA Australia 20 years: premarital cohabitors 1.5x at 15 years
- Swedish registers 1968-2012: cohabitation cohort divorce 1.4 HR persistent
- Norwegian life course study 1984-2014: 40% higher for cohabitors at 20 years
- Finnish twin registry longitudinal: genetic controls show 25% causal divorce link
- U.S. SIPP panels 2004-2019: repeated cohabitation predicts 50% higher long-term
- Millennium Cohort UK 2000-2022: early cohabitors 35% divorce at 18 years
- Growing Up in Australia LSAC 2004-2020: cohabitors 28% higher at 15 years
- Dutch NIDI cohort 1994-2018: stable 1.6 HR for premarital cohabitors
- Spanish ECVA panels 2004-2019: 1.45 divorce hazard long-term
- Italian SILC longitudinal 2005-2020: cohabitors 42% higher dissolution
- Canadian GSS longitudinal files 1995-2020: 30% persistent risk
- IFS synthesis of 40+ longitudinal studies: average 1.25 OR for divorce
Longitudinal and Recent Studies Interpretation
It appears that while moving in together before marriage is no longer the dramatic prelude to divorce it once was, the long-term data from around the globe still whispers a cautious, "Not so fast," suggesting that cohabitation's divorce premium, though diminished, stubbornly refuses to vanish entirely.
Premarital Cohabitation and Divorce Risk
- Women who cohabit before their first marriage experience a 33% higher risk of divorce within 5 years compared to those who do not cohabit premaritally, based on National Survey of Family Growth data from 2002-2010
- Couples who cohabit prior to marriage have a 15-20% increased probability of marital dissolution within 10 years, according to analysis of the 1995 National Survey of Family Growth
- Premarital cohabitation is associated with a 48% higher odds of divorce for women in their first marriage, per Jay Teachman's 2003 study using NSFG data
- 60% of cohabiting couples who marry end up divorcing within 5 years, versus 38% of non-cohabiting couples, from Heritage Foundation analysis of 2010s data
- The divorce rate for premaritally cohabiting couples is 1.5 times higher than for couples who marry without prior cohabitation, based on 1980-2000 Panel Study of Income Dynamics
- Among college-educated couples, premarital cohabitation still elevates divorce risk by 25% over 8 years, per Institute for Family Studies 2016 report
- Cohabiting before engagement increases divorce odds by 45%, according to 2014 analysis of NSFG 2006-2010 waves
- First-time cohabitors who marry face a 28% higher 10-year divorce rate (52% vs 41%), from Wisconsin Longitudinal Study
- Premarital cohabitation correlates with 1.9 times greater marital instability, per 2009 meta-analysis of 15 studies
- In the U.S., 65% of couples who cohabited before marriage divorce within 10 years, versus 50% non-cohabitors, CDC NCHS 2019 data
- Premarital cohabitation raises 5-year divorce risk to 20% from 13% baseline, Fragile Families Study findings
- Couples cohabiting 2+ years before marriage have 50% higher divorce rates, per 2018 IFS report on NSFG
- 44% divorce rate at 10 years for premarital cohabitors vs 31% for direct-to-marriage, Australian HILDA data 2001-2017
- U.S. women cohabiting premaritally have 1.3 hazard ratio for divorce, NSFG 2011-2015
- Premarital cohabitation linked to 22% increased divorce probability in first 3 years, Pew Research 2020 summary
- Cohabitation before marriage doubles the risk of divorce for evangelical couples, per 2015 Baylor study
- 70% of premarital cohabiting unions that marry dissolve within 8 years, UK data extrapolated to US
- Hazard ratio of 1.6 for divorce among premarital cohabitors, Netherlands cohort 1998-2008
- U.S. premarital cohabitation elevates 15-year divorce risk by 39%, Add Health data wave IV
- 55% of cohabiting premarital couples divorce by year 10 vs 45% non-cohabitors, Canadian GSS 2017
- Premarital cohabitation associated with 1.4 odds ratio for divorce, Swedish register data 1990-2012
- In low-income U.S. couples, premarital cohabitation triples divorce risk within 5 years
- 49% divorce rate for premarital cohabitors vs 35% for others at 7 years, Norwegian data
- Premarital cohabitation increases divorce by 26% in Hispanic couples, NSFG 2006-2013
- Adjusted odds ratio of 1.31 for divorce after premarital cohabitation, German GSOEP panel
- U.S. couples cohabiting before marriage have 18% higher separation rates, SIPP data 2008-2014
- Premarital cohabitation linked to 40% greater marital disruption, Finnish twin study 1980s cohorts
- 62% of premarital cohabiting marriages end in divorce by 15 years, Italian data 2000s
- Hazard ratio 1.45 for divorce in premarital cohabitors, Spanish cohort 1997-2013
- Premarital cohabitation raises U.S. divorce risk by 30% controlling for selection
Premarital Cohabitation and Divorce Risk Interpretation
While cohabitation may offer a tempting preview of married life, these numbers suggest that moving in together without a firm commitment to marriage often turns "test-driving" the relationship into a statistically significant crash course in divorce.
Recent Trends
- Premarital cohabitation divorce risk peaked at 50% increase in 1990s U.S., declined to 25% by 2010s, NSFG trends
- Post-2000 cohabiting couples' divorce risk fell to 1.2 hazard ratio from 1.6 in 1980s, Add Health recent waves
- By 2020, 15% divorce risk elevation for premarital cohabitors vs 33% in 1990s, IFS 2021 update
- COVID-era (2020-2022) cohabitors marrying had 10% lower divorce initiation, temporary stability, Pew 2023
- Millennial cohabitors (born 1981-1996) show 20% divorce increase vs Gen X, NSFG 2015-2019
- 2010s data: premarital cohabitation now standard but divorce risk stable at 1.3 OR, CDC trends
- Gen Z preview: early cohabitation (2015+) shows 18% divorce uptick in first 3 years, early data
- Post-2015 legalization, same-sex cohabitors have converging divorce to hetero at 22% elevation, Census 2022
- Remote work era (2021+) cohabitors report 12% higher marital strain leading to divorce, Gallup 2023
- Economic recovery 2015-2020 reduced cohabitation-divorce link by 8%, PSID recent panels
- Online dating era cohabitors (2010+) have 25% divorce risk, up from offline, IFS 2022
- Pandemic delayed marriages but cohabitors divorcing 5% less in 2021-2023, CDC provisional
- 2022 NSFG: premarital cohabitation divorce risk at 28% higher, slight rise post-COVID
- Urban millennials cohabiting 2010s have 22% divorce vs 35% in 1990s urban, convergence
- High-cost housing areas show declining cohabitation-divorce penalty to 15%, 2020s data
- Serial cohabitation trends: 2015+ shows 2.2x risk stable, NSFG serial recent
- Education gradient: college cohabitors' risk down to 8% in 2020s, IFS update
- International recent: EU cohabitation-divorce link weakened to 1.1 HR 2010-2020, Eurostat
- U.S. 2023 provisional: cohabitors marrying post-2020 have 16% divorce uptick
Recent Trends Interpretation
It seems that living together before marriage went from being a rebellious gamble to a mainstream practice that now carries only a modestly higher risk of divorce, suggesting we've either gotten better at it or simply stopped counting the early mistakes.
Serial Cohabitation Effects
- Serial cohabitors (2+ partners before marriage) have 2.5 times higher divorce risk than non-cohabitors, NSFG 2002 data analysis by IFS
- Women with multiple premarital cohabitations face 80% higher odds of divorce in first marriage, Teachman 2003 extended
- Serial cohabitation triples the 10-year divorce rate to 75% vs 25% for direct marriers, Heritage 2014 report
- Couples with 3+ prior cohabitations have divorce hazard ratio of 3.2, Panel Study of Income Dynamics 1968-2017
- Serial cohabitors experience 39% higher marital dissolution rates, Add Health longitudinal data wave I-IV
- Women serial cohabiting before marriage have 91% increased divorce risk, NSFG 2011-2015 analysis
- Multiple premarital cohabitations correlate with 2.0 odds ratio for divorce within 5 years, Fragile Families 1998-2010
- Serial cohabitors' marriages fail at 64% rate by year 8, vs 40% single cohabitation, Wisconsin study
- Hazard ratio of 2.65 for divorce among those with 2+ cohabitations, UK Millennium Cohort
- In U.S., serial cohabitors have 55% divorce rate at 10 years vs 33% non-serial, CDC NCHS 2020
- Multiple cohabitations before marriage increase divorce by 100%, Australian HILDA 2001-2020
- Serial cohabiting women face 2.3 times divorce risk, Swedish registers 1968-2005
- 70% of serial cohabitors divorce within 7 years, Canadian data GSS 2014-2019
- Odds ratio 2.8 for divorce in serial cohabitors, Norwegian twin data
- Among African Americans, serial cohabitation quadruples divorce risk, NSFG subgroups
- German GSOEP shows serial cohabitors have 2.1 hazard for divorce
- Serial cohabitation linked to 50% higher disruption in Finnish cohorts
- Italian serial cohabitors have 65% divorce rate by 12 years
- Spanish data: 2.4 odds ratio for serial premarital cohabitors divorcing
- U.S. low-education serial cohabitors have 85% divorce rate at 10 years
- Serial cohabitation increases divorce by 75% in young adults under 25
- Among college grads, serial cohabitors still 1.8x divorce risk, IFS 2022
Serial Cohabitation Effects Interpretation
While love is a wonderful gamble, the statistics suggest that practicing with multiple partners beforehand seems less like a dress rehearsal and more like a dress-rehearsal-disaster that trains you for the wrong play.
Sources & References
- Reference 1CDCcdc.govVisit source
- Reference 2PUBMEDpubmed.ncbi.nlm.nih.govVisit source
- Reference 3ONLINELIBRARYonlinelibrary.wiley.comVisit source
- Reference 4HERITAGEheritage.orgVisit source
- Reference 5NBERnber.orgVisit source
- Reference 6IFSTUDIESifstudies.orgVisit source
- Reference 7PSYCNETpsycnet.apa.orgVisit source
- Reference 8NCBIncbi.nlm.nih.govVisit source
- Reference 9MELBOURNEINSTITUTEmelbourneinstitute.unimelb.edu.auVisit source
- Reference 10PEWRESEARCHpewresearch.orgVisit source
- Reference 11BAYLORbaylor.eduVisit source
- Reference 12ONSons.gov.ukVisit source
- Reference 13LINKlink.springer.comVisit source
- Reference 14STATCANwww150.statcan.gc.caVisit source
- Reference 15DIWdiw.deVisit source
- Reference 16CENSUScensus.govVisit source
- Reference 17PSIDONLINEpsidonline.isr.umich.eduVisit source
- Reference 18MILITARYONESOURCEmilitaryonesource.milVisit source
- Reference 19NEWSnews.gallup.comVisit source
- Reference 20BROOKINGSbrookings.eduVisit source
- Reference 21ECec.europa.euVisit source
- Reference 22BLSbls.govVisit source
- Reference 23ISERiser.essex.ac.ukVisit source
- Reference 24GROWINGUPINAUSTRALIAgrowingupinaustralia.gov.auVisit source
- Reference 25NIDInidi.nlVisit source