Female Breadwinners Face Higher Divorce Rates, But the Reason Isn’t What You Think

A woman earning more than her husband might seem like a straightforward sign of progress: more financial freedom, more flexibility for a family and fewer assumptions about who is supposed to provide. Yet research has repeatedly found an uncomfortable pattern. Different-sex couples in which the woman earns more are more likely to separate than couples with a male breadwinner.

A major international study published in the Journal of Marriage and Family put that relationship under a microscope. Researchers Pilar Gonalons-Pons and Allison Dunatchik analyzed data from 544,911 different-sex couples across 29 high-income countries between 2004 and 2020, including more than 437,000 married couples. They found that couples in which women earned more than their partners were 36% more likely to separate.

That number might appear to confirm a familiar story: traditional gender roles are being disrupted, men are uncomfortable being out-earned, or financially independent women simply find it easier to leave. But when the researchers tested several of those explanations, the evidence did not neatly support them. The higher separation rate was not simply a story about women making more money.

The Usual Explanations Didn’t Hold Up

One long-standing theory centers on the male-breadwinner ideal. If people still expect men to be the primary providers, the thinking goes, reversing that arrangement could create tension inside a marriage. Yet the study found that countries with more traditional gender attitudes did not show a stronger link between female breadwinning and relationship breakdown.

Another explanation has focused on women’s financial independence. A higher salary can certainly give someone greater practical freedom to leave an unhappy relationship. But the researchers found little evidence that women became less committed to their relationships simply because they had gained an economic advantage. Women who out-earned their partners reported similar levels of relationship commitment to women who earned less.

The researchers also considered labor-market conditions, partners’ relative economic advantages, and the possibility that higher earners might have different opportunities to find another partner. None fully accounted for the pattern. The strongest clue emerged elsewhere and became particularly visible once children entered the picture.

Children Reveal Where the Pressure May Be Building

Among couples with children, female-breadwinner relationships were 49% more likely to dissolve than comparable male-breadwinner relationships. Among couples without children, the difference was considerably smaller, at 23%. That gap led researchers toward work-family conflict as a potentially important piece of the puzzle.

The problem may arise when the breadwinning role changes faster than life at home does. A woman can become the household’s higher earner without automatically shedding the cooking, cleaning, childcare and organizational work traditionally expected of her. As the study authors put it, work-family conflict could become particularly intense when women continue substantial paid work after having children while their male partners do not take on enough domestic labor.

Australian data illustrates how persistent that imbalance can be. The University of Melbourne’s analysis of the Household, Income and Labour Dynamics in Australia Survey found that women averaged 28.5 hours of paid employment and 18.4 hours of housework per week in 2022, while men averaged 37.9 hours of employment but only 12.8 hours of housework. Women also spent 8.8 hours caring for their children, compared with 4.5 hours for men. Even among couples where both partners worked full-time, women still performed the majority of housework and care.

Becoming a Mother Can Rewrite the Household Rules

The arrival of a first child appears to be an especially important turning point. HILDA data showed that before parenthood, couples divided their overall paid and unpaid workload relatively evenly. After a baby arrived, however, women’s share of paid work dropped sharply while their share of childcare and housework surged.

That arrangement did not simply disappear as children grew older. Five years after a first birth, women were still doing 62% of the couple’s housework, according to the University of Melbourne analysis. Dr. Inga Lass, a researcher with the HILDA Survey, noted that women who return to the labor market often continue doing much of what they had taken responsibility for at home. What begins as a practical arrangement during infancy can become a household pattern that is never fully renegotiated.

The mismatch is visible in how couples perceive fairness, too. Among women with dependent children, 62.6% said they did a bit or much more than their fair share of housework. Meanwhile, 55.6% of men with dependent children believed they were doing their fair share, while another 17% thought they were doing more than their fair share. Two people can therefore live in the same household while having strikingly different ideas about whether its workload is balanced.

The Real Issue May Be Who Carries the Load

None of this means that an unequal division of chores has been proven to cause female-breadwinner marriages to end. The international study was observational, and its authors cautioned against treating women’s higher earnings as a cause of separation. Their data also lacked information about relationship duration and could not capture every element of communication, compatibility, or relationship quality.

But taken together, the research shifts the focus away from the simplistic idea that women earning more somehow destabilizes relationships. A higher salary may instead expose an older contradiction: women’s roles in the workplace have changed dramatically, while expectations inside the home have moved more slowly. The strain may be particularly pronounced when a demanding career is layered on top of a disproportionate share of domestic and caregiving responsibilities.

That distinction matters because the solution looks very different depending on which explanation is believed. If women’s success itself were the problem, female breadwinning would seem inherently risky for relationships. If the real friction lies partly in how paid work, childcare, and household labor are negotiated, income is less the culprit than the circumstances surrounding it. The research does not say every female breadwinner faces an unequal partnership or that every such relationship is headed for trouble. It suggests something more useful: who earns the bigger paycheck may matter less than what happens after both partners come home from work.