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Taylor Swift’s marriage to Travis Kelce gives the article a vivid example of a still-unusual household arrangement. Kelce reportedly earns around \$50m a year, yet that is only about a fifth of the couple’s combined income. Their celebrity scale is exceptional, but the imbalance points to a broader puzzle: women have made enormous gains in education and employment without becoming primary earners in most two-income households.

Women now receive three-fifths of American university degrees and make up slightly more than half of college-educated workers. Even so, only 30% of wives in dual-income American couples earned more than their husbands in 2024. Differences in jobs, hours and pay explain part of the gap. Research reviewed by the article suggests that social expectations inside relationships may explain another part.

Equality in theory, resistance in practice

People increasingly reject the idea that a higher-earning wife must create marital trouble. In a 2022 survey, only 10% of Americans agreed with that claim, compared with 16% of Germans and 27% of Chinese respondents. Actual household incomes, however, reveal a less comfortable picture.

A widely discussed 2015 study found a sharp drop in the number of couples at the point where a wife’s earnings begin to exceed her husband’s. In other words, wives appeared disproportionately likely to earn just under half of household income rather than just over it. Critics argued that the pattern could be a statistical artifact caused by spouses who report identical earnings because they run a family business or work in similar jobs.

The Economist tested that objection using 17 years of American Community Survey data on working couples aged 25 to 35. The discontinuity around the 50% threshold remained even after excluding self-employed couples and spouses in the same occupation or industry. A French study points to possible consequences: couples in which women earn roughly three-quarters of household income are about 30% more likely to separate than couples whose earnings are more evenly divided.

The emotional and domestic costs

The income pattern does not by itself prove that gender norms cause couples to earn less or split up. Yet evidence from several countries suggests that departing from the traditional male-breadwinner model carries psychological strain. American, Swedish and Australian studies all associate being out-earned by a wife with worse mental health for husbands.

Using America’s Panel Study of Income Dynamics, the article finds that men whose wives or partners are the primary earners are about one and a half times as likely to report serious psychological distress, even after accounting for age, education and household income. When women provide at least 70% of household earnings, the reported risk is about two and a half times as high. Splitting the data into earlier and later periods produced nearly the same relationship, suggesting that the effect has not obviously weakened over time.

Higher-earning wives also tend to report lower relationship satisfaction. One likely source of strain is that paid work has changed faster than unpaid work: women often remain responsible for a disproportionate share of domestic labor even when they earn most of the household income. That creates a double burden for women, though it does not fully explain why lower-earning men also report distress.

A durable social norm

Many older conventions around relationships have faded, but some gendered rituals remain stubbornly durable. The male-breadwinner ideal appears to belong to that second group. Survey responses show broad support for equality, while income patterns and measures of well-being suggest that couples still experience powerful pressure when women become the larger earners.

The article’s central lesson is not that female breadwinning inevitably damages relationships. It is that educational and labor-market progress can outrun changes in private expectations and household roles. Until domestic work and ideas about status adjust as well, a woman’s higher income may remain less socially ordinary than the economic facts alone would predict.