Research and statistics
Couples are increasingly using separate or hybrid account structures, while research also suggests that financial coordination and pooling can benefit some relationships. The useful conclusion is not that one account structure wins—it is that shared rules and visibility need to be intentional.
The U.S. Census Bureau reported that the share of married couples with no joint bank accounts rose from 15% in 1996 to 23% in 2023. Among couples with joint accounts, mixed joint-and-individual ownership also became more common.
A YouGov survey conducted for Bankrate in December 2025 found 38% completely combined finances, 36% used a mix of joint and separate accounts, and 26% kept accounts completely separate among married, civil-partnered, or cohabiting U.S. adults.
A six-wave longitudinal experiment published in the Journal of Consumer Research found that engaged or newlywed couples assigned to merge money in a joint account sustained stronger relationship quality over two years than separate-account and no-intervention groups. The finding applies to the studied newlywed population and does not prove that every couple should merge all accounts.
In the same 2025 YouGov survey, the most common answer for when couples should begin discussing debt, spending habits, goals, salary, credit, and savings was after a few months of dating. The survey used an online non-probability panel with quotas and weighting.
Census findings are based on the nationally representative Survey of Income and Program Participation. Bankrate figures come from a YouGov online survey of 2,564 U.S. adults, including 1,208 in a committed live-in relationship. Research findings describe populations and averages; they are not personal financial, legal, or relationship advice.
U.S. Census Bureau, “Almost a Quarter of Married Couples Didn’t Have Joint Accounts in 2023” (September 24, 2025); Bankrate/YouGov, “Most Couples Keep At Least Some Of Their Money Separate” (February 9, 2026); Olson, Rick, Small, and Finkel, “Common Cents,” Journal of Consumer Research 50(4), 2023.
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