TL;DR: According to the Federal Reserve Bank of New York (Q4 2025), Americans hold $1.28 trillion in credit card debt and $1.66 trillion in student loans. In community property states like California and Texas, debts incurred during marriage are generally shared. A well-drafted prenup lets couples opt out of those default rules and assign pre-marital and marital debt to the partner who incurred it.If you're engaged to someone carrying meaningful debt, you've probably had one of two conversations with yourself. Either you're worried about taking on a balance you didn't create, or you're the partner with the balance and you're worried about how to bring it up without feeling like a liability. Both feelings are common, and both are reasonable.
The reassuring part is that what your state's default law does to your finances when you marry isn't fixed. According to the Federal Reserve Bank of New York's Q4 2025 Household Debt and Credit Report , U.S. household debt sits at a record $18.8 trillion, with $1.28 trillion in credit card balances and $1.66 trillion in student loans. Most couples marry with some debt between them. A prenup is the cleanest way to decide together, in writing, what stays separate and what becomes shared.
A prenup can be very effective at allocating debt responsibility between spouses, including reimbursement if one spouse pays a debt assigned to the other. It does not automatically bind banks, lenders, the IRS, medical providers, or other creditors, so creditor exposure depends on state law, account documents, guarantees, and how the couple holds property.
Why debt deserves its own conversation Asset planning and debt planning aren't the same exercise. Assets sit in accounts you can see; debts often sit in accounts only one partner has been managing, sometimes for years, sometimes with shame attached. The partner who carries the debt may have been quiet about it. The partner who doesn't may not know the full picture.
That asymmetry is exactly why this topic benefits from the structure a prenup provides. Prenups require full financial disclosure from both partners, which means the debt conversation has to happen anyway. You may as well have it on your own terms, before the wedding, with a written framework on the other side of it.
There's also a generational dimension. According to Pew Research Center analysis cited in First's 2026 Prenup Report , the share of 25 to 29 year-olds with outstanding student loans rose from 28% in 1992 to 43% in 2022 and has continued to trend higher. For couples marrying in their late twenties and thirties today, pre-marital debt is the baseline.
What happens to debt when you marry, by state regime Here's where state law does most of the work, and where many couples are surprised.
Nine states use a system called community property: Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, and Wisconsin. In these states, most assets and debts acquired during marriage are treated as jointly owned by both spouses, regardless of whose name is on the account. The other 41 states (and D.C.) use equitable distribution, where marital property and debts are divided based on what a court considers fair, and "equitable" doesn't always mean "equal."
Pre-marital debt is generally treated as the borrower's separate obligation in both regimes. The bigger exposure is debt taken on during the marriage. In community property states, that debt is typically shared by default. That is a divorce-allocation rule. Creditor collection rules can differ, especially in community property states. The statutory language is direct. Under California Family Code §910(a) , the community estate is liable for a debt incurred by either spouse before or during marriage. Arizona has its own limits and collection mechanics under Arizona Revised Statutes §25-215 . And in community property states, the IRS treats tax liabilities arising from gain-seeking activities during marriage as community debts under Internal Revenue Manual 25.18.4.
The table below summarizes the default rules.
State regime
States included
Default rule for debt incurred during marriage
What a prenup can do
Community property
AZ, CA, ID, LA, NV, NM, TX, WA, WI
Generally shared by both spouses, regardless of whose name is on the account
Designate debts as separate; specify creditor notice rules
Equitable distribution
All other 41 states + D.C.
Divided based on what the court considers fair; "equitable" doesn't always mean "equal"
Predefine how specific debts are categorized in divorce
Community property trust/ elective community property planning
AK, SD, TN, KY, FL (under specific conditions)
These are not traditional default community property states for ordinary marital debt
Couples may be able to opt into community-property treatment for certain assets through a statutory agreement or trust, usually for estate or tax planning. Creditor and tax consequences vary by state and structure.
If you live in a community property state, the default rule is doing a lot of work in the background. If you live in an equitable distribution state, a judge will have broader discretion to divide marital property and debt based on what they think is fair. A prenup is how you opt out and establish your own financial rules for the marriage.
What a prenup can actually do about debt A prenup gives couples a written instrument to change the defaults. For a quick refresher on the underlying mechanics, our premarital agreements primer walks through the basics.
On debt specifically, a well-drafted prenup can:
Designate pre-marital debt as separate. This locks in the baseline so a partner's existing student loans, credit card balances, or medical bills remain their responsibility.Define how marital debt is categorized. You can specify that debt taken on during the marriage in one partner's name stays with that partner, even in a community property state.Carve out specific categories. Business debt, tax debt, and debt related to one partner's separate property can be assigned to the partner who controls those assets. This allocation governs reimbursement between spouses but may not limit tax authority collection rights. Address commingling rules. California Family Code §911(a) provides that the earnings of a married person are not liable for a spouse's pre-marital debt if held in a separate, un-commingled account. A prenup can reinforce and extend that kind of practical separation.One important limit: a prenup binds you and your partner, not your creditors. If you co-signed a credit card or jointly took out a loan, the bank can still pursue both of you regardless of what the prenup says. What the prenup does is govern how debts are allocated between you in divorce, and provide reimbursement rights if one partner ends up paying a debt the prenup assigned to the other.
A prenup is a planning tool designed to keep separate debt separate while still letting you build a financial life together.
The four debt categories couples address most often Student loans Pre-marital student loans generally remain separate. The exposure increases for loans taken out during marriage, particularly in community property states. Couples often address graduate school loans (medical school, law school, MBA programs) taken on during the marriage because the borrowing spouse is the one whose earning power increases. A prenup can specify that the loan stays with the borrower. The actual tax treatment, including who may claim a deduction, credit, income item, refund, or liability, depends on federal and state tax law. We covered some of this in our post on student loans and pets in prenups .
Credit card debt Credit card debt is where state law tends to bite hardest. In community property states, a card opened during marriage and used by one spouse can still create joint liability between the spouses, even if only one name is on the account. A prenup can assign credit card debt to the cardholder who incurred it. Couples often pair this with a practical rule: joint expenses go on a joint card, individual spending stays on individual cards.
Medical debt Medical debt incurred before marriage is typically separate. Debt that arises during marriage is more complicated, particularly in community property states where one spouse's medical bills can become a community obligation. Couples sometimes address this by specifying that medical debt from pre-existing conditions stays with the patient-spouse, while acknowledging that catastrophic medical events during the marriage may be handled differently.
Business debt Business debt is the highest-risk category because creditors can pursue marital assets if a business fails, and because business obligations often blur with personal ones (personal guarantees, home equity lines used for working capital). A prenup can carve out business liabilities to the owner-spouse, and can specify that the non-owner spouse has no claim on the business and no responsibility for its debts. For founders, this is often the single most important clause in the agreement.
How to bring it up without making your partner feel judged The communication piece is where many couples get stuck. If your partner is carrying debt, raising the prenup conversation can feel like pointing at the thing they're already self-conscious about. There's a framing that tends to work better.
Start with the shared goal, not the imbalance. "I want us to be on the same page about money before the wedding" lands differently than "I want to protect myself from your debt." Both partners benefit from clarity. Both partners benefit from full disclosure. Both partners benefit from a written framework that doesn't leave the answer to a future court.
It also helps to acknowledge that the prenup will be a mutual document. A good prenup protects the partner with debt too, by clarifying that future earnings, gifts, or inheritance don't automatically become a pool that creditors of the other spouse can reach. We've written a longer guide on how to talk to your partner about a prenup that walks through the conversation in more detail.
If the wedding has already happened and you're now wondering whether you can still address this, you can. A postnuptial agreement can address similar topics, but the enforceability rules may be different and often stricter after marriage. Couples in this position should consult with independent legal counsel about a postnuptial agreement, particularly if creditors are actively pursuing one spouse. Our post on what happens if things change after your prenup covers some of the surrounding considerations.
Frequently Asked Questions If I marry someone with student loans, am I responsible for paying them? Pre-marital student loans generally remain the borrower's separate debt. The risk grows for loans taken out during marriage in community property states, where they may be treated as joint. A prenup can specify that student loan debt, before or during marriage, stays with the borrower and that the non-borrower spouse has no obligation to repay it.
Can a prenup protect me from credit card debt my partner runs up after we're married? Yes, between you and your partner. A prenup can designate that credit card debt belongs to the cardholder who incurred it, which a court will generally enforce in divorce if the prenup is valid and enforceable under state law. Note that creditors are not bound by your prenup; they can still pursue accounts you co-signed. The prenup governs how the debt is allocated between spouses, not whether the bank can collect.
We live in a community property state. Does that change things? It does. Community property states generally treat debts taken on during marriage as shared, even if only one spouse signed for them. California Family Code §910 and Arizona Revised Statutes §25-215 both reflect this default. A prenup is how you opt out of that default and keep separate debt separate, including debt incurred after the wedding.
What if my partner has medical debt or business debt? Both can be addressed in a prenup. Medical debt incurred before marriage is typically separate; business debt is higher-risk because creditors can pursue marital assets if a business fails. A prenup can carve out business liabilities to the owner-spouse and clarify that the non-owner has no claim on, or responsibility for, the business.
Will a prenup feel like I'm punishing my partner for their debt? Many couples find the opposite. A prenup forces an honest conversation about money before the wedding and gives both partners the same protections in writing. Framing it as a shared plan tends to land better than framing it as a one-sided shield. The disclosure process itself often relieves the partner with debt, because the topic is finally on the table.
Can we add debt protection after we're already married? A postnuptial agreement can address debt after the wedding. It operates under a similar legal framework to a prenup, with the same disclosure and fairness requirements. Couples in this position should consult with independent legal counsel about a postnuptial agreement, especially if new debt has arrived or creditors are already involved.
Where to go from here If you and your partner are sorting out how to handle debt before the wedding, First was built for exactly this kind of conversation. A prenup gives you a written framework so neither of you has to guess what your state's default rule would do. Our prenup checklist is a good starting point when you're ready, and you can begin on your own timeline.
Methodology These figures are drawn from the Federal Reserve Bank of New York's Quarterly Report on Household Debt and Credit, Q4 2025 (released February 10, 2026), which is based on the New York Fed's Consumer Credit Panel, a nationally representative sample drawn from anonymized Equifax credit data. State law citations reference the Arizona Revised Statutes and California Family Code as of 2026.
Sources First is not a law firm. The information and tools provided by First on this site are not legal advice and not a substitute for the advice of an attorney.
