In most of the United States, you can get a loan on your own once you turn 18. Alabama sets the age at 19, and Nebraska’s general age of majority is 19 but its statutes let 18-year-olds sign binding loan agreements. Federal student loans are the one broad exception with no minimum age at all, and credit cards carry their own extra rules until you turn 21.
Why 18 Is the Usual Threshold
A loan is a contract, and contract law requires both parties to have the legal capacity to be bound by it. In most states, you gain that capacity on your 18th birthday. Before then, you are a minor, and any contract you sign is “voidable” at your option: you could walk away from the debt, return whatever you bought, and the lender would have little recourse in court.
Picture a 17-year-old signing an auto loan for $20,000. Under the voidable-contract rule, that borrower could hand back the car and cancel the remaining balance. Lenders know this, which is why almost no bank or credit union will approve a loan for someone under 18 without a cosigner or a court order of emancipation. Once you turn 18, your signature becomes a permanent, enforceable commitment, and the lender can sue you if you default.
States Where the Age Is Different
Three states depart from the standard rule, and if you live in one of them the local statute is what governs whether your signature is enforceable.
- Alabama. The age of majority is 19. An 18-year-old is still legally a minor and generally cannot sign an enforceable loan agreement without a cosigner.1Alabama Legislature. Alabama Code Title 26 Chapter 1 Section 26-1-1 – Age of Majority Designated as 19 Years
- Nebraska. The general age of majority is 19, but state law specifically allows anyone 18 or older to enter into binding contracts, sign promissory notes, and grant security interests in real or personal property. In practice, 18-year-olds in Nebraska can take out loans.2Nebraska Legislature. Nebraska Revised Statute 43-2101
- Mississippi. State law generally defines a minor as anyone under 21, but for contracts involving personal property or real property, a minor is anyone under 18. An 18-year-old in Mississippi can sign a mortgage or a secured auto loan even though the broader age of majority remains 21 for other purposes.3Justia Law. Mississippi Code Title 1 Chapter 3 Section 1-3-27 – Minor
If you live in one of these states, check which age rule applies to your specific type of loan before assuming you cannot borrow.
Federal Student Loans Have No Minimum Age
Federal student loans are the biggest exception. There is no minimum age to receive federal student aid, and the Department of Education has confirmed this explicitly.4U.S. Department of Education. Adult Students – Federal Student Aid Financial Aid Toolkit The federal statute governing student eligibility lists requirements like enrollment in an eligible program and U.S. citizenship, but it does not include any age floor.5Office of the Law Revision Counsel. 20 USC 1091 – Student Eligibility
Congress also eliminated the “defense of infancy” for federal student loans in 1986. Under normal contract law a minor can void an agreement, but federal student loans work differently: even if you signed the promissory note before turning 18, you are legally bound to repay. You cannot use your age at the time of signing as a defense against repayment. A dependent student under 18 still completes the FAFSA with parental information and can receive Direct Subsidized or Unsubsidized Loans through the school’s financial aid office.
Private student loans do not get this treatment. They follow standard contract law, so the borrower or a cosigner must have reached the age of majority in their state. Because most student borrowers under 21 have limited credit history and income, private lenders typically require a creditworthy adult cosigner regardless of the borrower’s age.
Credit Cards Have Extra Rules Until Age 21
Turning 18 gives you contractual capacity, but credit cards add another federal layer on top. The Credit Card Accountability Responsibility and Disclosure Act of 2009 restricts how card issuers can approve applicants under 21. A card issuer cannot open an account for someone in that age group unless the applicant demonstrates an independent ability to make at least the minimum required payments.6eCFR. 12 CFR 1026.51 – Ability to Pay
In practice, an 18-, 19-, or 20-year-old applicant needs to show income, typically from a job or independent assets, high enough to cover the card’s minimum payments. The regulation lets issuers consider any income or assets to which the applicant has a “reasonable expectation of access,” but issuers may also limit their review to the applicant’s own independent income.6eCFR. 12 CFR 1026.51 – Ability to Pay If you cannot show enough income on your own, the alternative is applying with a cosigner who is at least 21. That cosigner takes on full legal responsibility for the balance, interest, and fees. Once you turn 21, these extra requirements fall away and you can apply based on standard creditworthiness criteria.
Cosigners and Emancipation for Younger Borrowers
If you are under the age of majority in your state, the two ways to borrow in your own name are with a cosigner or after being legally emancipated.
A cosigner who has already reached the age of majority signs the loan alongside you and becomes fully responsible for the debt if you cannot pay. Because the lender is really relying on the cosigner’s income and credit, the cosigner’s financial profile drives approval and the interest rate offered.
Emancipation is a court process that ends a parent’s legal authority over a minor and grants the minor many of the same legal rights as an adult. Once a judge issues an emancipation order, the minor generally gains the ability to enter into binding contracts, including loan agreements, that would otherwise be voidable. Emancipation does not guarantee identical treatment across every type of lending, though. For conventional mortgages, Fannie Mae requires that the borrower has “reached the age at which the mortgage note can be enforced in the jurisdiction where the property is located,” and whether an emancipated minor’s note is enforceable depends on state law.7Fannie Mae. General Borrower Eligibility Requirements
If you are emancipated, bring a certified copy of your court order to any lender during the application. The lender will still evaluate your creditworthiness, income, and debt-to-income ratio like any other applicant. Emancipation removes the legal barrier of minority, but it does not waive standard underwriting.
Building Credit Before You Can Borrow
You can start building a credit history well before you qualify to borrow on your own. The usual route is an authorized-user arrangement: a parent or guardian adds you to one of their existing credit card accounts, and you receive a card in your name. You are not legally responsible for the balance, but the account’s payment history may appear on your credit report.
The minimum age to become an authorized user varies by issuer. Some major issuers like American Express and U.S. Bank set the minimum at 13, Discover requires you to be at least 15, and Wells Fargo requires 18. Several large issuers, including Chase, Bank of America, and Capital One, do not publicly specify a minimum age. Not every issuer reports authorized-user accounts to the credit bureaus for minors, either. Chase, for example, does not report authorized-user history for cardholders under 18. Before setting up the account, the primary cardholder should confirm the issuer’s reporting policy so the effort actually shows up on your credit file.
By the time you turn 18 and apply for your own credit card or loan, you may already have several years of positive payment history on your report. That head start can make it easier to qualify without a cosigner and to receive better interest rates.
Lying About Your Age Is Fraud
Misrepresenting your age on a loan application is fraud, and the consequences go beyond simply having the loan canceled. A minor who falsely claims to be an adult to obtain credit can face civil and criminal liability. Courts in many states have held that a minor who commits actual fraud, meaning an affirmative false statement rather than just a failure to volunteer their real age, can be sued for the damages the lender suffers.
The traditional rule protecting minors from contract enforcement collides with the equitable principle that someone who commits fraud should not profit from it, and states resolve that collision differently. In some states, a minor who lied about their age can still void the contract but must return whatever they received or compensate the lender for losses. In others, the minor may be blocked from voiding the contract at all if the lender reasonably relied on the misrepresentation. Either way, lying on a loan application is a serious legal risk that can bring criminal charges for obtaining money under false pretenses and lasting damage to your ability to borrow in the future.