
How old do you have to be to get a debit card — and when should you?
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Key takeaways
Banks require customers to be 18 to get a debit card on their own, but you can get your child a debit card today. The more challenging question is when you should, and no age chart can answer that for you.
How old do you have to be to get a debit card?
Typically, you must be 18 to get a debit card, just as you would with a credit card. There is no federal minimum age for a debit card. Each bank sets its own minimum, and those minimums vary widely.
Account type | Typical minimum age | Account owner |
|---|---|---|
Standard checking account | 18 | Adult |
Teen checking, most banks | 13 | Parent and child, jointly |
Kid’s accounts at some banks | 8 | Parent |
Family finance apps, like Greenlight | No minimum | Parent |
Why age is only half the answer
Ask five parents when to give a kid a debit card, and you'll get five different ages. Age is a rough measure for whether your kid can handle money of their own, and there are two things that make the guessing trickier than it needs to be.
1. Money habits form earlier than most parents expect
Researchers at the University of Cambridge, reviewing the evidence for the UK's Money Advice Service, found that the cognitive foundations of adult money behavior, like self-control, planning ahead, and applying rules, are largely in place by around age 7.
This doesn’t necessarily mean your child’s money habits are built in by 7, just that the behaviors around them are becoming formed. Waiting until 16 for a debit card doesn't mean they’ll be super prepared, it just means the habits formed anyway, without practice.
2. Practice is the part that's missing
Kids can explain what a debit card does long before they can use one well. The gap between knowing and doing closes through repetition with real money and real consequences, not through explanation.
One question matters just as much as age: Where is your child right now in their understanding of money, and what are they ready to practice next?
The readiness ladder
The Consumer Financial Protection Bureau (CFPB) has mapped the three building blocks of adult financial capability and identified when each one develops. It's the clearest framework available for timing a first card.
Ages 3 to 5: Executive function
Self-control, working memory, and planning develop during these years. Your child is in the process of learning to wait, hold a goal in mind, and follow a rule when nobody is watching.
A card does nothing for a kid at this stage, but a clear savings jar and a "we're saving for that" conversation do.
Ages 6 to 12: Financial habits and standards
Kids in this range build the automatic rules they'll run on for decades. For example, check the price first, save some of it, and don't buy the first thing you see. The CFPB notes that kids absorb these habits mostly by watching parents and peers, not by being taught.
This is where introducing a debit card makes the most impact, because it turns an abstract rule into something your kid practices every week with money that belongs to them.
Ages 13 to 18: Financial decision-making
Teens learn to research and compare options, weigh tradeoffs, and plan months ahead. They need real stakes in order to do it, like a paycheck, a budget line they own, or a goal that takes six months to reach. A card at this stage isn't a teaching tool anymore. It's infrastructure.
Read the ladder as a sequence rather than a schedule. A card fits somewhere in the 6-to-12 band for most kids, because that's when it does the most work. If your kid is already 15, you haven't missed anything, there’s just less of a runway, so start now and move faster.
The debit card readiness checklist
Here’s what to look for when considering whether now is a good time for a debit card for your child.
Money sense
They know money runs out, because they've hit the bottom of their own money at least once and felt it.
They can roughly name the price of something they want.
They understand that money in an account is real money, and that using a card removes it.
Self-management
They finish things without being reminded, whether it's a chore, homework, or feeding the dog.
They can wait. They've saved toward something for more than a week instead of spending the money the day it arrived.
They tell you when something goes wrong rather than hiding it. This one matters more than the others.
Real need
They're regularly somewhere without you, whether at practice or with friends.
They're earning something, whether from allowance, chores, or a job.
They ask you to buy things often enough that "use your own money" would be the best answer.
If you get four or more yeses across the first two groups, plus at least one in the third, it's time. If you get fewer than four, the card will mostly sit unused, because the practice you want isn't available yet. Note that the third group is as much about your life as your kid's. A card solves a logistics problem too, and that's a legitimate reason to start.
You don't need a yes on everything
The checklist is a guide, not a gate. Most kids won’t be able to check all items on the list.
Erring on the side of caution may mean starting before your kid is fully ready, because the cost of a mistake rises every year you wait. Ron Lieber, author of “The Opposite of Spoiled,” explains that you want kids to make mistakes while they're still under your roof and the consequences are small. A wasted $30 at 12 beats a bad car loan at 19.
The mistake stays a $30 mistake, and you're there for the conversation afterward. That's the real case for starting earlier rather than later. The argument isn't that your kid is ready. It's that the training wheels are on.
What kids and teens do with a debit card
Greenlight's Annual Family Trends Report tracks how families use the app across a year of transactions and two surveys. Here are a few numbers worth knowing before you decide.
They learn from spending badly. In the survey, 92% of kids said they regret impulse buys. That regret is the lesson, and it exists only because the money was theirs.
They take your lead. While 93% of parents say their kids pick up their money habits, only 15% of families talk about money weekly. The habits transfer whether or not the conversation happens, and a card gives you something concrete to talk about.
They want to earn, not just receive. Ninety percent of kids said they'd rather earn money than be given it. In 2025, Greenlight kids completed 73 million chores, and teens took in $174 million in paychecks, up 40% year over year.
They start younger than you'd guess. The average age of a Greenlight kid who invests is 12. Kids also moved $66 million to friends through peer transfers, which is how their generation splits a check.
They save for real things. The top savings goal was a car, followed by college and a computer.
The first 90 days with a debit card
Getting the card may only take 10 minutes, but it takes longer to learn how to use it the right way.
Week 1: Load a small fixed amount, roughly a week of your child’s regular or allotted spending. Turn on notifications for both of you, and set the limits tight, since you can always loosen them later.
Weeks 2 through 4: Spend five minutes a week looking at the transactions together. It’s about more than just the numbers. Ask two questions: what was worth it, and what wasn't? When your kid buys something you think is foolish, say nothing and let the regret land on its own.
Month 2: Add a savings goal your kid chooses, with a real number and a date attached. Set up a recurring transfer so that progress happens without anyone thinking about it.
Month 3: Hand over a whole category, such as school lunch, gas, going-out money, or clothes for the season. Give your kid the full month's amount at once and let them pace it. Running out in week three is the most useful thing that can happen.
Loosen the limits as your kid earns the trust.
When to wait
There are some situations when holding off is the right call.
Your child is hiding things from you. Fix that first, because a card adds one more place to hide.
Money causes fights in your house. If every purchase turns into an argument, the card becomes another war zone. Get to steady ground first.
Your child has nowhere to use it. A card that won’t be used teaches nothing. Wait for the sleepover, the practice, or the walk to get food.
You're not up for the weekly check-in. The card won’t teach financial literacy on its own. If you don't have five minutes a week right now, that's fine, and you can start when you do.
Is your child ready for a debit card?
There’s no one-size-fits-all answer, but a few things can help you decide if your child is ready for a debit card. Here are some signs:
They understand the basics of earning, saving, and spending.
They have started asking for more independence with their money.
They can stick to limits and follow through on simple financial goals.
They’re curious about how digital or online payments work.
A debit card can be a great teaching tool, especially with built-in parental controls and safety features like Greenlight.
Greenlight lets parents keep the guardrails with spending limits by store and category, receive real-time spending notifications††, assign chores and pay allowance, create savings goals, and teach the ins and outs of the stock market with parent-supervised investing.
FAQs
What age should kids get a Greenlight card?
Most families start between 8 and 12. There's no minimum, so the decision is about readiness rather than eligibility. Run the checklist above. Kids under 8 usually do better with a savings jar and a goal they can see.
Can my kid have a debit card without a bank account?
Not exactly, though the practical answer is close to yes. Kids' debit cards sit on an account that you open and own. Your kid gets the card and the app, while you get the account and the controls. They don't need a bank account in their own name.
Do different banks have different age rules?
Yes, traditional banks usually set a floor at 13 for teen checking, while some go as low as 6 with a dedicated kids' program. Some family finance apps have no minimum, because the parent is the account holder.
What happens when my kid turns 18?
They can open an account in their own name and start building credit history. Most families keep the family account running through the transition rather than cutting over on the birthday.
What do I need in order to sign my child up for a debit card?
You'll need your name, address, and Social Security number, plus your kid's name and birthday. Some banks also ask for your kid's Social Security number or birth certificate.
¹The Greenlight® prepaid card is issued by Community Federal Savings Bank, member FDIC, pursuant to license by Mastercard International.
††Requires mobile data or a WiFi connection, and access to sensory and motion data from cell phone to utilize safety features including family location sharing and driving alerts and reports. Messaging and data rates and other terms may apply.
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