14+ Unique Ways How Old Do You Have To Be To Build Credit. Legally, you must be 18 (11). This is because if you are younger than 21 and have a bad credit.

If you are wondering how to establish credit at 18, you have come to the right place. And that can include things like credit card agreements. If you see an error, report the mistake to the major credit reporting bureaus.
Make Sure There Are No Inaccuracies.
The general rule of thumb is to keep your credit utilization rate below 30%. How old do you have to be to get a credit card? Even after you turn 18, the credit card act of 2009 states you'll need to have either proof of independent income or a cosigner over the age.
Most Cards Allow Authorized Users Younger Than 18;
Secured credit cards are a great way to build credit if you have none. You need to be 18 years of age or above to get a credit card. “although your child is eligible to be added as an authorized user, some even as fast as the day they are born with some banks, i don’t see the urgency to do it before your child is old enough to.
For Example, Discover Requires That Authorized Users Be At Least 15 Years Old.
Even though the concept of credit might seem complicated at the age of 18, starting early with credit cards can give you an upper hand in the long run of your financial life. Here's what you need to know. Additionally, you can become an authorized user on someone else’s credit card in order to build credit.
You Can Access Your Credit Score For Free By Using Chase Credit Journey.
Keep tabs on your credit report and score. There are still some other requirements that you have to meet in order to be suitable for a credit card. In order to get a credit card, you must be at least 18 years old and have a source of income.
But Otherwise, Unless You Are Legally Emancipated, You Probably Can't Open A Credit Card At Age 17 With A Credit Card Issuer.
You generally have to be at least 18 years old to open your own credit card. And if you’re under 21, there might be some extra requirements to get your own credit card. Building good credit takes time, and adults as young as 18 should consider starting immediately so they have plenty of time to build up (13).