Why this strategy works
Credit reports inherit account history when you're added as an authorized user. Your kid's empty file becomes a file that includes your oldest credit card — its account age, its perfect payment history, its low utilization. The FICO and VantageScore models both count this as if it were the kid's own history.
The practical impact: a 16-year-old with no income, no credit history, no existing accounts, can have a 720+ FICO score by being added to a parent's card that's been open for 10+ years with on-time payments. That score gets them approved for their own first card at 18 instead of being denied for three more years.
The downsides are real but manageable: if you (the primary) run up a balance, your kid's score takes a hit too. If the kid gets physical access to the card and spends recklessly, you owe the bill. Both are avoidable — see the implementation section.
Which issuers report authorized users
Not every issuer sends AU data to the credit bureaus. The ones that reliably do (as of late 2025):
| Issuer | Reports AUs? | Min AU age | |---|---|---| | Chase | Yes, all 3 bureaus | None | | American Express | Yes (after 60-day delay) | 13 | | Capital One | Yes, all 3 bureaus | None | | Discover | Yes, all 3 bureaus | 15 | | Citi | Yes, all 3 bureaus | None | | Bank of America | Yes, all 3 bureaus | None | | Wells Fargo | Yes, with caveats | None | | US Bank | Yes | None | | Barclays | Mixed reports | None |
Some smaller credit unions and store cards don't report AUs at all. If you're using an obscure card as the AU vehicle, call the issuer and confirm "do you report AU activity to all three bureaus?" before adding the kid.
The 60-day delay on Amex is notable — Amex doesn't add AUs to the bureaus immediately. Plan around that if you're trying to time the AU lift to a specific event.
When to start
There's no objectively right age. Some considerations:
Start younger (13–15): Maximum credit-history runway by age 18. By the time the kid applies for their first card or rents their first apartment, they have 5+ years of account age inherited. Score will be solidly in the 700s.
Start older (16–17): Less runway but smaller risk of the relationship dynamics getting awkward. Some parents find that adding a younger teen to a credit card sends a "this is yours to use" signal that they don't want yet.
Start at 18: Simultaneously add them as AU and have them apply for their own first card (typically a Discover It Secured or Capital One Quicksilver Secured). The AU history immediately appears on their first credit report.
The wrong answer is "never." A 22-year-old with no credit history at all faces 3+ years of secured-card grinding to build a usable score. The AU strategy bypasses that entirely.
What card to AU them on
The criteria, in order:
- Account age. Older is better. Your 15-year-old American Express Blue from 2010 is gold. A card you opened last year is much less useful.
- Utilization. The card should run at under 30% utilization consistently. If you carry balances or max out the card monthly, the AU inherits that — which hurts more than helps.
- Payment history. Perfect. One missed payment 5 years ago is OK; ongoing lates is a no-go.
- Issuer reports AUs. See the table above.
- No annual fee. Or low AF. You don't want to pay $795 for a Reserve just to make your kid an AU.
The ideal candidate is a no-AF or low-AF card you've held for 8+ years with perfect payment history. Common picks: Amex Blue Cash Everyday, Chase Freedom (old or original), Citi Double Cash, Cap One Quicksilver. Any one of those, held long-term, is the right vehicle.
Don't AU them on:
- A card you just opened (zero account age to inherit).
- A card you carry balances on (utilization drag).
- A high-AF premium card (you're paying for the AU's perks they don't need).
- A business card (most business cards don't report AUs to the personal credit bureaus).
Implementation: do you give them the physical card?
Adding them as AU and giving them the physical card are two separate decisions. Most issuers let you order the AU card to your address rather than the AU's. Some let you decline the physical card entirely.
The conservative approach:
- Add as AU online. Takes 5 minutes.
- Order the physical card to your address. Keep it in a drawer.
- The kid never sees the card. They get the credit benefit without the spending temptation.
- At age 16 or 17, give them limited access — emergency-only use, small monthly grocery run, etc.
- At age 18, they apply for their own first card and you can remove the AU listing whenever feels right.
If you want to teach financial responsibility through actual card use, the AU strategy still works — but you're trading off the "zero risk" version for a teaching opportunity. Both are valid; pick consciously.
Removing the AU listing
When the kid has their own established credit (typically by age 22–24), you can remove the AU listing. Why and how:
Why remove: their own credit profile should stand on its own by adulthood. The AU history will eventually fall off naturally if they ever change their address from yours (some bureaus stop reporting on AUs to addresses other than the primary's).
How: call the issuer or use online account tools to remove the AU. The next reporting cycle (typically 30–60 days), the account vanishes from the AU's credit report. Sometimes it lingers — request a free credit report 90 days after removal to confirm.
Timing the removal: never within 30 days of a credit application the AU is making. The temporary score dip from losing the inherited history would tank the application.
The remove timing rule: wait 3+ months after their last credit application, and 3+ months before their next one.
What this strategy will not do
Be honest about the limits:
- Won't compensate for no income. A 19-year-old with a 720 inherited score and no W-2 still gets denied for premium cards. Income matters.
- Won't build their own payment history. The AU inherits your payment history. They need their own account to build theirs.
- Won't get them approved for a Sapphire Reserve at 21. Premium cards check income, employment, and on-file credit utilization that AU history doesn't fully address.
- Won't fix poor credit decisions later. If they max out their first card at 22, the AU benefit gets swamped by the new utilization.
The AU strategy is a head start, not a cheat code.
The "give them a debit card" alternative
A common counter to AU strategy: just give them a debit card and teach them money management without credit reporting. Reasonable, but it doesn't build credit. The two approaches solve different problems:
- Debit card / cash: teaches spending discipline. No credit history.
- AU on parent's credit card: builds credit history. Doesn't teach spending discipline if the kid never sees the card.
Most families end up doing both — a debit card or teen banking app (Greenlight, Chase First Banking) for daily spending, plus an AU listing for credit-building.
The "have them get a secured card at 18" alternative
A secured card (Discover It Secured, Capital One Quicksilver Secured) is a credit-building card where the cardholder deposits a security amount and gets a credit line equal to it. It builds the kid's own credit history.
The downside vs AU strategy: starts the clock at 18. The kid won't have 5+ years of account history by 19; they'll have one year.
Best practice: do both. AU listing through the teens, then secured card at 18 to start building their own primary credit. By 20, they have 7+ years of inherited AU history plus 2 years of their own. That's a 740+ FICO without ever having had a job in finance.
Two-card strategy for ages 22-25
By age 22–24, the kid should:
- Have their own primary card (no AF cash-back card, ideally with a welcome bonus).
- Still be AU on the parent's card if the parent's card is older.
- Be considering removing the AU listing in the 18-month window before any major credit application (mortgage, auto loan).
At 25, the AU listing has typically delivered its full value. The kid has their own established history, the inherited account is now redundant. Remove the AU and let their profile stand on its own.