TransUnion uses your credit score to predict whether you'll pay back borrowed money on time

Your TransUnion credit score is a three-digit number that lenders use to decide whether to lend you money and at what interest rate. TransUnion is one of three major credit reporting agencies in the United States — the others are Equifax and Experian. Each agency collects payment history, debt levels, and other financial data about you, then sells that information to lenders, landlords, employers, and insurance companies.

The score itself is a prediction tool. It tells a lender: "Based on this person's past behavior with debt, what's the chance they won't pay us back?" A higher score means lower risk, so you get better terms. A lower score means higher risk, so you pay more interest or get turned down entirely.

TransUnion doesn't decide whether you get a loan. The lender does. But the lender almost always uses your TransUnion score (along with scores from Equifax and Experian) as the starting point for that decision.

Key Takeaways

  • Lenders use your TransUnion score to decide whether to approve you for credit cards, mortgages, auto loans, and personal loans.
  • Landlords, employers, and insurance companies also check TransUnion scores to assess risk before renting to you, hiring you, or setting your rates.
  • Your TransUnion score is based on payment history, debt levels, length of credit history, credit mix, and recent credit inquiries — not income or employment.
  • You can request your TransUnion credit report for free once per year at AnnualCreditReport.com, which is the official government site.
  • Errors on your TransUnion report can lower your score unfairly, and you have the right to dispute them in writing.

Who actually looks at your TransUnion score

Banks and credit card companies are the most common users. When you explore for a credit card, mortgage, auto loan, or personal loan, the lender pulls your TransUnion score (usually along with Equifax and Experian) within seconds. They use it to decide your approval odds and what interest rate to offer you.

Landlords often check TransUnion scores before renting an apartment or house to you. They want to know whether you pay your bills on time. Some landlords use a score threshold — for example, they may require a score of 650 or higher.

Employers in certain industries — finance, government, security — may check your credit report as part of a background check. They're looking for signs of financial distress that might make you vulnerable to bribery or theft. A low score alone won't disqualify you in most cases, but it can be a red flag.

Insurance companies use credit information to set rates for auto and homeowners insurance. They've found that people with lower credit scores file more claims, so they charge higher premiums. This is called insurance scoring, and it's legal in most states.

What information makes up your TransUnion score

TransUnion calculates your score using five main categories of information from your credit report. Payment history — whether you pay bills on time — makes up about 35% of the score. Amounts owed (your total debt and how much of your available credit you're using) makes up about 30%. Length of credit history (how long you've had accounts open) is about 15%. Credit mix (having different types of credit, like cards and loans) is about 10%. Recent inquiries (when you've applied for new credit) make up about 10%.

Your income, employment, or savings are not part of your credit score. Neither is your age, race, gender, or marital status. TransUnion only looks at credit-related behavior.

The score does not include utility bills, rent payments, or medical debt unless those accounts have been sent to a collection agency. It also doesn't include late payments that are more than seven years old (or ten years for bankruptcy).

How TransUnion scores differ from Equifax and Experian

All three agencies use similar information — your payment history, debt, and account age — but they may have different data on file. One agency might have a record of a late payment that another doesn't. One might have an old account that another has already removed. This means your TransUnion score can be different from your Equifax and Experian scores.

Lenders often pull all three scores and use the middle one, or they may weight them differently depending on the type of loan. For a mortgage, some lenders use all three equally. For a credit card, a lender might rely more heavily on one agency's data.

Each agency also uses different scoring models. TransUnion's most common model is called VantageScore or FICO Score 8, but they offer other versions too. Equifax and Experian do the same. So even if all three agencies had identical information about you, your scores could still differ slightly depending on which model the lender uses.

How to get your TransUnion score and report

You have a legal right to one free credit report per year from each of the three agencies. Go to AnnualCreditReport.com, which is the official government site run by the three agencies together. You can request your TransUnion report there without paying. The site will ask you to verify your identity by answering security questions based on your credit history.

Your free report from AnnualCreditReport.com does not include your credit score — it only shows the information TransUnion has on file about you. If you want to see your actual score, you'll need to pay for it, or you can check it free through some credit card issuers and banks that offer score monitoring as a cardholder benefit.

Many websites offer free credit scores, but read the fine print. Some are legitimate; others are trying to sell you credit monitoring or other products. TransUnion itself offers free score monitoring through its website, though it may try to upsell you on paid services.

What to do if there's an error on your TransUnion report

Errors happen. A payment might be reported as late when you paid on time. An account might be listed twice. A debt might appear after it's been paid off. These errors can lower your score unfairly and cost you money in higher interest rates.

If you find an error, you have the right to dispute it with TransUnion in writing. Send a letter to TransUnion's dispute department (the address is on your credit report) and include a copy of the document that proves the error — a bank statement, a paid receipt, or a letter from the creditor. TransUnion must investigate within 30 days and remove the error if it's wrong.

You can also dispute errors online through TransUnion's website, though a written letter creates a paper trail. Keep copies of everything you send.

How long negative information stays on your TransUnion report

Late payments stay on your report for seven years from the date you first missed the payment. Accounts in collections also stay for seven years. Bankruptcy stays for seven years if it's Chapter 13 (reorganization) or ten years if it's Chapter 7 (liquidation).

After the time period expires, TransUnion must remove the information. However, the creditor can still try to collect the debt if the statute of limitations hasn't passed in your state — that's a separate legal timeline that varies by state and type of debt.

Positive information (on-time payments, low balances) stays on your report indefinitely and helps your score. Accounts you close stay on your report for ten years if they're in good standing, which is why closing old credit cards can sometimes hurt your score — you lose the benefit of that long history.

Frequently Asked Questions

Can I see my TransUnion score for free?

Your free annual report from AnnualCreditReport.com shows your credit information but not your score. Some credit card issuers and banks offer free score monitoring to cardholders. TransUnion also offers a free score tool on its website, though it may encourage you to buy additional services.

Does checking my own TransUnion score hurt it?

No. When you check your own score, it's called a "soft inquiry" and doesn't affect your score. Only "hard inquiries" — when a lender pulls your score because you applied for credit — can lower your score slightly and temporarily.

What's a good TransUnion credit score?

Scores range from 300 to 850. Generally, 670 and above is considered good, 740 and above is very good, and 800 and above is excellent. Scores below 580 are considered poor. However, different lenders have different standards, and some will lend to people with lower scores at higher interest rates.

Why is my TransUnion score lower than my Equifax or Experian score?

The three agencies may have different information on file about you. One might have a record of a late payment that another doesn't, or they might use different scoring models. Check all three reports at AnnualCreditReport.com to see where the differences are.

How quickly does my TransUnion score update?

TransUnion updates your report when creditors send them new information, which typically happens monthly. Your score can change within days of a payment or new account, but it can take 30 to 45 days for some changes to show up fully.