How to Improve Your Credit Score

Understanding the key factors of your score can help you boost it.

Margaret Giles 23 October, 2023 | 4:28AM
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Credit cards

Having a high credit score can open doors and save you money.

Whether you’re applying to rent an apartment or get a loan, your chances of success—and favourable terms—hinge on your credit score, or FICO score.

Consider a mortgage: If you have excellent credit, you could secure a loan with an interest rate that’s as much as 1.5 percentage points lower than someone with marginal credit. That could save you hundreds of dollars every month—thousands every year for the life of the mortgage. So, if you have a $250,000 15-year mortgage with a fixed interest rate of 8.5%, you’ll pay about $193,000 in total interest. If you get the same mortgage with an interest rate of 7%, those interest payments come out to around $154,000, saving you roughly $40,000 on the mortgage loan.

Credit scores are usually on a scale of 300 to 850, and your score can fluctuate often. In general, scores above 750 are considered excellent.

What Ingredients Go Into a Credit Score?

Here are the five primary factors that determine your FICO score, from most to least important:

1) Payment history of credit cards and loans

2) Amount of money you owe versus your total available credit

3) Length of credit history

4) New credit

5) Types of credit

Here are a few ways you can improve your credit score.

Check Your Credit Report and Fix Any Errors

Most errors on a report, such as duplicated information, incorrect addresses, or credit limit errors, don’t have a significant impact. But some can be bigger deals.

That’s why you should check your credit report at least once a year to make sure all the information is correct.

You’re legally entitled to a free report annually from each of the three major providers, Experian, TransUnion, and Equifax.

Start by checking the public records section of your credit report. If a lien or bankruptcy that isn’t yours shows up on your credit report, it’s probably having a severe impact on your credit score, and you should go to the public agency to get it corrected as soon as possible.

If you find a less significant error, such as a mistake in the identifying information or credit account data, you can dispute the information with the credit reporting agency. The credit agencies have online tools you can use to dispute incorrect information: Equifax, TransUnion, and Experian.

Build Your Payment History by Always Paying on Time

The biggest factor affecting your credit score is your payment history. Payment history looks at the number of past-due payments, how far past due they were, and how recently those late payments occurred. If you’ve had late payments in the past, they will affect your credit score less and less over time if you establish a history of dependable on-time payments.

The takeaway: Stay on top of due dates. Sign up for automatic bill pay if your credit card company has that option or set a reminder for yourself a few days before your payment is due.

Limit the Amount You Owe

The next biggest factor affecting your credit score is the amount you owe on your credit card(s). This factor considers the number of accounts with balances and how much of your total available credit you are using. Your credit utilization score is calculated by dividing the total amount of money you owe by your total credit limit. For instance, if you owe $3,000 and your credit limit is $10,000, you have a 30% credit utilization. Any percentage below 30% is considered good in terms of your credit score, but the lower the better.

The takeaway: When possible, treat your credit card like a debit card, and don’t spend more money than you have. Resist the temptation to spend up to your maximum credit limit.

Maximize Your Credit History by Keeping Long-Standing Accounts Open

Another contributing element is the length of your credit history. Keeping your oldest accounts open and in good standing can help your credit score. You’ll want to think carefully about closing your long-standing lines of credit.

Let’s say you decide you have too many credit cards and want to close one. You’re deciding between one you’ve had since 2004 and one since 2016. All things equal, it’s better for your credit score to keep the card with the longer history of on-time payments open. However, this shouldn’t be the only factor driving your decision. If the older card has a higher interest rate or annual fee, it could be better to close it.

The takeaway: If you feel confident that you can keep your spending down and pay on time, it’s a good idea to open a credit card as early as possible to start building your credit history. Your future self will thank you.

Open New Credit Wisely and Understand the Effect of Inquiries

Opening new lines of credit frequently can be an indicator of financial troubles, so it’s good to be mindful when you do it. New credit looks at the proportion of accounts that were recently opened, and the number and recency of new credit inquiries. Inquiries happen when you apply for a credit card, car loan, or other line of credit, and the provider requests your credit score. These credit checks are considered “hard inquiries” and can have an impact on your credit score.

Only inquiries that you initiate by applying for new credit count against your score, so checking your own score will not count against you. When you check your own credit score, or when an employer or landlord is conducting a background check, this is considered a “soft inquiry.” Soft inquiries have no effect on your credit score.

The takeaway: Choose your new lines of credit wisely, and consider the timing of when your credit score could take a hit.

Have a Mix of Credit Types

A borrower with a long history of responsibly managing a mix of credit types—such as a mortgage, a credit card, and an auto loan—will likely have a higher credit score than someone with just one type, all else equal. That said, your credit mix only accounts for 10% of your credit score.

The takeaway: Having a mix of credit types is a small piece of your overall credit score; stick with the credit lines that make sense for you.

How to Improve Your Credit Score If You’re Just Starting Out or You’ve Had Some Missteps

The options below could help you build good credit (but only if you always pay on time).

Get a secured credit card. A “secured” credit card is backed by a secured payment that’s used as collateral on the loan. Unlike a debit card, a secured credit card can help you establish and build credit. Make sure you understand the fees and conditions when applying for secured credit cards.

Consider an auto loan. Auto loans can be easier for subprime lenders to get than other types of loans. There are a few reasons for this: Data reveals that many people who default on other types of loans still tend to make their car payments to keep using their vehicle. Also, auto loans generally require a down payment and are considered “secured” because the car itself is collateral. The auto credit score used by auto lenders is different from the regular credit score, though it is also calculated by FICO. Many auto lenders base their lending decisions on your auto credit score, which is calculated primarily on your previous auto loan history and not your overall credit.


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About Author

Margaret Giles  Margaret Giles is a journalist for, based in Chicago

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