How Loan Interest Rates Work
Lenders determine interest rates based on several factors, including your creditworthiness, income, and the loan term. For federal student loans, rates are set by Congress annually, while private lenders set their own rates based on market conditions and your financial profile.
- APR (Annual Percentage Rate) includes both the interest rate and certain fees, giving you a fuller picture of the loan's cost.
- A lower interest rate means lower monthly payments and less total interest paid over time.
- Your credit score and income are the primary factors that influence personal and private student loan rates.
Federal Student Loan Interest Rates (Current and Historical)
Federal student loans are funded by the government and have fixed interest rates set each July for the upcoming academic year. For the 2026-2027 academic year, the rates are 6.52% for undergraduate subsidized and unsubsidized loans, 8.07% for graduate unsubsidized loans, and 9.07% for PLUS loans.
Historically, federal undergraduate rates have ranged from a low of 2.75% in 2020 to a high of 6.8% in 2006. The current 6.52% rate is near the higher end of that range.
- Federal undergraduate loans: 6.52% fixed (2026-2027)
- Federal graduate loans: 8.07% fixed (2026-2027)
- Federal PLUS loans: 9.07% fixed (2026-2027)
- In addition to interest, federal loans charge an origination fee: 1.057% for subsidized and unsubsidized loans, and 4.228% for PLUS loans.
Sources: BestColleges.com
Private Student Loan Interest Rates: Ranges and Factors
Private student loans are offered by banks, credit unions, and online lenders. These loans can have either fixed or variable interest rates, and the rate you're offered depends on your credit score, income, and whether you have a cosigner.
Advertised rates for private student loans in July 2026 ranged from about 2.39% to 17.99% for fixed rates, while variable rates could start as low as 3.75% but exceed 17% over time. These ranges are for the most creditworthy applicants; typical borrowers will see rates closer to the middle of the range.
For example, in April 2026, Bankrate reported fixed APRs from three major lenders: Earnest at 4.49% - 9.99%, LendKey at 3.98% - 9.24%, and SoFi at 3.99% - 10.99%.
Unlike federal loans, private student loans often require a credit check and may require a cosigner if you don't have an established credit history. Many private lenders also require you to make payments while you're still in school, whereas federal loans offer a grace period.
- Fixed rates: roughly 2.39% to 17.99% (as of July 2026)
- Variable rates: starting around 3.75% but can increase over time
- Your credit score, income, and cosigner availability are the biggest factors in the rate you'll receive.
Sources: University of Illinois Office of Student Financial Aid, BestColleges.com, Bankrate
Personal Loan Interest Rates: Ranges by Credit Score
Personal loans are typically unsecured loans used for various purposes, such as consolidating debt or covering unexpected expenses. The interest rate you're offered is heavily influenced by your credit score.
Based on Credible marketplace data from August 2025 through July 2026, average personal loan APRs vary significantly by credit score. Borrowers with excellent credit (800-850) saw average APRs of 9.86%, while those with poor credit (below 580) averaged 29.74%.
In August 2026, Credible reported personal loan rates from about 6.24% to 35.99% APR. For the week ending August 23, 2026, the average rate for borrowers with credit scores of 720 or higher was 14.47% for 3-year loans and 18.51% for 5-year loans.
- 800-850 credit score: average APR 9.86%
- 740-799: average APR 12.43%
- 670-739: average APR 19.22%
- 580-669: average APR 28.82%
- Below 580: average APR 29.74%
Sources: Credible
Fixed vs. Variable Rates Explained
Federal student loans always have fixed rates. Private student loans and personal loans may offer both fixed and variable options. Variable rates often start lower than fixed rates, but they carry the risk of rising in the future.
When comparing loans, consider not just the starting rate but how it might change over the term. A fixed rate provides stability, while a variable rate might save you money if rates stay low, but could cost more if they rise.
Sources: University of Illinois Office of Student Financial Aid, BestColleges.com
Other Costs That Affect the Total Loan Cost
In addition to interest, loans may come with fees that increase your overall cost. These include origination fees, late payment fees, and insufficient funds fees.
Federal student loans charge an upfront origination fee: 1.057% of the loan amount for subsidized and unsubsidized loans, and 4.228% for PLUS loans. Some private student loans and personal loans also charge origination fees, which can be as high as 10% or more.
When comparing loan offers, factor in all fees to determine the true cost. The APR (Annual Percentage Rate) includes both interest and fees, making it a useful tool for comparison.
- Personal loans: origination fees can be up to 10% or more (varies by lender).
- Federal student loans: 1.057% fee for subsidized/unsubsidized, 4.228% for PLUS.
- Late fees and insufficient funds fees can add to the cost if you miss payments.
Sources: BestColleges.com, Credible
How to Compare Rates Across Loan Types
When comparing personal and student loans, it's helpful to look at the range of rates for each loan type. Federal student loans typically have fixed rates between 5% and 8%, which are often lower than private student loan rates that can exceed 18%. Personal loan rates generally fall between 8% and 15% or higher.
However, the best rate for you depends on your creditworthiness.
Consider the loan's purpose, repayment terms, and flexible options. Federal student loans offer repayment protections and forgiveness options that private and personal loans do not. Personal loans might be a good option for debt consolidation or large purchases, but they typically have higher rates than federal student loans.
Use tools like loan calculators to estimate monthly payments and total costs, and always compare APRs, not just interest rates, to get a fair picture of the total cost.
- Federal student loans: fixed rates typically 5% - 8% (current 6.52% - 9.07% depending on loan type).
- Personal loans: rates generally 8% - 15% or higher, depending on credit score.
- Look at the APR, not just the interest rate, to include fees.
Sources: University of Illinois Office of Student Financial Aid, Broadview Federal Credit Union, BestColleges.com
Frequently asked questions
What is the average personal loan interest rate?
The average personal loan APR varies widely by credit score. Based on Credible marketplace data from August 2025 through July 2026, average APRs were 9.86% for borrowers with scores of 800-850, 12.43% for 740-799, 19.22% for 670-739, 28.82% for 580-669, and 29.74% for those below 580. In August 2026, overall advertised rates ranged from about 6.24% to 35.99% APR.
Sources: CredibleWhy are personal loan rates higher than student loan rates?
Personal loan rates are generally higher because they are unsecured loans with no collateral, and they are not backed by the government. Federal student loan rates are subsidized by the government and are set by Congress, often at lower levels than private market rates. Additionally, personal loans carry higher risk for lenders, so they charge higher interest rates to compensate.
Sources: University of Illinois Office of Student Financial Aid, Broadview Federal Credit Union, BestColleges.comHow can I get the lowest interest rate on a personal loan?
To get the lowest rate on a personal loan, improve your credit score, reduce your debt-to-income ratio, and maintain a steady income. The lowest rates are typically offered to borrowers with excellent credit (scores of 800 or higher), who saw average APRs around 9.86% in recent data. Shopping around and comparing offers from multiple lenders can also help you find the best rate.
Sources: Experian, CredibleDo private student loans have variable rates?
Yes, many private student loans offer variable interest rates, which can change over time based on market conditions. These rates can increase after the initial period, so be aware of how they might affect your payments.
Sources: BankrateWhat fees should I watch for when comparing loans?
Watch for origination fees, which are deducted from the loan amount and increase your effective cost. Federal student loans charge 1.057% for subsidized/unsubsidized loans and 4.228% for PLUS loans. Personal loan origination fees can be up to 10% or more, depending on the lender. Also be aware of late fees and insufficient funds fees.
Sources: BestColleges.com, CredibleHow often do federal student loan rates change?
Federal student loan interest rates are set annually and take effect on July 1 of each year for the following academic year. The rates are based on the 10-year U.S. Treasury note yield plus a fixed add-on percentage. So, your rate will depend on the year you take out the loan, and it will remain fixed for the life of that loan.
Sources: BestColleges.comSources
- Comparing Federal and Private Student Loans — University of Illinois Office of Student Financial Aid
- Personal Loans vs Student Loans: 2026 Comparison Guide — Broadview Federal Credit Union
- Average Student Loan Interest Rates — BestColleges.com
- Student loan interest rates in August 2026 — Bankrate
- Best Personal Loans for 2026: Check Rates & Apply Online — Experian
- Personal Loan Rates: Best Lenders of August 2026 — Credible