Should You Pay Off Student Loans or Invest? A Guide for New Grads

You just crossed the stage, your first real paycheck is on the way, and right behind it comes your first student loan statement. So should you throw every spare dollar at the loans, or start investing? Paying off debt feels safe and final. Investing feels like the smart, grown-up move you were told to start as early as possible.

The honest answer is that it depends on the numbers, and once you see how the math actually works, the decision gets a lot easier. This piece walks through a simple framework to help you decide, plus a few situations where one path often wins.

Start with one number: your interest rate

Before anything else, find your loan’s interest rate. For federal student loans disbursed between July 1, 2025 and June 30, 2026, the undergraduate rate is 6.39% and the graduate rate is 7.94%. Federal rates are fixed for the life of the loan, so if you borrowed earlier, your rate is whatever was set then.

That single number is the hurdle every other dollar of yours has to clear. If your loan charges 6.39% a year, an extra $100 toward principal is essentially a guaranteed 6.39% return on that $100. No market risk, no tax bill, no waiting.

Investing is not guaranteed. The long-term average annual return of the U.S. stock market has been roughly 10% per year before inflation, or closer to 7% after inflation, but in any given year it could be up 25% or down 20%. So: do you expect to earn more on the investment than your loan is costing you, after risk and taxes?

The simple rule of thumb

A good starting point looks like this:

1. If your loan rate is higher than what you can reasonably expect to earn investing, leaning toward paying the loan down faster often makes sense. An 8.94% graduate PLUS loan is expensive debt. Knocking it out is hard to beat.
2. If your loan rate is lower than what you can reasonably expect to earn investing, the math usually favors investing the extra money and making your normal payment.
3. If they are close, like a 6% loan vs. a 7% expected return, the gap is small enough that other factors matter more than the math alone.

For a deeper look at refinancing, the avalanche method, Public Service Loan Forgiveness, and other repayment strategies, our earlier guide breaks each one down: 7 Ways to Strategically Pay Off Student Loans.

Don’t skip the free money

Before going all-in on either path, one move almost always wins: capture any employer match on your 401(k), the workplace retirement account most companies offer. If your company matches 100% of the first 4% you contribute, that is an instant 100% return on those dollars. No loan rate and no realistic investment return competes with that.

For most new grads, the order looks like this. First, contribute enough to your 401(k) to get the full match. Second, build a small emergency fund (one to three months of expenses is a fine start). Third, make at least the minimum loan payment so nothing goes delinquent. After that, the rate comparison above tells you where the next dollar goes.

Where personal values come in

The math is only half the conversation. The other half is how you feel about debt. Some people sleep better knowing the loans are gone, even if the spreadsheet says investing would have built more wealth. That is not irrational. Peace of mind has real value, and a clean balance sheet can change how you make career and life decisions in your 30s.

Others see student loans as a fixed cost they can manage for a decade and would rather put their twenties to work compounding. That is a legitimate choice too. The key is to make the call on purpose, with the numbers in front of you, and not by default.

The answer changes when you zoom out

One reason this question is harder than it looks: the right answer rarely lives in one column. Loans and investing are two of the four quadrants we look at for every client: tax, legal, insurance, and investments. The order can shift once you factor in tax-advantaged accounts like a Roth IRA, your future tax bracket, your emergency reserves, and whether your loans are federal or private. A clean rate-vs-return comparison is a great starting point, but it is rarely the whole answer.

If you are on the path to a high-earning career

If you graduated into a high-paying career, the math gets more interesting. A surgeon, attorney, or tech engineer with $200,000 in graduate loans is in a very different spot than a teacher with $30,000 in undergraduate loans. The right answer often involves coordinating loan strategy with tax planning, retirement contributions, and what we call “future you” planning.

Many new grads in those careers grow into what we call HENRYs, High Earners, Not Rich Yet, by their 30s. If that sounds like your trajectory, our Ultimate Financial Guide for HENRYs walks through how to turn a strong income into long-term wealth, including how to think about student loans alongside everything else.

The bottom line

Paying off student loans and investing are not opposites. The smartest strategy usually borrows from both. Compare your loan rate to what you can reasonably earn investing, capture any employer match first, then make a choice that fits the math and the relationship you want with debt.

The first paycheck and the first loan statement are the start of a long financial life. Getting these early years right matters less for the dollars at stake today and more for the habits and clarity you build for the decades ahead.

If you would like a second set of eyes on your numbers, our team is happy to walk through it with you.

Sources

https://www.investopedia.com/terms/s/student-debt.asp

https://www.investopedia.com/how-to-pay-off-your-student-loans-4772422

This information is provided as general information and is not intended to be specific financial guidance.  Before you make any decisions regarding your personal financial situation, you should consult a financial or tax professional to discuss your individual circumstances and objectives. The source(s) used to prepare this material is/are believed to be true, accurate and reliable, but is/are not guaranteed.