bonds versus bond funds in retirement

In short

A friend of mine once told me he owned bonds, and then admitted he really owned a bond fund. He had never noticed the difference, and I do not think less of him for it. If you are saving for retirement, you will meet this choice sooner or later. A single bond has a date when the issuer must pay back your money. A bond fund has no such date, because it keeps buying and selling. That one fact changes what you can count on. Both carry costs and risks, and neither one is the wrong answer for every person. Learn what each does, then match it to what you need the money to do.

The whole of it

What it is

I once watched a neighbor lend a hundred dollars to his brother, write the repayment date on a scrap of paper, and tape it to the refrigerator. A bond works much the same way. When you buy one, you lend money to a company or a government. The issuer promises to pay interest on a schedule and to hand back your original money on a set date. That original amount is called the face value, and the set date is called maturity.

A bond fund is something else. If you are holding shares of one, you own a slice of a big pool of many bonds, run by a manager. The fund collects the interest from all those bonds and pays it out to the shareholders. Old bonds mature and new ones get bought. So the pool never ends. No single date arrives when the fund pays back your face value. Your shares are worth whatever the pool is worth on a given day, and that is the whole difference.

How it works

A friend of mine bought a ten year bond and then worried every time he read about interest rates. He need not have lost sleep. When rates rise, the price of a bond already owned falls, because new bonds pay more than the old one does. That is true for a single bond too. But if the owner holds it to maturity, the issuer still pays the face value, as long as the issuer does not default. Default means the issuer fails to pay what it owes. So a rise in rates dents the price on paper, and the owner is made whole at the end. Patience pays there.

A fund works differently. If you are in a bond fund when rates rise, the share price drops, and no maturity date waits to repair it. The fund does keep buying newer bonds that pay more, so its income can climb over time, though that takes a while. A fund also charges an expense ratio, which is a yearly fee taken as a share of your money. The fund company must disclose that fee in a document called the prospectus. Individual bonds have no such yearly fee. A broker may still mark up the price when you buy.

Funds bring things a single bond cannot. One fund holds hundreds of bonds, so one failed issuer hurts less. You can start with a small amount of money. Many people also find a fund easier to buy and sell, while a single bond can be harder to sell on short notice, and the price you get may be thin.

Income matters here too. A bond pays interest at a fixed rate, so the payments are known in advance. A fund pays out whatever its pool earns, and that amount can shift from month to month. Some retirees like the steady, known paycheck of a bond. Others like the hands off ease of a fund. Both are fair wishes.

The numbers, and where to find yours

You probably want to know what your own bond or fund costs and pays. For a fund, the prospectus lists the expense ratio, and the fund company posts it on its website. The SEC yield is a standard way funds report income, and the Securities and Exchange Commission requires funds to calculate it the same way. For a single bond, your confirmation statement shows the face value, the coupon rate, and the maturity date. The coupon rate is the fixed interest rate the bond pays each year on its face value.

Treasury bonds come straight from the government. The TreasuryDirect website, run by the U.S. Treasury, lets you buy them without a broker. For the tax side, the Internal Revenue Service publishes Publication 550, which covers investment income. Interest on a Treasury is taxed by the federal government but exempt from state and local income tax. Check Publication 550 and the Treasury for how your own case is treated. If you are saving inside a retirement account, the tax rules differ, so find out which kind of account holds yours. The yearly limit for putting money into an IRA is $7,500 for 2026 (source, checked 10/4/2026), and the site fills in the verified figure and date.

A worked example

Let me tell you about a woman named Margaret. She is sixty two and plans to retire in three years. She wants steady income from the bond part of her savings, and she has $100,000 to put to work.

Margaret first buys a single bond with a face value of $100,000 and a coupon rate of 4 percent. That is $100,000 times 0.04, which is $4,000 a year in interest. Ten years later, the issuer repays her $100,000, if it does not default. She knows each payment ahead of time.

Next, she thinks about a bond fund holding the same $100,000. Say the fund charges an expense ratio of 0.40 percent. That is $100,000 times 0.004, which is $400 a year in fees. Say the fund pays income at a rate of 4.2 percent before the fee. That is $100,000 times 0.042, which is $4,200. Subtract the $400 fee and she nets $3,800. The fund's income is close to the bond's, and a little lower here after fees.

Now watch what happens if rates rise. Suppose the fund share price falls 5 percent. That is $100,000 times 0.05, which is $5,000. Her $100,000 is now $95,000 on paper. If she needs cash that very year and sells, she locks in the loss of $5,000. With the single bond she can wait. The price on paper might also fall. At maturity, though, she still gets the full $100,000. So the bond gives her a sure endpoint, while the fund gives her flexibility and spread.

Neither choice is clever or foolish. Margaret simply asks when she needs the money. If she needs it on a known date, the single bond lines up well. If she values easy access and a wide spread of issuers, the fund fits. Same money, two paths.

Where it goes wrong

I once knew a man who bought a bond because the interest rate looked grand. He never asked why it paid so much. A high rate often signals a higher risk of default. Look at the issuer's credit rating, which grades how likely it is to repay. That is worth a look.

People also slip by treating a fund like a bond. They expect to get their face value back on a set date, yet the fund makes no such promise. Check the prospectus to see what it does promise. Another slip is ignoring the fee. A small yearly fee, kept up over many years, adds up to real money.

Some folks hold one bond from one issuer. That is risky, because a single failure hurts badly. And some buy a bond too long for their needs, then must sell early at a lower price. Watch the maturity date against your own calendar.

Inflation deserves a mention too. A fixed payment buys less each year as prices climb. A $4,000 check feels smaller in twenty years than it does today. Treasury Inflation Protected Securities adjust for this, and TreasuryDirect explains how they work.

Questions to answer before you leave this page

When do you need this money, and does a fixed date matter to you? Would you sleep better knowing the exact payment, or do you prefer the ease of a fund? What fee does your fund charge, and have you found it in the prospectus? Do you know the credit rating of the issuer behind your bond? Are you holding these inside a retirement account or outside one, and how does that change your taxes? Could you leave a bond until it matures if rates move against you? And does your plan guard against prices rising faster than your income?