Elena got three answers in one week
Elena is 27, and in the space of one week three different things turned up in her life that she did not go looking for.
On Tuesday she read her pay stub properly for the first time, because a coworker mentioned that the line marked FICA was mostly Social Security, and Elena had been paying into it for five years without once wondering what it bought her. On Thursday a coworker’s father cornered her at a birthday dinner to explain that he had bought something called an annuity and now received a check every month for the rest of his life. On Saturday she opened her 401(k), the retirement account her job offers, for the first time in a year and found that roughly a tenth of it sat in something labeled a bond fund, which she had never chosen and could not have described.
Three things, one week, and no obvious connection between them. A payroll tax, a retiree’s monthly check, a slice of a fund she did not pick. Elena filed them as three unrelated pieces of adult life she would get around to someday.
They are the same thing. All three are ways of turning money into an income you can count on, and all three work the same way underneath. Once you see how, the three stop being trivia and become a single idea you can carry into any product anyone ever pitches you.
All three move a risk onto someone else
Start with what you are holding right now. When money sits in your own hands, every risk attached to it is yours. It might lose value to inflation. It might be worth less on the day you need it than the day you set it aside. You might live longer than it lasts.
Each of the three takes one of those risks off your hands and gives it to somebody else. A bond hands the risk that you will not know what your money is worth on the day you need it to the borrower, who owes you a fixed amount on a fixed day. An annuity hands the risk of outliving your savings to an insurance company, which agrees to keep paying no matter how long you live. Social Security hands that same longevity risk, plus the risk that prices climb faster than your income, to the federal government.
That is the question worth asking about anything that promises you income: which risk does this take off my hands, and who is holding it now.
Read the bottom row first, and the rest follows.
The same money becomes income three ways. The rate is the small difference between them. The large one is which risk you hand off, who picks it up, and what you give up to make the trade.
| Source → | LendA bond | BuyAn annuity | EarnSocial Security |
|---|---|---|---|
| Paying in | A lump sum, once. You hand over the money and get a claim on it back. | A lump sum, or deposits built up over years, handed to an insurance company. | Payroll taxes, taken out of every paycheck you work. You do not choose the amount. |
| How long | A fixed term you pick up front, from four weeks out to thirty years. | A set number of years, or the rest of your life, depending on the contract. | The rest of your life, starting whenever you claim it. |
| Money back | Yes. The full face value lands on the maturity date. | Usually not. You trade the lump sum away in exchange for the checks. | No. There is no account with your name on it holding your contributions. |
| Prices | No, unless you choose an inflation-linked one. I bonds and TIPS adjust; ordinary bonds do not. | Only if you pay extra for a rider that raises the payment over time. | Yes. The benefit is reset each year against a consumer price index. |
| Who backs it | Whoever borrowed the money. On a Treasury, that is the federal government. | The insurance company, with your state guaranty association behind it. Coverage limits are set state by state. | The federal government, paid out of the payroll taxes being collected now. |
The rest of this guide takes the three columns one at a time, starting with the one you are most likely to have already met without noticing.
Lend it, and the money comes back
A bond is the plainest of the three. You lend money for an agreed length of time, you collect interest along the way or at the end, and on the maturity date you get the face value back. You are the bank. The borrower carries the risk that they still have to pay you on a date they agreed to in advance.
The version most readers meet first is government debt, because the borrower is the federal government. A Treasury bill runs 4 to 52 weeks and sells in $100 increments of face value, at a discount: you pay less than the face value and collect the full amount at the end, and the gap between those two numbers is your interest. The interest is subject to federal tax and exempt from state and local tax, which matters in a state with an income tax and is worth nothing in a state without one.
Two cousins of the ordinary bond are built to keep up with prices rather than ignore them. An I bond carries a rate with two parts, one fixed and one that tracks inflation, and that second part resets every May 1 and November 1. You can buy $10,000 of them per Social Security number per calendar year, they exist only in electronic form, and they are locked for the first 12 months. Cash one in before five years and you give up the last three months of interest.
Treasury Inflation-Protected Securities, or TIPS, work the other way around. The amount you put in rises and falls with a consumer price index, the government’s running measure of how fast prices rise. Terms run 5, 10, and 30 years, and at maturity you receive no less than what you originally put in. Same goal, two different levers: an I bond moves the interest rate, TIPS move the balance the interest is paid on.
A single bond held to maturity pays a known amount on a known day. A bond fund holds hundreds of bonds at once and has no maturity date of its own, so its share price moves as interest rates move, and it can fall in value while every bond inside it is paying on time. That is the difference between the bond slice sitting inside Elena’s 401(k) and a Treasury bill she might hold herself. The investment vehicles guide covers how fund wrappers behave.
Buy it, and the lump sum stays behind
The decision to buy an annuity belongs near the end of a working life. The sales pitch does not wait that long, which is the reason to understand one now rather than later.
An annuity reverses the direction of the bond. Rather than lending money and getting it back, you hand a lump sum to an insurance company and receive a stream of payments, often for the rest of your life. The insurer takes on the risk that you live a very long time. In exchange, the lump sum generally does not come back to you. You have converted a pile into a paycheck, and the conversion runs one way.
That trade has an honest use. Someone at retirement with savings and no pension may decide that a payment they cannot outlive is worth more to them than a balance they have to manage and ration. Insurance against living a long time is a real product solving a real problem, and the immediate income annuity is the plain form of it.
The annuity also has the worst reputation of the three, and the reputation is earned by a different version of the product. Contracts sold decades before retirement tend to carry layered fees and a surrender charge that penalizes you for changing your mind in the early years. Because annuities pay commissions, they get sold more often than they get asked for. If someone brings you one, the annuity-pitch lesson walks through the questions that separate the honest version from the expensive one.
One structural point distinguishes the annuity from its two neighbors. The promise rests on a private company staying solvent. Behind that company sits a state guaranty association, a safety net written into state law that covers benefits up to a cap if an insurer fails. The cap is written state by state, so the only reliable number is the one your own state publishes.
Earn it, and no account has your name on it
Social Security is the one Elena had already been buying for five years. The Social Security share of her FICA line is the purchase: a payroll tax deducted automatically and matched by her employer. Most pay stubs bundle that share together with Medicare, so the FICA line is the two of them added up rather than Social Security alone. Work about ten years and Social Security pays a monthly benefit from the time you claim it until you die.
It also pays before then, which is the part most people miss. The same payroll tax buys coverage if a disability stops you working, and benefits for a spouse or children if you die young. Two of the three things it insures could matter to you this year.
The common misunderstanding is worth naming plainly, because it changes how the whole thing reads. There is no account with Elena’s name on it holding her contributions. The taxes she paid this year went out as benefits to people collecting this year, and her own benefit will be paid by workers contributing then. What she is building is not a balance. It is a claim, calculated from her earnings history, and Social Security is best understood as insurance rather than savings. The Social Security guide covers how the benefit is figured and when to claim it.
That structure buys something the other two struggle to match. The benefit is reset each year against a consumer price index, so it climbs as prices climb. A bond pays a fixed amount that inflation erodes, unless you chose an inflation-linked one. An annuity payment holds flat unless you paid extra for a rider that raises it. Social Security carries that adjustment as a standard feature, which over a retirement lasting decades is a large difference.
What Elena hands over in exchange is control. She does not choose the amount, the timing of the contributions, or the rules. She also does not choose whether to take part. For almost everyone who works, paying in is a condition of the job rather than a decision — a minority of public employees, including teachers in some states, are covered by a state pension instead. That is the sharpest difference between this and the other two. A bond and an annuity are things you opt into. Social Security is something you are already in.
Every handoff costs you something
It would be easy to read the matrix as a ranking, with whichever one removes the most risk coming out on top. That reading is the one an eager salesperson wants, and it is wrong, because every transfer has a price.
Lend the money and you give up access to it for the length of the term. Buy the income and you give up the lump sum along with the ability to change your mind cheaply. Earn the benefit and you give up any say over the amount or the rules, including whether to be in it at all. Keep the money yourself in a savings account and you have given up nothing, which is precisely why a high-yield savings account remains the right home for an emergency fund and for money you may need on no notice. The emergency fund guide makes that case, and nothing here overrides it.
So the three are not competing answers to one question. Each one answers a different question about a different risk, at a different stage of life.
A bond is a loan that pays you back, an annuity is a paycheck you buy, and Social Security is a paycheck you earn. Those three sentences are the whole frame, and they will outlast any particular product.
None of them removes every risk
Each one leaves something uncovered, and knowing what is worth more than knowing the yield.
A bond protects you from price swings between now and its maturity date, and leaves you exposed to inflation over that stretch unless it is one of the inflation-linked kinds. It also leaves you exposed to the borrower, which is why who borrowed the money is the first thing to establish.
An annuity protects you from outliving your savings, and leaves you exposed to the insurer’s solvency, to inflation if you did not pay for a rider, and to the cost of changing your mind. The fees are the price of the protection, and they deserve to be read rather than assumed.
Social Security protects you from both longevity and inflation, and leaves you exposed to legislative change. It was also never built to be a whole retirement income on its own.
This guide explains how three things work. It does not recommend any of them, and nothing here is a suggestion to buy, sell, or avoid a particular product. What belongs in your own situation depends on your age, your timeline, your taxes, and obligations this page knows nothing about. For a recommendation, talk to a fee-only fiduciary, who is paid by you instead of by commission.
One thing to look up today
Two things to go look at.
Find the Social Security line on your most recent pay stub and note the number. Stubs label it differently: some say Social Security, some say OASDI, and some fold it into one line marked FICA alongside Medicare. If yours is the bundled kind, the Social Security piece is the larger of the two. If there is no such line at all, you are likely in one of the public-sector jobs named earlier that pays into a state pension instead, in which case the second step is the one for you. Multiplying that number out across a year is usually the moment the whole thing stops being abstract. The first paycheck guide explains the rest of the lines next to it, with the rates.
Then look up today’s I bond rate at TreasuryDirect. This guide quotes no rates on purpose, because the I bond rate changes every May 1 and November 1 and anything printed here would be stale within months. Looking it up yourself is the habit worth building, and noticing that the number has moved since you last checked teaches more than a figure on this page could.
Neither step costs anything or commits you to anything. Both turn one of the three from something you have heard of into something you have seen.
Sources
- TreasuryDirect — Treasury bills
- TreasuryDirect — Series I savings bonds
- TreasuryDirect — TIPS
- Social Security Administration — Retirement Benefits
- Social Security Administration — Cost-of-Living Adjustments
- SSA — Trends in Noncovered Employment Among State and Local Government Employees
- NOLHGA — Policyholder product coverage