What government bonds and securities are

A government bond is a loan you make to a government — federal, state, or local. When you buy a bond, you give money to that government, and it promises to pay you back with interest over a set period. A security is the official certificate or digital record proving you own that bond and have the right to those payments.

Governments issue bonds to raise money for specific things: building roads, funding schools, paying for infrastructure repairs, or covering budget shortfalls. Instead of raising taxes immediately, they borrow from people like you, then repay the debt over time. You earn interest — called the coupon rate — for lending your money.

The federal government issues Treasury bonds through the U.S. Department of the Treasury. States and cities issue municipal bonds. The mechanics are the same: you pay upfront, hold the bond for its term, and receive regular interest payments plus your original money back at maturity.

Key Takeaways

  • Government bonds are loans to a government that pay you interest over time, and the security is the official proof you own that bond.
  • The federal government issues Treasury bonds; states and cities issue municipal bonds, each backed by different revenue sources.
  • You can buy bonds directly from the government (through TreasuryDirect for federal bonds) or through a bank or broker.
  • Bonds are considered lower-risk investments because governments have the power to tax and print currency, but they still carry interest-rate risk and inflation risk.
  • The longer the bond term, the higher the interest rate usually is, because you are locking up your money for more years.

How bonds pay you back

When you own a bond, you receive two types of payments. Coupon payments are regular interest payments — usually twice a year — that the government sends you while you hold the bond. The coupon rate is set when the bond is issued and does not change, even if interest rates in the broader economy rise or fall.

At maturity — the date the bond term ends — the government returns your original investment, called the principal. If you bought a $1,000 bond with a 3% coupon maturing in 10 years, you would receive $30 every six months for 10 years, then get your $1,000 back at the end.

You can also sell a bond before maturity on the secondary market (through a broker or bank). The price you get depends on current interest rates and how much time is left. If new bonds are paying higher rates, older bonds paying lower rates sell for less than face value. If new bonds are paying lower rates, older bonds sell for more.

Types of government bonds and their terms

The federal government issues three main types of Treasury securities, each with a different maturity length. Treasury bills (T-bills) mature in one year or less and pay no coupon — you buy them at a discount and receive the full face value at maturity. Treasury notes mature in 2 to 10 years and pay coupons twice a year. Treasury bonds mature in 20 or 30 years and also pay coupons twice a year.

Municipal bonds are issued by states, cities, and local authorities to fund schools, water systems, highways, and other projects. They work the same way as Treasury bonds but are backed by local tax revenue or project income rather than federal taxing power. Many municipal bonds offer tax advantages — the interest you earn may not be subject to federal income tax, and sometimes state and local tax too.

The longer a bond's term, the higher its coupon rate usually is, because you are accepting more risk that inflation will erode the value of your money over time. A 30-year Treasury bond pays more interest than a 2-year note.

Where to buy government bonds

For federal Treasury securities, you can buy directly from the U.S. Department of the Treasury through TreasuryDirect, a free online platform. You set up an account, link a bank account, and bid on new bonds at Treasury auctions. There are no fees, and you own the bonds in your name.

You can also buy Treasury bonds through a bank, brokerage firm, or financial advisor. They charge a fee or markup, but they handle the paperwork and may offer more flexibility in choosing which bonds to buy. Some brokers let you buy bonds on the secondary market — existing bonds that other investors are selling.

For municipal bonds, you typically buy through a broker or financial advisor, since there is no direct-to-public sales platform like TreasuryDirect. A broker can help you find bonds issued by your state or municipality and explain the tax benefits.

Why bonds are considered lower-risk

Government bonds are generally viewed as safer than stocks because governments have the power to tax their citizens and, in the case of the federal government, to print currency. Default — failing to pay back a bond — is rare for the U.S. federal government and most state governments with strong finances. This is why Treasury bonds are often called "risk-free" in financial discussions, though that term is not literally accurate.

However, bonds do carry real risks. Interest-rate risk means that if you sell a bond before maturity and interest rates have risen, you will receive less than you paid because new bonds are paying more. Inflation risk means that if inflation rises faster than your coupon rate, the purchasing power of your interest payments shrinks. A bond paying 2% interest loses value if inflation hits 4%.

Municipal bonds carry an additional risk: the financial health of the issuing government. A city or state with declining tax revenue or rising debt may struggle to pay its bonds. Before buying a municipal bond, check the issuer's credit rating through agencies like Moody's or Standard & Poor's.

How bond prices move with interest rates

Bond prices and interest rates move in opposite directions. When the Federal Reserve raises interest rates, new bonds are issued with higher coupon rates. Existing bonds with lower rates become less attractive, so their prices fall if you try to sell them. When the Federal Reserve lowers rates, new bonds have lower coupons, so existing bonds with higher rates become more valuable and their prices rise.

This matters only if you sell before maturity. If you hold a bond until it matures, you always get your full principal back regardless of price fluctuations. But if you need cash and must sell early, you may receive less than you invested if rates have risen since you bought.

The longer a bond's term, the more its price swings when interest rates change. A 30-year bond's price will drop more sharply when rates rise than a 2-year note's price will, because the rate change affects more years of coupon payments.

Bonds as part of a household financial plan

Many homeowners and savers use bonds as a stable, predictable part of their overall finances. Bonds produce regular income without the daily price swings of stocks. They are often recommended for money you will need within a specific timeframe — for example, a Treasury note maturing in five years if you plan to make a large purchase then.

Bonds also serve as a hedge against stock market volatility. When stock prices fall, bond prices often rise (because interest rates typically fall during downturns), so holding both can smooth out your overall returns. The trade-off is that bonds pay less over long periods than stocks historically have.

If you are saving for retirement or a major expense and want predictable income with lower risk than stocks, bonds may fit your situation. Talk through your goals and timeline with a financial advisor to decide what mix of bonds and other investments makes sense for you.

Frequently Asked Questions

Can I lose money on a government bond?

If you hold the bond until maturity, you get your full principal back — you cannot lose money that way. But if you sell before maturity and interest rates have risen, the bond's market price will be lower than what you paid, so you would take a loss. You also lose purchasing power if inflation outpaces your coupon rate.

What is the difference between a Treasury bond and a municipal bond?

Treasury bonds are issued by the federal government and backed by the full taxing power of the United States. Municipal bonds are issued by states, cities, and local authorities and backed by local tax revenue or project income. Municipal bonds often offer tax advantages — the interest may not be subject to federal income tax.

How do I know if a municipal bond is safe?

Check the issuer's credit rating through Moody's, Standard & Poor's, or Fitch. Higher ratings (AAA, AA, A) indicate lower default risk. Also review the issuer's financial statements and debt levels. A broker or financial advisor can help you understand the rating and the issuer's financial health.

Should I buy bonds directly from TreasuryDirect or through a broker?

TreasuryDirect is free and straightforward for new Treasury bonds at auction, but it offers limited flexibility — you cannot easily buy existing bonds on the secondary market. A broker charges fees but gives you more choices and handles the paperwork. For most people, TreasuryDirect works well for regular Treasury purchases; use a broker if you want more options.

What happens to my bond if the government shuts down?

Bond coupon payments continue during a government shutdown because they are legally required obligations. The government prioritizes debt payments even when other spending is halted. Your bond remains valid and you will receive your scheduled interest and principal payments on time.