Savings bonds are debt securities issued by the U.S. Department of the Treasury. When you purchase a savings bond, you're essentially lending money to the federal government in exchange for a promise that they'll pay you back with interest over time. The Treasury has issued savings bonds since 1941, making them one of the longest-standing investment vehicles available to American citizens.
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Currently, the Treasury offers two main types of savings bonds for individual investors: Series EE bonds and Series I bonds. Series EE bonds earn a fixed interest rate that is set when you purchase the bond and remains the same throughout the life of the bond. Series I bonds, introduced in 1998, earn a composite rate made up of two components: a fixed rate and an inflation rate that adjusts every six months based on the Consumer Price Index.
Series EE bonds purchased after May 2003 are sold at face value. If you buy a $100 Series EE bond, you pay $100. The bond earns interest monthly, though the interest is not paid to you until you cash it in. Over 20 years, the Treasury guarantees that a Series EE bond will double in value if held to maturity—so that $100 bond becomes at least $200. After 20 years, the bond continues to earn interest for an additional 10 years, for a total possible holding period of 30 years.
Series I bonds offer protection against inflation, which makes them attractive during periods of rising prices. The inflation component adjusts based on the Consumer Price Index for All Urban Consumers (CPI-U). These bonds are also sold at face value and have a composite interest rate that combines a fixed rate and a variable inflation-adjusted rate.
Practical takeaway: Understanding the difference between these two bond types helps you recognize which educational material applies to your situation. Series EE bonds suit people with a long time horizon who want predictable growth, while Series I bonds appeal to those concerned about inflation eroding their purchasing power.
Modern savings bond purchases happen almost entirely online through TreasuryDirect, the official online platform of the U.S. Department of the Treasury. This represents a significant change from decades past, when people could buy bonds at banks and through payroll savings plans. As of 2012, paper savings bonds are no longer sold, though existing paper bonds remain valid and can be cashed in.
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To purchase bonds through TreasuryDirect, you need an account. The setup process requires a Social Security number or tax identification number, a valid email address, and a U.S. bank account for electronic transfers. Once your account is established, you can purchase bonds directly using funds from your checking or savings account. The minimum purchase is $25, and you can buy up to $10,000 in bonds per calendar year per bond type (so theoretically $20,000 total if you buy both Series EE and Series I bonds).
When you purchase a bond, the funds transfer electronically from your bank account to the Treasury. You receive no physical certificate or paper document—everything exists in digital form in your TreasuryDirect account. You can view your bond holdings, track interest earned, and manage your bonds entirely online.
The money you spend on bonds doesn't go into a general government fund; it becomes part of the national debt and helps finance government operations. In return, you receive the Treasury's promise to repay you with interest. This is fundamentally different from depositing money into a bank savings account, where a bank holds your funds and pays you interest.
One important consideration: once you purchase a bond, you cannot sell it to someone else. You can only redeem it back to the Treasury. This is one reason savings bonds are considered low-risk—you're dealing directly with the federal government, not a secondary market.
Practical takeaway: Before purchasing, understand that you'll need online access and a U.S. bank account, and your money will be tied up for at least one year (Series EE bonds have a one-year holding period before you can redeem them, and both types have penalties for redemption within the first five years).
Cashing in your savings bonds—the formal term is "redemption"—requires you to access your TreasuryDirect account and submit a redemption request. The process takes a few business days, and funds transfer electronically to the bank account linked to your TreasuryDirect account. You cannot redeem bonds at banks or other financial institutions; TreasuryDirect is the only official redemption channel.
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Timing matters significantly. Series EE and Series I bonds can be redeemed anytime after one year of ownership, but if you redeem within five years of purchase, you lose the last three months of interest. For example, if you've owned a bond for three years and redeem it, you actually receive the interest value from only two years and nine months. This penalty discourages short-term redemptions and encourages longer holding periods.
Series EE bonds continue to earn interest for 30 years, while Series I bonds earn interest for 30 years as well. However, after 30 years, the bonds stop earning interest, so holding them longer provides no additional benefit. Both bond types reach their final maturity at the 30-year mark.
Tax implications are crucial. Interest earned on savings bonds is subject to federal income tax. You have two options: report the interest annually as it accrues (even though you haven't received the money yet), or wait and report all interest in the year you redeem the bond. Most people choose the second option since it allows them to defer taxes. However, if you redeem the bond in a year when your income is high, you'll report more income that year and potentially owe more tax.
State and local taxes do not apply to savings bond interest—this is one advantage over other savings vehicles. The interest is only subject to federal income tax.
An important feature exists for education purposes: if you meet specific conditions and use bond proceeds for qualified education expenses, the interest on Series EE and Series I bonds may be excluded from federal income taxation. The conditions are detailed and specific, including income limits and timing requirements. A guide exploring savings bonds would outline these parameters so you understand whether this might apply to your situation.
Practical takeaway: Plan your redemption timing carefully. Consider whether redeeming in the current year versus a future year makes sense based on your income level, and remember that early redemptions (before five years) carry a three-month interest penalty.
Your TreasuryDirect account displays several pieces of information about each bond you own. The purchase price (or "issue price") is the amount you paid. The issue date is when you bought the bond. The series designates whether it's an EE or I bond. The denomination is another term for the face value or purchase price.
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The most important numbers are the interest rate and the current value. For Series EE bonds, you'll see one interest rate—the fixed rate that was in effect when you purchased the bond. As of late 2024, Series EE bonds earn 2.50% annually. This rate changes every six months on May 1 and November 1, so new purchases made at different times earn different rates. The bonds you already own maintain their original rate for the entire 30-year period.
Series I bonds display two rates: the fixed rate and the inflation-adjusted rate. The combination of these two creates your composite rate. For example, if the fixed rate is 1.30% and the inflation-adjusted rate is 3.12%, your composite rate is 4.42%. This composite rate is guaranteed for six months; then it recalculates based on the latest inflation data.
The current value listed in your account shows what you'd receive if you redeemed the bond immediately. This includes your principal (the amount you paid) plus all interest accrued to date, minus any applicable penalties. If you're looking at a bond you purchased six months ago, the current value would be slightly more than you paid. A bond you've owned for five years would show noticeably more interest.
Your TreaxyDirect account also displays the final maturity date—the date when the bond stops earning interest (30 years after purchase). Interest calculation for savings bonds is monthly. On the first day of each month, the Treasury calculates interest for the previous
This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.