Yes, savings accounts earn interest, but the amount depends on the bank and the rate they set
A savings account earns interest when the bank pays you a percentage of the money you keep deposited there. The bank uses your money to lend to other customers or invest it, and they share a portion of what they earn with you. The rate they pay—called the annual percentage yield, or APY—varies widely. One bank might pay 0.01% APY while another pays 4.5% APY on the same deposit. The difference between these two rates means hundreds of dollars over time on a $10,000 balance.
Interest compounds, which means you earn interest on the interest you've already earned. If your account compounds daily, the bank calculates interest every single day and adds it to your balance. That new balance then earns interest the next day. Over months and years, compounding adds real money to your account without you doing anything.
Not every savings account earns the same rate. Banks set their own rates based on what the Federal Reserve does, what other banks are offering, and how much they want to attract deposits. When the Fed raises its benchmark rate, banks usually raise the rates they pay on savings accounts. When the Fed cuts rates, banks typically cut what they pay you.
Key Takeaways
- Savings accounts earn interest at a rate set by your bank, expressed as an annual percentage yield (APY), which can range from nearly 0% to over 4% depending on the institution.
- Interest compounds, meaning you earn returns on the interest already added to your account, which accelerates growth over time.
- Banks that operate online typically pay higher APY than brick-and-mortar banks because they have lower overhead costs.
- The Federal Reserve's interest rate decisions influence what banks pay, so rates rise and fall over time rather than staying fixed.
- A high-yield savings account at one bank may pay 50 times more interest than a standard savings account at another bank on the same dollar amount.
How interest rates are set and why they change
Your bank does not decide its savings rate in isolation. The Federal Reserve sets a benchmark interest rate—called the federal funds rate—that influences what banks charge for loans and what they pay on deposits. When the Fed raises this rate, banks have more incentive to pay higher rates on savings because they can charge more on loans. When the Fed cuts the rate, banks cut what they pay you.
Banks also watch what competitors are offering. If one bank raises its savings rate to 4.5% APY and you move your money there, the bank losing your deposit notices. During periods when banks are competing hard for deposits, rates climb. During periods when deposits are plentiful and banks do not need more money, rates fall.
Your bank's overhead also matters. An online bank with no physical branches spends far less on buildings, staff, and equipment than a traditional bank. That lower cost means they can pay you more interest on the same deposit. A brick-and-mortar bank might pay 0.01% APY while an online bank pays 4.5% APY—both are legitimate, but the online bank's business model allows higher rates.
The difference between standard and high-yield savings accounts
A standard savings account at a traditional bank typically earns between 0.01% and 0.05% APY. A high-yield savings account (HYSA) typically earns between 4% and 5% APY, though the exact rate changes as the Fed adjusts its benchmark rate. On a $10,000 deposit, the standard account might earn $1 per year while the high-yield account earns $400 to $500 per year.
The catch is that high-yield accounts usually come with requirements: you may need to maintain a minimum balance, limit the number of withdrawals per month, or open the account online rather than in a branch. Some require direct deposit. Read the terms before opening one, because a rate that looks attractive can come with restrictions that do not fit your situation.
Money market accounts and certificates of deposit (CDs) also earn interest, sometimes at rates higher than savings accounts. A money market account works like a savings account but may require a larger minimum balance and offer limited check-writing. A CD locks your money away for a set period—three months, one year, five years—in exchange for a may provide rate. If you withdraw early, you pay a penalty.
How compounding multiplies your interest over time
Compounding is the reason a savings account earns more than straightforward math suggests. If you deposit $5,000 at 4% APY and the bank compounds interest daily, here is what happens: on day one, the bank calculates 4% of $5,000 divided by 365 days, which is about $0.55. That $0.55 gets added to your balance. On day two, the bank calculates 4% of $5,000.55, earning you slightly more than $0.55. The difference is tiny, but it compounds every single day for a year.
After one year at 4% APY compounded daily, your $5,000 becomes $5,204.04. You earned $204.04 in interest. If you leave that money untouched for five years, it grows to $6,104.89. After ten years, it reaches $7,459.12. You never added another dollar, but compounding turned your initial deposit into significantly more.
The longer your money sits in the account, the more compounding works in your favor. This is why starting early matters, even with small amounts. A teenager who deposits $2,000 in a high-yield savings account at age 16 and never touches it will have roughly $2,960 by age 26, earning interest on interest the entire time.
What happens to your interest when rates fall
When the Federal Reserve cuts its benchmark rate, banks respond by lowering what they pay on savings accounts. This can happen quickly—sometimes within days of a Fed decision. If you have $50,000 in a high-yield savings account earning 4.5% APY and the Fed cuts rates, your bank might drop the rate to 4.0% APY within a week. Your interest earnings shrink when ready.
This is why the rate you see advertised is not permanent. Banks display their current rate, but that rate can change at any time without notice. Some banks lower rates gradually as the Fed cuts; others drop them all at once. You have no contractual right to keep the old rate—the bank can change it whenever they choose.
The one exception is a CD. When you lock money into a CD, the rate is fixed for the entire term. If you buy a one-year CD at 4.5% APY and the Fed cuts rates the next week, you still earn 4.5% for the full year. That may provide is why CDs sometimes pay slightly less than savings accounts—you are paying for certainty.
How to compare interest rates across banks
Comparing rates means looking at the APY, not just the interest rate. APY includes the effect of compounding, so it shows the true annual return. A bank advertising "4% interest" might actually pay 4.07% APY when you account for daily compounding. Always look for the APY number.
Websites like Bankrate, DepositAccounts, and the FDIC's BankFind tool let you search savings rates by state and account type. You can see what dozens of banks are currently paying without visiting each one. Rates change frequently, so check again before you open an account.
When comparing, also check the minimum balance requirement, any monthly fees, and how often the bank compounds interest. A bank paying 4.5% APY with a $25,000 minimum balance might not work for you if you have $10,000. A bank with a monthly fee might eat into your interest earnings. The highest rate is not always the best account for your situation.
Why some banks pay almost no interest
Traditional banks often pay 0.01% APY or less on savings accounts because they do not need to compete for deposits. They have established customer bases, physical locations, and other services (checking accounts, loans, credit cards) that keep people banking with them. A customer with a mortgage at the bank is unlikely to move their savings account elsewhere just for a slightly higher rate.
These banks also have higher costs. Maintaining branches, employing tellers, and offering in-person service is expensive. They pass some of that cost to customers by paying lower rates on deposits. It is a trade-off: you get convenience and personal service, but you earn less interest.
Online banks have no branches and no tellers. Their customers do everything through a website or app. This lower overhead means they can pay higher rates and still be profitable. If you do not need in-person banking, an online bank's higher rate can mean hundreds of dollars more in your pocket each year.
Frequently Asked Questions
Can I lose money in a savings account?
No, the bank cannot take money from your account. However, if inflation rises faster than your interest rate, the purchasing power of your money decreases. If you earn 1% APY but inflation is 3%, your money buys less next year even though the account balance is higher. This is why high-yield accounts matter during high-inflation periods.
Is the interest I earn taxed?
Yes. Interest earned in a savings account is taxable income. The bank will send you a 1099-INT form at the end of the year showing how much interest you earned, and you report that on your tax return. The amount of tax you owe depends on your tax bracket and total income.
What is the difference between APY and APR?
APY (annual percentage yield) includes compounding and shows the true annual return. APR (annual percentage rate) does not include compounding. For savings accounts, always look at APY because it is the real number. APR is typically used for loans and credit cards.
Do I need a minimum balance to earn interest?
It depends on the account. Some savings accounts require a minimum balance—often $500 to $25,000—to earn the advertised rate. If your balance falls below the minimum, you might earn a lower rate or pay a monthly fee. Read the account terms before opening.
How often is interest added to my account?
Most banks compound and credit interest daily, meaning they calculate it every day and add it to your balance. Some compound monthly or quarterly. Daily compounding is better for you because you earn interest on interest more frequently. Check your account terms to see how often your bank compounds.