What you earn depends on the bank, the account type, and the current rate environment
The interest rate on a savings account is set by each bank individually. There is no single answer—a savings account at one bank might pay 0.01% annual percentage yield (APY) while another pays 4.50% APY on the same day. The difference between these two accounts is enormous over time: on $10,000, the first earns $1 per year, the second earns $450.
Banks decide their rates based on what the Federal Reserve does, what competitors are offering, and how much they need deposits. When the Fed raises its benchmark rate, banks typically raise savings rates within weeks. When the Fed cuts rates, banks cut savings rates faster than they raised them. This means the rate you see today may not be the rate you earn six months from now.
The type of account also matters. A regular savings account usually pays less than a money market account or a certificate of deposit (CD) with the same bank. Online banks almost always pay more than brick-and-mortar banks because they have lower overhead costs.
Key Takeaways
- Savings account rates vary widely by bank and change frequently, so comparing rates across institutions is the only way to find the highest yield.
- Online banks typically offer higher rates than traditional banks because they operate with lower costs and pass savings to depositors.
- Your rate can drop at any time after you open the account, even if you locked in a high rate initially.
- Money market accounts and CDs often pay more than regular savings accounts, but may require higher minimum balances or lock up your money for a set period.
How to find the current rates banks are offering
The fastest way to see what's available is to visit bank websites directly and look for the savings account rate listed on the product page. Most banks display APY prominently, along with any minimum deposit required. You can check five to ten banks in 15 minutes this way.
Comparison sites like Bankrate, DepositAccounts, and NerdWallet aggregate rates from many banks and update them daily. These sites let you filter by account type, minimum balance, and whether you want FDIC insurance (which all legitimate banks offer). The rates shown are usually current within a few hours.
Call the bank's customer service line if the website rate seems outdated or if you want to confirm the rate applies to your situation. Some banks offer different rates based on your account balance or whether you're a new customer.
Why rates change and what happens to your money when they do
Banks raise and lower rates to stay competitive and to manage how much money flows in and out. When rates are high, more people open savings accounts. When rates drop, some people move their money elsewhere. Banks adjust rates to balance these flows.
Your existing balance earns whatever rate is in effect at the time the interest is calculated and added to your account. If you opened an account at 4.50% APY and the bank drops the rate to 3.00% APY three months later, your money already in the account continues to earn 4.50% until the rate change takes effect. After the change, new interest accrues at 3.00%.
Banks must notify you before lowering a rate, usually by email or mail. The notification typically gives you 30 days' notice. You can close the account and move your money to a higher-paying bank if you want, though you'll earn nothing during the time it takes to transfer.
The difference between APY and interest rate
APY (annual percentage yield) is the rate that matters to you. It includes the effect of compounding—the process where interest earned gets added to your balance and then earns interest itself. Interest rate (sometimes called the nominal rate) is the base percentage before compounding is factored in.
For savings accounts, compounding usually happens daily or monthly. If your account compounds daily, you earn a tiny bit of interest each day, and that interest immediately starts earning interest. Over a year, this compounding adds up to more than the base rate alone would suggest.
Banks are required by law to show you the APY, not just the interest rate, so you can compare accounts fairly. Always use APY when comparing two accounts—it's the true number.
How much you'll actually earn: examples at different balances
| Account Balance | At 0.01% APY | At 2.00% APY | At 4.50% APY |
|---|---|---|---|
| $1,000 | $0.10 per year | $20 per year | $45 per year |
| $10,000 | $1 per year | $200 per year | $450 per year |
| $50,000 | $5 per year | $1,000 per year | $2,250 per year |
| $100,000 | $10 per year | $2,000 per year | $4,500 per year |
These figures assume the rate stays the same for the full year and that interest compounds daily (which is standard). In reality, rates change, so your actual earnings will differ. The point is to show how much the rate choice matters: at $50,000, choosing a 4.50% account over a 0.01% account means earning $2,245 more per year.
The difference grows larger as your balance grows. Even small rate differences compound significantly over time, which is why comparing rates across banks before you deposit is worth the effort.
Why some banks pay almost nothing and others pay much more
Banks that pay very low rates (under 0.10% APY) are usually large, well-known institutions with many physical branches. They don't need to attract deposits aggressively because customers come for the convenience of nearby locations or because they already have accounts there. These banks can afford to pay less.
Banks that pay high rates (4.00% APY and above) are typically online-only operations with no branches. They have minimal overhead and compete entirely on rate. They need deposits to lend out, so they offer top rates to attract them. Some of these banks are subsidiaries of larger institutions—for example, Ally Bank is owned by a major auto finance company.
Credit unions sometimes offer competitive rates too, though they vary widely. Credit unions are member-owned, so they may prioritize member benefits over profit. Check your local credit union's rate if you're a member.
What to watch out for when comparing accounts
A high rate that applies only to new customers or only to balances above a certain amount may not apply to you. Read the fine print on the bank's website or call to confirm the rate you see is the rate you'll get.
Some banks offer promotional rates that last only a few months, then drop to a much lower rate. If the promotion period is short, calculate what you'll earn after the rate drops and compare that to a bank offering a stable mid-range rate. A 5.00% promotional rate for three months followed by 0.50% may be worse than a steady 2.50% rate.
Confirm the bank is FDIC-insured. This protects your money up to $250,000 per account if the bank fails. All legitimate banks are FDIC-insured, but it's worth verifying on the FDIC website if you're using a bank you've never heard of.
Frequently Asked Questions
Can I lock in a high rate so the bank can't lower it?
No. Savings account rates are variable, meaning the bank can change them at any time after you open the account. If you want a may provide rate, you need a certificate of deposit (CD), which locks in a rate for a set period (usually three months to five years). The tradeoff is that you can't withdraw the money without paying a penalty.
Do I pay taxes on savings account interest?
Yes. Interest earned on a savings account is taxable income. The bank will send you a 1099-INT form at the end of the year if you earned $10 or more in interest. You report this on your tax return. The amount is usually small unless your balance is very large or the rate is unusually high.
Is there a minimum balance required to earn interest?
It depends on the bank. Some banks pay interest on any balance, no matter how small. Others require a minimum balance (often $500 to $2,500) to earn the advertised rate. If your balance falls below the minimum, you may earn a much lower rate or no interest at all. Check the account terms before opening.
How often is interest added to my account?
Interest is usually calculated daily but added to your account monthly. Some banks add it quarterly or annually. The frequency doesn't change how much you earn in a year (that's determined by APY), but daily calculation and monthly deposits means your balance grows slightly faster than if interest were added less frequently.
What happens to my interest if I withdraw money mid-year?
You earn interest only on the money that was in the account during the time it was there. If you deposit $10,000 and withdraw $5,000 after six months, you earn interest on $10,000 for six months and $5,000 for the remaining six months. The APY is an annual rate, but it's calculated on your actual daily balance.