IRA interest depends on what you invest in, not on the account type itself
An IRA is a container for investments, not an investment itself. The interest or growth you earn comes from whatever you put inside it — a savings account, a CD, bonds, stocks, mutual funds, or a mix. A traditional or Roth IRA held at a bank might earn 4% to 5% annually in a high-yield savings account right now. The same IRA at a brokerage might earn nothing in cash but 8% to 12% annually in stock index funds, or lose 15% in a down market. There is no single answer to "how much will my IRA earn" because the earnings depend entirely on your choices within the account.
The tax advantage of an IRA is not about earning more — it is about keeping more of what you earn. Money grows tax-free inside the account until you withdraw it (or never, in a Roth). That tax shelter is the same whether you earn 2% or 10%. The growth rate itself comes from the investments you select.
Key Takeaways
- IRA earnings come from the investments inside the account — savings accounts, CDs, bonds, or stocks — not from the IRA itself.
- A high-yield savings account or CD inside an IRA currently pays 4% to 5% annually, but rates change with the Federal Reserve.
- Stock-based investments historically return 7% to 10% annually over long periods, but can lose money in any given year.
- The real benefit of an IRA is that earnings grow tax-free, so you keep a larger share of whatever your investments earn.
- Your age, time horizon, and risk tolerance should guide whether you choose stable, low-earning options or growth-focused, volatile ones.
How savings accounts and CDs inside an IRA work
If you open an IRA at a bank and keep the money in a savings account or CD, you earn whatever that bank pays. As of early 2025, high-yield savings accounts at online banks pay roughly 4% to 5% annually. Traditional savings accounts at brick-and-branch banks often pay 0.01% to 0.5%. CDs lock your money for a set term — three months, one year, five years — and pay a fixed rate that is usually higher than savings accounts at the same bank, often 4% to 5.5% for longer terms.
The rate you see today will not be the rate you see in two years. Banks adjust rates based on what the Federal Reserve does. When the Fed raises its benchmark rate, banks raise what they pay on savings and CDs. When the Fed cuts rates, banks cut what they pay. You cannot predict future rates, so you cannot predict future earnings on a savings-based IRA.
The advantage of a savings account or CD IRA is safety and certainty. You will not lose the principal. The disadvantage is that 4% to 5% may not keep pace with inflation over decades, so your money's purchasing power shrinks. For someone within five to ten years of retirement, this trade-off often makes sense. For someone 30 years from retirement, it usually does not.
Stock and bond investments inside an IRA
If you open an IRA at a brokerage like Fidelity, Vanguard, or Charles Schwab, you can buy stocks, bonds, mutual funds, or exchange-traded funds (ETFs). The earnings come from price appreciation (the investment goes up in value), dividends (companies pay you a share of profits), or interest (bonds pay you to lend money). These earnings are not fixed. A stock index fund might return 10% one year and lose 8% the next. A bond fund might return 4% consistently, or 2% if interest rates rise.
Historical data shows that a diversified portfolio of U.S. stocks has returned roughly 10% annually over very long periods — 20 years or more — but with significant year-to-year swings. A mix of 60% stocks and 40% bonds has historically returned around 7% to 8% annually with less volatility. These are not promises; they are historical averages. Your actual returns will differ.
The earnings are reinvested automatically in most IRAs, meaning dividends and interest buy more shares, which then earn their own dividends. This compounding effect is powerful over decades. A $10,000 investment earning 7% annually becomes roughly $76,000 in 30 years, assuming no withdrawals and no additional deposits.
How taxes affect what you actually keep
In a regular taxable investment account, you owe federal income tax on dividends and interest each year, and capital gains tax when you sell an investment at a profit. In a traditional IRA, you owe no tax on earnings until you withdraw money in retirement, at which point withdrawals are taxed as ordinary income. In a Roth IRA, you owe no tax on earnings ever — withdrawals in retirement are tax-free.
This tax deferral or tax-free growth is the real advantage of an IRA. If you earn $5,000 in a regular brokerage account, you might owe $750 to $1,250 in federal tax, leaving you $3,750 to $4,250. In an IRA, all $5,000 stays invested and keeps earning. Over 30 years, that difference compounds dramatically.
The tax benefit does not change your investment's growth rate — a stock fund still returns 10% whether it is in an IRA or a taxable account. But it means more of that 10% stays in your account instead of going to the IRS.
Comparing earnings across different IRA investments
| Investment Type | Current Typical Rate or Return | Volatility | Best For |
|---|---|---|---|
| High-yield savings account | 4% to 5% annually | None | Money you may need within 5 years; very risk-averse investors |
| CD (1-year) | 4% to 5% annually | None | Money you will not touch for 1 to 5 years |
| Bond fund or bond ETF | 3% to 5% annually (varies with interest rates) | Low to moderate | Investors 10 to 20 years from retirement |
| Balanced fund (60% stocks, 40% bonds) | 7% to 8% historically | Moderate | Investors 15 to 30 years from retirement |
| Stock index fund or stock ETF | 10% historically (with year-to-year swings) | High | Investors 20+ years from retirement |
What affects how much you will actually earn
Your total IRA earnings depend on four things: how much you contribute each year, how long the money sits invested, what you invest in, and what that investment actually returns. The IRS limits how much you can contribute annually — for 2024 and 2025, the limit is $7,000 per year if you are under 50, and $8,000 if you are 50 or older. You cannot earn more by contributing more than the limit; the limit is the limit.
Time is the biggest lever. An IRA started at age 25 with $7,000 contributed annually and earning 7% grows to roughly $1.2 million by age 65. The same IRA started at age 45 grows to roughly $280,000. The difference is not the contribution amount — it is 40 years of compounding versus 20 years. Starting early matters far more than picking the perfect investment.
Your investment choice matters, but only if you stick with it. Someone who invests in stocks at age 25 and panics during a market downturn, selling at a loss, will earn far less than someone who stays invested through ups and downs. Consistency and time horizon matter more than picking the single best fund.
How to estimate your own IRA earnings
To estimate what your IRA might earn, start with a realistic return assumption based on your investment choice. Use 4% to 5% for savings or bonds, 7% to 8% for a balanced portfolio, or 10% for a stock-heavy portfolio. Then use a compound interest calculator — Vanguard, Fidelity, and the SEC all offer free ones online — and enter your current balance, annual contribution, years until withdrawal, and assumed return rate.
The result is an estimate, not a prediction. Markets do not return the same amount every year. But the estimate shows you the order of magnitude: whether your IRA might grow to $300,000 or $1 million by retirement, and how much of that is your contributions versus earnings. That gap between contributions and earnings is what the tax-free growth of an IRA buys you.
If the estimate shows you falling short of your retirement goal, you have levers to pull: contribute more if you can, extend your working years, or adjust your retirement spending expectations. An estimate that is lower than you hoped is useful information, not a reason to chase higher returns through riskier investments you do not understand.
Frequently Asked Questions
Can I move my IRA to a different investment if I want higher returns?
Yes. You can move money between investments within the same IRA account without tax consequences — this is called a transfer. You can also move money from one IRA to another IRA at a different institution once per year. Moving to a riskier investment does not may provide higher returns; it guarantees higher volatility. Higher returns over time come from staying invested through market cycles, not from chasing the best-performing fund.
What if interest rates drop — will my IRA earnings go down?
If you hold a savings account or CD, yes. When the Federal Reserve cuts rates, banks lower what they pay on new CDs and savings accounts. Your existing CD rate is locked in until it matures. If you hold stocks or bonds, falling rates typically make bond prices rise (good for bond funds) and may help stock prices (uncertain). The relationship is complex, which is why diversification across multiple investment types smooths out the effect.
Is there a minimum amount I need to earn in an IRA?
No. You can hold an IRA with $100 or $100,000. The earnings are whatever the investments inside earn. Some brokerages have minimum opening balances — often $500 to $2,500 — but many online banks and brokerages have no minimum. Check the specific institution's requirements before opening.
Do I have to reinvest dividends and interest in my IRA?
Most IRAs reinvest automatically, meaning dividends and interest buy more shares of the investment. You can usually change this setting to receive dividends as cash instead, but reinvestment is the default and is usually the better choice for long-term growth because of compounding. Check your IRA provider's settings if you want to change how dividends are handled.
What happens to my IRA earnings if I withdraw money early?
In a traditional IRA, withdrawals before age 59½ are taxed as ordinary income plus a 10% penalty on the earnings portion (contributions can usually be withdrawn penalty-free). In a Roth IRA, contributions can be withdrawn anytime penalty-free, but earnings withdrawn before age 59½ face the same tax and penalty. The earnings you lose are not just the money itself, but all the future growth that money would have earned. Early withdrawal is expensive; avoid it if possible.