What’s the difference between a 401(k) and an IRA?
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When considering tax-advantaged retirement plans, two majors come to mind: the individual retirement account (IRA) and the 401(k) plan.
Key Points
- IRAs and 401(k)s offer tax advantages, but they differ in many ways.
- Understanding the differences, and how these accounts allow you to save for retirement, can help you decide which one makes sense for you.
- Choosing between an IRA and a 401(k) depends on your age, financial and employment situation, and specific retirement goals.
If your employer offers a 401(k), how do you decide if you should participate in it versus contributing to your own IRA? Although there are many similarities between the two, there are some differences, including contribution limits, investment choices, and what happens when you take money out.
The following table offers a quick side-by-side comparison of the two retirement plans.
IRA vs. 401(k) comparison chart
IRA | 401(k) |
---|---|
You can open an account yourself. | Account is offered by your employer. |
Your eligibility may be limited by your income or your spouse’s income. | Eligibility is determined by your employer. |
No employer match. | Many employers match a percentage of employee contributions. |
Lower annual contribution limit. For 2024, it’s $7,000 if you’re under age 50; $8,000 if you’re age 50 or over. | High annual contribution limit. For 2024, it’s $23,000 if you’re under age 50; $30,500 if you’re age 50 or over. |
Large investment selection. | Your employer may limit your investment choices. |
May be funded with pretax (traditional) or after-tax (Roth) dollars. | Employee contributions may be pretax or, if a Roth plan is offered, after tax. (Employer-matched dollars are always pretax.) |
Early withdrawal penalties (10%) apply before age 59 1/2, except in specific situations. | Early withdrawal penalties (10%) apply before age 59 1/2. |
Required minimum distributions (RMDs) typically kick in at age 72. | Minimum distributions are required at age 72 based on account values. |
401(k) overview and characteristics
A 401(k) is a type of retirement savings account that’s offered only through an employer. You contribute to your 401(k) via automatic deductions from your paycheck. A traditional 401(k) is a tax-deferred plan, which means your contributions go into your account before you pay taxes on them. You pay taxes later, when you withdraw the money during retirement.
Some employers offer a Roth 401(k) plan. With a Roth, you pay taxes now, but all withdrawals from the account during retirement are tax-free.
Eligibility. You can only contribute to a 401(k) plan if your employer offers one. Specific eligibility rules may apply. Check with your human resources department to determine if you’re able to contribute.
2024 401(k) contribution limit. The IRS sets limits on how much you can save in a 401(k) each year. For the 2024 tax year, the 401(k) contribution limit is $23,000. If you’re age 50 or older, you can make up to $7,500 in additional “catch-up” contributions.
Good to know
If you’re self-employed, you can open a solo 401(k), which allows you to contribute as both the employee and employer. Learn more about solo 401(k)s and other retirement plans for the self-employed.
Matching contributions. Your employer may match your 401(k) contributions, up to a percentage of your contributions or a portion of your salary. This is a great perk because it’s like getting free money to save for retirement. If you’re able, try to contribute enough to maximize the match. For example, if your employer matches 100% of the first 5% of your salary, by contributing 5%, you’re really saving 10% of your salary.
Vesting. Your employer’s contributions (any matched funds) to your 401(k) may be subject to a “vesting schedule.” That means you may have to work for your employer for a certain number of months or years before you fully own the contributions they’ve matched for you. Of course, contributions you make (the amounts deducted from your paychecks) are yours from day one.
Taxes. A traditional 401(k) is a tax-deferred plan. That means your contributions and any investment income aren’t taxed; however, you’ll pay taxes when you take the money out. With a Roth 401(k) plan, it’s the opposite: Your contributions are taxed up front, but you generally aren’t taxed on investment earnings or withdrawals.
In most cases, if you withdraw the money before age 59 1/2, you’ll pay a 10% penalty.
Note: Whether your contributions are Roth or traditional (pretax), your employer’s matching contributions are treated as pretax. So if you contribute to a Roth 401(k), it’s as if you have two 401(k)s—a Roth (for which you’ll owe zero taxes in retirement) and a traditional (which will grow tax-deferred and will be taxed when you withdraw in retirement).
401(k) investments. You can choose how you want to invest your 401(k) contributions according to your retirement goals and how much risk you’re willing to take on. However, your investment choices may be limited to a few options preselected by your employer.
If you’re auto-enrolled into a 401(k) plan, your employer may pick a default portfolio for you. You can either keep that portfolio or choose a new one that more closely aligns with how much risk you want to take on, as well as the amount of time you have until retirement.
IRA overview and characteristics
“IRA” stands for individual retirement arrangement, but an IRA is more commonly known as an individual retirement account. There are many different types of IRAs that you can open, including traditional (pretax) and Roth (after-tax) IRA plans.
Other types of IRAs include simplified employee pension (SEP) and savings incentive match plan for employees (SIMPLE) IRAs, which are typically used by self-employed individuals and small businesses. SEPs and SIMPLEs come with their own sets of rules, restrictions, and limits. The information in this section pertains to traditional and Roth IRAs only.
Eligibility. You must have a job and have earned income for the tax year to open an IRA. Earned income is money you make from working, such as your salary, bonuses, tips, and self-employment income. Income from investments, Social Security, unemployment, annuities, and pensions doesn’t count. If you want to open a Roth IRA, specific income limits apply.
You can also fund an IRA for your spouse if you’re married and file your taxes jointly, even if they have little or no earned income.
2024 IRA contribution limit. With IRAs, the IRS limits how much you can contribute in any given tax year. For 2024, the IRA contribution limit is $7,000 if you’re under age 50. If you’re age 50 or over, you’re allowed an additional $1,000 “catch-up” contribution, for a total of $8,000.
Matching contributions. Because an IRA is not an employer-sponsored plan, there are no matching contributions; you open and fund the account yourself.
Vesting. You own your IRA contributions from day one—there is no vesting schedule.
Taxes. Traditional and Roth IRAs work the same way as the 401(k) plans described above. If you contribute to a traditional IRA, you won’t be taxed on that money or any investment earnings, but you’ll pay taxes when you withdraw the money in retirement. Alternatively, you could contribute after-tax money to a Roth IRA. In that case, the withdrawals are tax-free.
You can save after-tax dollars in a Roth IRA plan, and generally you won’t be taxed on the investment income or qualified withdrawals.
As with a 401(k), you’ll pay a 10% penalty for withdrawing money from your IRA before age 59 1/2, except in specific situations:
- With a traditional IRA, qualifying exceptions include first-time home purchases, college tuition and fees, and medical costs.
- If you own a Roth IRA, you can withdraw up to $10,000 for qualified expenses related to the purchase of a first home, as long as it’s been five years since your first contribution.
IRA investments. IRAs are usually held at a bank or brokerage firm, and you have ultimate discretion over the investment allocation. Generally speaking, that means you get access to a much wider selection of investment choices with an IRA than with a 401(k)—stocks , bonds, ETFs, and even some alternative investments are allowed.
Are you ready to start planning your own retirement? Check out the calculator in this article, plug in the appropriate numbers, and see how much you might need to save–and how much those savings might last. Are you on track?
The bottom line
When it comes to choosing an IRA versus a 401(k), here are some things to keep in mind:
- If your employer offers a match, consider contributing as much as you can to the 401(k)—at least enough to qualify for the match. If you want to save even more for retirement, you can also open an IRA.
- If you want to reduce your current taxable income, contributing to a traditional 401(k) or IRA can help with that.
- If you want to save after-tax dollars—and allow those savings to grow tax-free with no federal taxes due on withdrawal—consider a Roth IRA or Roth 401(k) plan if your employer offers it.
- A Roth IRA may provide the most flexibility and convenience. You can make qualified tax-free withdrawals in retirement, and there are no required minimum withdrawals. Additionally, you can make qualified withdrawals anytime.
- In some situations, depending on your income, you can contribute to both.
Still deciding between an IRA versus a 401(k)? Do some scenario planning. Does your employer offer a 401(k) with a match, and are you happy with the investment choices? The 401(k) is the way to go. Does your employer have a plan with no match and/or you want more investment flexibility? You might go with an IRA. Did you max out your 401(k) and you’re eligible to put more away? Perhaps you choose to invest in both.
Now expand your scenarios to include Roth versus traditional versions. And then get started. When it comes to investing, time is money.