IRAs and 401(k) plans both help individuals save for retirement, but have their differences

Explore the key differences between 401(k) plans and IRAs

A 401(k) is employer-sponsored, may include matching contributions, and allows higher annual contributions (up to $23,000). An IRA is self-managed, offers greater control over investments, and has lower contribution limits ($7,000). Both plans come in traditional and Roth options, but income caps may limit IRA choices, while 401(k)s have no such restrictions.

A basic guide to retirement savings account options, the IRA and the 401(k)

The two main types of accounts are 401(k) plans and individual retirement accounts (IRAs)—but what do those mean, exactly? There are differences between the two types, as well as the subtypes beneath them.

The IRS sets new contribution limits for IRAs and 401(k) plans each year

In 2024, individuals could contribute up to $7K across all their IRAs. People aged 50 and older could contribute up to $8K. For 2025, the IRS kept the same contribution limits.

401(k) plans and pensions differ in who has control over the investments

With pension plans, a company contributes to an investment fund from which it distributes regular payments to a retired worker until their death. A 401(k) gives the worker control over contributions in a tax-advantaged account.

Having two retirement accounts has its pros and cons

Contributing to both an IRA and a 401(k) lets you increase your retirement savings by about 30% every year. However, you’ll also spend more time actively investing that money and pay more in fees.

Only half of American workers have retirement accounts, like 401(k) plans, through their current jobs.

Some people roll their 401(k) into an IRA to have more control over their account

However, some argue that you could end up paying less money to invest in a 401(k) plan than you would to invest in an IRA. This article offers a list of pros and cons regarding rolling a 401(k) into an IRA.

Although anyone can contribute to a traditional IRA, not everyone can access its tax deductions

If you or your spouse contributes to a 401(k), you likely won’t be able to deduct your traditional IRA contributions from your taxes. On the flip side, if you don’t contribute to an employer-sponsored retirement account, you’re probably eligible for that tax deduction.

There are four main types of IRAs to choose from

Those types are traditional, Roth, SEP, and SIMPLE. While all IRAs can help you save for retirement, each type has its own tax advantages and eligibility requirements, such as employment type or income level.

The prevalence of 401(k) plans and IRAs over pensions shifted investment risk from employers to employees.

Roth 401(k) plans vs regular 401(k) plans

A normal 401(k) defers tax payments to later, while a Roth requires no tax payments at withdrawal time. Financial experts often recommend investing in a Roth 401(k) plan or Roth IRA when someone first starts their career to lock in a relatively low tax rate.

A 401(k) plan allows workers to save for retirement without paying taxes until later

With a 401(k) plans you can invest more money now and let it grow with compound interest. Americans have more than $7T invested in these types of accounts.

An individual retirement account is a type of tax-advantaged investment account

An IRA lets individuals at most income levels invest either pre- or post-tax money for retirement. IRAs are often good solutions for people who don’t have the option to invest in a 401(k) plan—or for those who want to put even more money aside for retirement.

529s vs. Roth IRA

Roth IRAs and 529 plans both offer tax advantages, but they serve different goals. 529s are state-run accounts meant for education, offering tax-free growth and withdrawals for qualified expenses. Roth IRAs are built for retirement, but can also be tapped for education, with more investment flexibility and fewer contribution limits.

Learn about the differences between traditional and Roth IRAs

Traditional IRAs allow tax-deductible contributions, but withdrawals in retirement are taxed as income. Roth IRAs use after-tax dollars, offering tax-free withdrawals later, but income limits may restrict eligibility. Choosing between the two depends on your financial situation today and your future tax outlook.

Technically speaking, a 401(k) is a type of pension

The Employee Retirement Income Security Act of 1974 lumped both defined-contribution plans like 401(k) plans, and defined benefit plans (like what is colloquially known as a pension) under the term “pension” in order to protect workers and make retirement plan enforcement simpler. Learn more about the ERISA here.

Spousal IRAs give spouses who do not work a way to save for retirement

In most cases, only working individuals can open and contribute to an IRA. But the IRS has a special exception for married couples: the spousal IRA. It lets the working spouse open and contribute to an IRA on behalf of their nonworking spouse.

If your job doesn’t offer a 401(k), you still have retirement savings options

Do you know more than a third of working adults aren't offered a 401(k) through their jobs? If you're part of that group, you still have options for retirement savings, including IRAs, taxable investment accounts, and more.

Roughly 70 million Americans have 401(k) plans

Ted Benna, a rural benefits consultant, proposed a reinterpretation of a small tweak to the Internal Revenue Code in 1980. This led to a fundamental transformation of how American workers plan for retirement.

What is a 401(k)?

Should you get a 401(k)? To make sense of this obscure piece of tax code, here’s a beginner’s guide to one of the more common forms of retirement savings in the US. Learn the history of the 401(k), how to sign up for one, the different types, and more in this well-organized and concise explainer from Investopedia.

Traditional IRAs are tax-deferred—meaning you’ll pay taxes when you withdraw funds during retirement, rather than before you invest in the IRA

You can typically deduct traditional IRA contributions from your taxes. To invest in a Roth IRA, on the other hand, you must contribute money that has already been taxed.

The 401(k) is limited in its ability to provide guaranteed retirement income

Part of the problem is the high, often hidden fees associated with the accounts and a lack of access. Plus, analysts say the annual cost in tax revenue to the government is more than $100B.

401(k) plans had an average of $112K as of 2023

The median, however, is much lower at around $27K. The average balance of a 401(k) in the US differs across different age groups and income levels.

529 savers can now roll funds into a Roth IRA

One of the key disadvantages of a 529 college savings plan is the possibility a beneficiary doesn’t end up going to college. Nonqualified withdrawals are subject to a 10% penalty. However, as of 2024, the SECURE Act 2.0 started allowing 529 savers to roll over $35K into a Roth IRA.

A spousal IRA allows a working spouse to contribute to an IRA on behalf of their nonworking partner

This ensures both people can build financial security for the future. While it's not a separate account type, this provision requires couples to file a joint tax return to qualify, helping nonearning spouses save for retirement independently.

You have to earn under a certain gross amount per year to be eligible for a Roth IRA

A Roth IRA might make the most sense for someone confident that they will have a higher income in retirement than they do now. For 2025, those allowed to contribute to a Roth IRA must have a modified adjusted gross income (MAGI) of less than $150K.

About 98% of companies offering employees a 401(k) plan match employee contributions

Broadly speaking, an employer 401(k) match means that if you invest money into your 401(k), your employer will put cash in, too. But these programs are often fairly nuanced.

Three ways to save for your child’s future

Parents can open a custodial Roth IRA when their child starts to earn income (think: summer job), which can help them start saving early. For example, 529 accounts help parents save for college, while UTMA/UGMA accounts function like trusts.

The average American contributed nearly $6,000 to a 401(k) retirement account in 2023.

Fees can eat away at your 401(k)

Every investment plan has an expense ratio—a percentage of the total assets that goes to the investment manager in the form of fees. Because 401(k) plans are so common, and many of their participants are not savvy investors, the relative expense ratio for them has often excessively increased.

Americans ages 30 to 34 have $44,800 in their 401(k) accounts on average

Americans ages 28 to 44 save about 13.5% of their pretax income on average, which is close to the recommended retirement savings rate of 15%.

401(k) is a section of the US tax code

How did 401(k) plans get their name? Check out the 401(k) section (and subsection) of the US tax code made famous by benefits consultant Ted Benna. Tap into your inner accountant and check out the now-famous portion of the dense, 10,000-section tome that is the Internal Revenue Code.

Roth IRAs were first introduced in the Taxpayer Relief Act of 1997

The Roth IRA is one of the most popular retirement accounts in the US. Nearly a quarter of Americans contributed to a Roth IRA in 2023. But this type of financial account hasn’t been around for that long.

Explore a guide to 529 college savings plans

Investors put after-tax dollars into these education-earmarked accounts, and like a 401(k) or IRA, they invest them into stocks, bonds, or funds. When it comes time to withdraw, investors do not pay any taxes on distributions. However, the money must be used for approved expenses like college tuition, textbooks, and trade schools.

A 401(k) 'super catch-up' lets people between 60 and 63 add money to their 401(k)

Through a "super catch-up," they can boost their retirement contributions as they prepare to stop working. But super catch-ups aren't always right for everyone.

US pension plan adoption has declined from 1975 to 2021

Pension plans are a form of guaranteed retirement plan for long-time workers, and they were a major part of industries in the mid-20th century. With the rise of the 401(k) and similar tax-advantaged, defined-contribution accounts, these so-called defined-benefit plans have declined in use by employers. Compare US adoption of both kinds in this table.

7 things to know about inherited IRA rules

An inherited IRA is any kind of IRA or 401K plan you inherited from someone after they’ve died. Since there are different tax advantages for each type of retirement account, the rules you have to follow widely differ based on the account, your relationship to the deceased, and how you want to use the money. Here are the seven things you must know to navigate an inherited IRA.

What's a rollover IRA?

A rollover IRA is a type of investment account that lets you move the money from an old retirement account into an IRA after you stop working for your employer. This move lets you keep your funds in a tax-deferred account without being hit with taxes, fees, or penalties. This article explains how you can roll over your money and highlights any restrictions to keep in mind. Learn more here.

Learn how to withdraw $1K from your IRA

Normally, you face a large penalty if you take money out of your IRA before age 59½. Now the IRS is letting individuals withdraw up to $1K without facing the 10% fee (with the exception of Roth IRAs) for emergencies.