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9 Minute Read

What is a 401(k)? Your Questions Answered

9 Minute Read

If you’re already contributing part of your paycheck to your 401(k)—or plan to in the future—you probably have questions about how it all works. Is it in good investments? How much should you invest? What kind of return should you expect?

If you’re leaning on your 401(k) to be a big part of your financial picture, it’s important to get your questions answered. Your golden years literally depend on investment choices you make today. Learning how your 401(k) works is the first step toward making confident decisions about your retirement future.

Let’s get started!

1. What is a 401(k)?

Let’s start with the basics. A 401(k) is an employer-sponsored plan for retirement savings. It allows employees the benefit of having retirement savings taken out of their paychecks before taxes. If your workplace offers a 401(k), you’ll fill out an enrollment packet that includes information about vesting, beneficiaries, and investing options.

There are two kinds of 401(k) plans: a traditional 401(k) and a Roth 401(k). How are they different? Glad you asked!

2. What’s the difference between a traditional 401(k) and a Roth 401(k)?

Both are employer-sponsored retirement savings plans, but they are taxed in different ways.

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A traditional 401(k) offers tax benefits on the front end. Your money goes in tax-free, but you pay taxes on your contributions, employer match (if you have one), and the growth when you make withdrawals in retirement.

A Roth 401(k) offers tax-free growth. What does that mean? Your contributions are after-tax, but then you don’t pay taxes on your contributions or their growth when you retire. You will still owe taxes on employer contributions.


3. Why is it called a 401(k)?


Great question! The 401(k) plan is named for the 401(k) subsection of the tax code that governs how it works. That’s really all there is to it. The same goes for other plans types like the 403(b). Easy enough, right?

4. How much should you invest in your 401(k)?

If your employer offers a match, you should at least invest enough to take full advantage of that perk. Don’t say no to free money!

According to a recent report by BrightScope and the Investment Company Institute, the most common employer match scenario for 401(k) participants is a 100% match of their contribution up to 6% of pay.(1) That’s no chump change! Even if your employer match is less than 6%, that extra money can make a big difference in your nest egg over time.

After you take advantage of the match, then what? Overall, we recommend that you save 15% of your income toward retirement. But does all of that need to be in your 401(k)? Not necessarily. Here are a couple options:

  • Option #1: You have a Roth 401(k) with great mutual fund choices. Good news! You can invest your whole 15% in your Roth 401(k).

  • Option #2: You have a traditional 401(k). Invest up to the match, then contribute what’s left of your 15% to a Roth IRA. Your financial advisor can help you get one started! If you contribute the maximum to your Roth IRA and still have money left over, you can go back to your traditional 401(k).

The most important factor in having a secure retirement is contributing consistently over the long haul. 

5. What is the current contribution limit for your 401(k)?

The current yearly contribution limit for 2017 is $18,000, according to the IRS. If you are 50 or older, you can make catch-up contributions, increasing your annual limit to $24,000.

6. What funds should you select for your 401(k)?

Work with your financial advisor to choose mutual funds with a long history of above-average performance. With your workplace 401(k) you may not have as many fund options as you do with an IRA, but your investing pro can help you make the most of the choices you do have.

I recommend diversifying your portfolio by including an equal percentage of funds from four different families: growth, growth and income, aggressive growth, and international. Even if you don’t have great funds to choose from, it is worth it to at least contribute enough to get the company match.

As your investment grows, you should regularly rebalance your portfolio with your financial advisor to minimize risk.

To learn more about using mutual funds to build wealth, check out my new book, Everyday Millionaires.

7. How do fees impact your investing?

Fees can be confusing and overwhelming, but it’s important that you understand the full picture of how fees affect your investing portfolio.

Your 401(k) can seem like an expensive way to invest, but if you’re getting a company match on your contributions, the gain is just about always worth it. Your financial advisor can help you understand the difference between front-load and no-load funds so you can choose the best option for you.

Keep in mind that if you’re choosing funds based solely on fees, you’re missing an important part of the picture. While some funds may seem appealing because they offer low fees, it’s worth a second look to make sure you’re not sacrificing performance. You’re looking for a combination of low fees and strong returns.

A good financial advisor will be able to clearly explain how fees affect your investments. If your pro tries to dodge the question, that’s a bad sign.

8. What does it mean to be vested?

Vested is a term used to talk about how much of your 401(k) belongs to you if you leave your job. The money you contribute is yours, but some employers have guidelines about how much of their matching contribution you can take with you.

For example: If your company increases the amount you are vested in by 25% every year, leaving your job after only two years would mean you could only take 50% of the employer contributions to your 401(k) with you. Once you are fully vested, you keep 100% of the employer contribution. Your HR department can provide specific information about your company’s vesting guidelines.

9. What should you do with a 401(k) from a previous job?

Cash it out? No thanks! Instead, roll it over to an IRA. Here’s why: When you cash out your 401(k), you don’t even get to keep all of the money! You’ll owe taxes on the total amount as well as a 10% withdrawal penalty.

Let’s say you’re in the 25% tax bracket and decide to cash out the $10,000 you have in your 401(k) plan when you leave your job. Even though you started with $10,000 in your 401(k), you’ll be left with only $6,500 after taxes and penalties.

On the other hand, if you rolled that $10,000 over to an IRA and let it grow for 30 years, it could be worth nearly $175,000! Even a small cash out has a big impact on your savings. Your financial advisor can help you roll over any old 401(k)s so you get the most out of your investment.

10. What are the consequences of withdrawing money from your 401(k) early?

According to the IRS, you can’t withdraw money out of your 401(k) without penalty before you reach the age of 59 and a half.

But when life happens, it’s easy to turn to the savings stashed in your 401(k). The money is just sitting there, right? Turns out, withdrawing money from your 401(k) early is more complicated than that. Here’s why using that money before retirement is a really bad idea:

  • You have to pay back the amount you withdraw with interest.

  • Your investments into your workplace 401(k) account are pre-tax, but you’ll pay back the loan with after-tax dollars. That means it will take longer to build up the same amount.

  • You’ll have to pay additional taxes and penalties if you don’t pay back the loan in a certain time frame.

  • The full loan balance will be due within 60 days if you leave your job for any reason.

That’s a lot of good reasons to keep your hands off your 401(k) until you reach retirement age.

Related: Check out Chris Hogan’s podcast #24: The Ultimate 401(k) Questions

11. Should you work with a pro?

Setting your investments on auto-pilot is not an investing strategy you can count on.

You need the experience and knowledge of a financial consultant to help you make well-informed decisions about your investments. A pro will help you understand where your money is going and will answer questions you have about how your 401(k) plan works.

Your financial advisor may not get paid from helping you make decisions about your 401(k), since your 401(k) plan is sponsored by your workplace. Or they may choose to charge a one-time consultation fee. Regardless, you can ask on the front end to make sure there are no surprises.

If you want a solid retirement plan, work with a true pro to create a long-term strategy for your investments. You want a pro who is smarter than you but always knows you call the shots. After all, no one cares more about your retirement than you.

Need help finding a pro? With our SmartVestor program, you can find a financial advisor to help you understand your 401(k) and how it fits in your overall retirement plan.

Find a financial advisor today!

About Chris Hogan

Chris Hogan is a #1 national best-selling author, dynamic speaker and financial expert. For more than a decade, Hogan has served at Ramsey Solutions, spreading a message of hope to audiences across the country as a financial coach and Ramsey Personality. Hogan challenges and equips people to take control of their money and reach their financial goals, using The Chris Hogan Show, his national TV appearances, and live events across the nation. His second book, Everyday Millionaires: How Ordinary People Built Extraordinary Wealth—And How You Can Too is based on the largest study of net-worth millionaires ever conducted. You can follow Hogan on Twitter and Instagram at @ChrisHogan360 and online at or

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