🕷️ Crawler Inspector

[Accessibility Menu](https://www.fool.com/retirement/plans/401k/) Search for a company [Accessibility](https://www.fool.com/retirement/plans/401k/) ... [Help](https://support.fool.com/) [](https://www.fool.com/) - Our Services [All Services](https://www.fool.com/services/)[Stock Advisor](https://www.fool.com/services/stock-advisor/)[Epic](https://www.fool.com/services/epic/)[Epic Plus](https://www.fool.com/services/epic-plus/)[Fool Portfolios](https://www.fool.com/services/fool-portfolios/)[Fool One](https://www.fool.com/services/one/)[All Podcasts](https://www.fool.com/podcasts/)[Motley Fool Money Podcast](https://www.fool.com/podcasts/motley-fool-money/)[Rule Breaker Investing Podcast](https://www.fool.com/podcasts/rule-breaker-investing/)[The Motley Fool Foundation](https://foolfoundation.org/) - Stock Market News [Live Coverage](https://www.fool.com/investing/live-coverage/)[Trending News](https://www.fool.com/trending-news/)[Stock Market News](https://www.fool.com/investing-news/)[Market Movers](https://www.fool.com/market-movers/)[Tech Stock News](https://www.fool.com/tech-stock-news/)[Market Trends](https://www.fool.com/market-trends/)[Crypto News](https://www.fool.com/crypto-news/)[Stock Market Indexes Today](https://www.fool.com/markets/)[Most Active Stocks Today](https://www.fool.com/markets/most-active-stocks/)[Today's Biggest Stock Gainers](https://www.fool.com/markets/top-stock-gainers/)[Today's Biggest Stock Losers](https://www.fool.com/markets/top-stock-losers/)[Stock Quotes by Exchange](https://www.fool.com/quote/)[Market Research](https://www.fool.com/research/)[📨 Breakfast News](https://www.fool.com/investing/breakfast-news/)[Top Stocks to Buy Now](https://www.fool.com/investing/top-stocks-to-buy-and-hold/)[Best ETFs to Buy](https://www.fool.com/investing/how-to-invest/etfs/etfs-to-buy/)[Best AI Stocks](https://www.fool.com/investing/stock-market/market-sectors/information-technology/ai-stocks/)[Best Growth Stocks](https://www.fool.com/investing/stock-market/types-of-stocks/growth-stocks/)[Dividend Kings](https://www.fool.com/investing/stock-market/types-of-stocks/dividend-stocks/dividend-kings/)[Best Index Funds](https://www.fool.com/investing/how-to-invest/index-funds/best-index-funds/)[Next Cryptos to Explode](https://www.fool.com/investing/stock-market/market-sectors/financials/cryptocurrency-stocks/next-crypto-to-explode/)[Technology](https://www.fool.com/investing/stock-market/market-sectors/information-technology/)[Energy](https://www.fool.com/investing/stock-market/market-sectors/energy/)[Real Estate](https://www.fool.com/investing/stock-market/market-sectors/real-estate-investing/)[Healthcare](https://www.fool.com/investing/stock-market/market-sectors/healthcare/)[Consumer Goods](https://www.fool.com/investing/stock-market/market-sectors/consumer-staples/)[Materials](https://www.fool.com/investing/stock-market/market-sectors/materials/)[Industrials](https://www.fool.com/investing/stock-market/market-sectors/industrials/) - How to Invest [How to Invest Money](https://www.fool.com/investing/how-to-invest/)[What to Invest In](https://www.fool.com/investing/how-to-invest/what-to-invest-in/)[How to Invest in Stocks](https://www.fool.com/investing/how-to-invest/stocks/)[How to Invest in ETFs](https://www.fool.com/investing/how-to-invest/etfs/)[How to Invest in Index Funds](https://www.fool.com/investing/how-to-invest/index-funds/)[How to Invest in Bonds](https://www.fool.com/investing/how-to-invest/bonds/)[Financial Dictionary](https://www.fool.com/terms/)[Stock Market 101](https://www.fool.com/investing/stock-market/)[Types of Stocks](https://www.fool.com/investing/stock-market/types-of-stocks/)[Stock Market Sectors](https://www.fool.com/investing/stock-market/market-sectors/)[Stock Market Indexes](https://www.fool.com/investing/stock-market/indexes/)[What Are Stock Splits?](https://www.fool.com/terms/s/stock-split/)[What Is Compound Interest?](https://www.fool.com/investing/how-to-invest/stocks/compound-interest-accounts/)[After Hours Trading](https://www.fool.com/terms/a/after-hours-trading/)[How to Buy Stock](https://www.fool.com/investing/how-to-invest/stocks/how-to-buy-stock/)[Best Brokers for Beginners](https://www.fool.com/money/buying-stocks/best-online-stock-brokers-for-beginners/)[Best Brokerage Accounts](https://www.fool.com/money/buying-stocks/)[Good Time to Buy Stocks](https://www.fool.com/investing/how-to-invest/stocks/good-time-to-buy-stocks/)[How Many Shares to Buy?](https://www.fool.com/investing/how-to-invest/stocks/how-many-shares-buy-stock/)[Portfolio Diversification](https://www.fool.com/investing/how-to-invest/portfolio-diversification/)[How to Invest \$100](https://www.fool.com/investing/how-to-invest/how-to-invest-100-dollars/)[Magnificent Seven Companies](https://www.fool.com/investing/how-to-invest/stocks/magnificent-seven/)[Warren Buffett Investments](https://www.fool.com/investing/how-to-invest/famous-investors/warren-buffett-investments/)[Investing in ChatGPT](https://www.fool.com/investing/stock-market/market-sectors/information-technology/ai-stocks/chatgpt/)[Investing in SpaceX](https://www.fool.com/investing/how-to-invest/stocks/how-to-invest-in-spacex-stock/)[Investing in OpenAI](https://www.fool.com/investing/how-to-invest/stocks/how-to-invest-in-openai-stock/)[Investing in Nvidia](https://www.fool.com/investing/how-to-invest/stocks/how-to-invest-in-nvidia-stock/)[Investing in Databricks](https://www.fool.com/investing/how-to-invest/stocks/how-to-invest-in-databricks/) - Retirement [Retirement News](https://www.fool.com/retirement-news/)[Retirement 101](https://www.fool.com/retirement/)[Types of Retirement Accounts](https://www.fool.com/retirement/plans/)[How to Contribute to 401k/IRA?](https://www.fool.com/retirement/plans/401k/contribute-to-401k-and-ira/)[Strategies to Save for Retirement](https://www.fool.com/retirement/strategies/)[Asset Allocation for My Age](https://www.fool.com/retirement/strategies/asset-allocation-by-age/)[Best IRA Brokerage Accounts](https://www.fool.com/money/buying-stocks/best-ira-accounts/)[Social Security 101](https://www.fool.com/retirement/social-security/)[How to Maximize Social Security?](https://www.fool.com/retirement/social-security/how-to-maximize-social-security/)[Full Retirement Age](https://www.fool.com/retirement/social-security/full-retirement-age/)[COLAs](https://www.fool.com/retirement/social-security/colas/)[Calculate Your SS Benefits](https://www.fool.com/retirement/social-security/benefits-formula/)[Collecting Spousal Benefits](https://www.fool.com/retirement/social-security/spousal-benefits/)[Maximize Social Security Benefit](https://www.fool.com/retirement/social-security/how-to-maximize-social-security/)[How Much Do I Need to Retire?](https://www.fool.com/retirement/how-much-do-i-need/)[When To Retire](https://www.fool.com/retirement/strategies/when-can-i-retire/)[401(k) Plans](https://www.fool.com/retirement/plans/401k/)[403(b) Plans](https://www.fool.com/retirement/plans/403b/)[Roth IRA Plans](https://www.fool.com/retirement/plans/roth-ira/)[IRA Plans](https://www.fool.com/retirement/plans/ira/)[HSA Plans](https://www.fool.com/retirement/plans/hsa/)[Complete Retirement Guide](https://www.fool.com/retirement/complete-guide/)[Best & Worst States to Retire](https://www.fool.com/research/best-states-to-retire/)[Average Retirement Savings](https://www.fool.com/research/average-retirement-savings/)[Moving for Retirement](https://www.fool.com/retirement/relocation/)[Healthcare in Retirement](https://www.fool.com/retirement/healthcare-in-retirement/)[Understanding Taxes in Retirement](https://www.fool.com/retirement/taxes/)[401(k) Minimum Distributions](https://www.fool.com/retirement/plans/401k/required-minimum-distributions/) - Personal Finance [Best Credit Cards](https://www.fool.com/money/credit-cards/best-credit-cards/)[Compare Credit Cards](https://www.fool.com/money/credit-cards/compare-cards/)[Credit Card Reviews](https://www.fool.com/money/credit-cards/reviews/)[Credit Card Guides and Tools](https://www.fool.com/money/credit-cards/guides-tools/)[Best Savings Accounts](https://www.fool.com/money/banks/savings-accounts/best-savings-accounts/)[Bank Reviews](https://www.fool.com/money/banks/reviews/)[Best Personal Loans](https://www.fool.com/money/personal-loans/)[Personal Loan Reviews](https://www.fool.com/money/personal-loans/reviews/)[Best Mortgage Lenders](https://www.fool.com/money/mortgages/best-mortgage-lenders/)[Current Mortgage Rates](https://www.fool.com/money/mortgages/rates/)[Mortgage Lender Reviews](https://www.fool.com/money/mortgages/reviews/)[Guide to Mortgages](https://www.fool.com/money/mortgages/)[Auto Insurance](https://www.fool.com/money/insurance/auto/)[Home Insurance](https://www.fool.com/money/insurance/homeowners/)[Life Insurance](https://www.fool.com/money/insurance/life/) - About Us [About Us](https://www.fool.com/about/)[Contact Us](https://www.fool.com/contact/customer-service/)[Investing Philosophy](https://www.fool.com/about/investing-philosophy/)[Motley Fool Money](https://www.fool.com/money/)[The Motley Fool Foundation](https://foolfoundation.org/)[Reviews](https://www.fool.com/about/reviews/)[Newsroom](https://www.fool.com/contact/newsroom/)[YouTube](https://www.youtube.com/channel/UCpRQuynBX9Qy9tPrcswpPag)[LinkedIn](https://www.linkedin.com/company/the-motley-fool/)[X](https://x.com/themotleyfool)[Facebook](https://www.facebook.com/themotleyfool/)[Instagram](https://www.instagram.com/themotleyfoolofficial/)[Discussion Boards](https://discussion.fool.com/)[CAPS - Stock Picking Community](https://caps.fool.com/)[Advertise With Us](https://www.fool.com/advertising/)[Become an Affiliate Partner](https://www.fool.com/affiliates/)[Publishing Standards](https://www.fool.com/about/the-motley-fools-publishing-standards/)[All Services](https://www.fool.com/services/)[Stock Advisor](https://www.fool.com/services/stock-advisor/)[Epic](https://www.fool.com/services/epic/)[Epic Plus](https://www.fool.com/services/epic-plus/)[Fool Portfolios](https://www.fool.com/services/fool-portfolios/)[Fool One](https://www.fool.com/services/one/) - [Top 10 Stocks to Buy Now ›](https://api.fool.com/infotron/splitter/route/article-template-button?apikey=5c8e52dd-1bea-455e-87f5-d5506e590f21) [Top 10 Stocks to Buy Now ›](https://api.fool.com/infotron/splitter/route/article-template-button?apikey=5c8e52dd-1bea-455e-87f5-d5506e590f21) [S\&P 500 6,829.36+0.7% +46.55](https://www.fool.com/quote/snpindex/^gspc/) [DJI 48,296.67+0.8% +386.75](https://www.fool.com/quote/djindices/^dji/) [NASDAQ 22,812.46+0.8% +177.47](https://www.fool.com/quote/nasdaqindex/^ixic/) [Bitcoin \$72,436.00+0.9% +\$618.63](https://www.fool.com/quote/crypto/btc/) [AMZN \$231.06+4.4% +\$9.81](https://www.fool.com/quote/nasdaq/amzn/) [GOOG \$316.95+0.7% +\$2.21](https://www.fool.com/quote/nasdaq/goog/) [META \$630.87+3.0% +\$18.45](https://www.fool.com/quote/nasdaq/meta/) [MSFT \$372.22-0.6% -\$2.11](https://www.fool.com/quote/nasdaq/msft/) [NVDA \$183.51+0.8% +\$1.43](https://www.fool.com/quote/nasdaq/nvda/) [TSLA \$348.32+1.5% +\$5.07](https://www.fool.com/quote/nasdaq/tsla/) [Most Active Stocks](https://www.fool.com/markets/most-active-stocks/)[Daily Stock Gainers](https://www.fool.com/markets/top-stock-gainers/)[Daily Stock Losers](https://www.fool.com/markets/top-stock-losers/) [Most Active Stocks](https://www.fool.com/markets/most-active-stocks/)[Daily Stock Gainers](https://www.fool.com/markets/top-stock-gainers/)[Daily Stock Losers](https://www.fool.com/markets/top-stock-losers/) 1. [Home](https://www.fool.com/)\> 2. [Retirement](https://www.fool.com/retirement/)\> 3. [Plans](https://www.fool.com/retirement/plans/)\> 4. 401k # What Is a 401(k) and How Does It Work? By [Kailey Hagen](https://www.fool.com/author/20025/) – Updated Apr 7, 2026 at 12:47 PM EST \| Fact-checked by [Parker Hicks](https://www.fool.com/author/20662/) [Follow us](https://profile.google.com/cp/CgkvbS8wNTc4bWs) Share ## Key Points - 401(k) contributions are pre-tax, lowering taxable income and deferred taxes on investment gains. - Employers may match a percentage of your 401(k) contributions, effectively offering free money. - Withdrawal options start at age 59 1/2 usually, with a 10% penalty for earlier access. - [What is a 401(k)?](https://www.fool.com/retirement/plans/401k/#toc_what-is-a-401k) - [How does a 401(k) work?](https://www.fool.com/retirement/plans/401k/#toc_how-does-a-401k-work) - [Understanding the employer match and vesting](https://www.fool.com/retirement/plans/401k/#toc_understanding-the-employer-match-and-vesting) - [401(k) contribution rules](https://www.fool.com/retirement/plans/401k/#toc_401k-contribution-rules) - [Choose what to invest in](https://www.fool.com/retirement/plans/401k/#toc_choose-what-to-invest-in) - [Understand the Roth 401(k) option](https://www.fool.com/retirement/plans/401k/#toc_understand-the-roth-401k-option) - [401(k) withdrawal rules](https://www.fool.com/retirement/plans/401k/#toc_401k-withdrawal-rules) - [401(k) rollovers](https://www.fool.com/retirement/plans/401k/#toc_401k-rollovers) - [The bottom line](https://www.fool.com/retirement/plans/401k/#toc_the-bottom-line) Loading paragraph... Loading image... Loading paragraph... Loading paragraph... Loading paragraph... Loading table... Loading paragraph... Loading paragraph... Loading paragraph... Loading table... Loading paragraph... Loading paragraph... Loading callout... Loading paragraph... Loading paragraph... Loading paragraph... Loading faq... ### About the Author  Kailey Hagen, CFP, is a contributing Motley Fool retirement analyst covering Social Security, Medicare, and retirement planning. Before The Motley Fool, Kailey was a research analyst for Reviews.com focusing on credit and banking products. She is a Certified Financial Planner® and holds a bachelor’s degree in English from the University of Wisconsin-Madison. [TMFKailey](https://www.fool.com/author/20025/) The Motley Fool has a [disclosure policy](https://www.fool.com/legal/fool-disclosure-policy/). ## Read Next [](https://www.fool.com/retirement/plans/401k/losing-money/) [What to Do if Your 401(k) Is Losing Money](https://www.fool.com/retirement/plans/401k/losing-money/) [](https://www.fool.com/retirement/plans/401k/401k-to-ira/) [How to Roll Over Your 401(k) to an IRA](https://www.fool.com/retirement/plans/401k/401k-to-ira/) [](https://www.fool.com/retirement/plans/401k/loan/) [7 Things You Need to Know if You're Considering a 401(k) Loan](https://www.fool.com/retirement/plans/401k/loan/) [](https://www.fool.com/retirement/plans/401k/average-balance-by-age/) [This Is the Average 401(k) Balance. How Does Yours Compare?](https://www.fool.com/retirement/plans/401k/average-balance-by-age/) [](https://www.fool.com/retirement/plans/401k/max-out/) [When You Should and Shouldn't Max Out Your 401(k)](https://www.fool.com/retirement/plans/401k/max-out/) [](https://www.fool.com/retirement/plans/401k/divorce/) [How to Protect Your 401(k) During Divorce](https://www.fool.com/retirement/plans/401k/divorce/) ## Premium Investing Services Invest better with The Motley Fool. Get stock recommendations, portfolio guidance, and more from The Motley Fool's premium services. [View Premium Services](https://www.fool.com/services/?ftm_cam=footer-services-sitewide-prospects) [](https://www.fool.com/) Making the world smarter, happier, and richer. - [Facebook](https://www.facebook.com/themotleyfool) - [Twitter](https://x.com/TheMotleyFool) - [LinkedIn](https://www.linkedin.com/company/the-motley-fool/) - [Pinterest](https://www.pinterest.com/themotleyfool/) - [YouTube](https://www.youtube.com/user/TheMotleyFool) - [Instagram](https://www.instagram.com/themotleyfoolofficial/) - [TikTok](https://www.tiktok.com/@themotleyfoolofficial) © 1995 - 2026 The Motley Fool. All rights reserved. Market data powered by [Xignite](https://xignite.com/) and [Polygon.io](https://polygon.io/). About The Motley Fool - [About Us](https://www.fool.com/about/) - [Careers](https://careers.fool.com/) - [Research](https://www.fool.com/research/) - [Newsroom](https://www.fool.com/contact/newsroom/) - [Contact](https://www.fool.com/legal/contact-us/) - [Advertise](https://www.fool.com/cdn-cgi/l/email-protection#5d3c3934332c28342f34382e1d3b323231733e3230) Our Services - [All Services](https://www.fool.com/services/) - [Stock Advisor](https://www.fool.com/services/stock-advisor/) - [Epic](https://www.fool.com/services/epic/) - [Epic Plus](https://www.fool.com/services/epic-plus/) - [Fool Portfolios](https://www.fool.com/services/fool-portfolios/) - [Fool One](https://www.fool.com/services/one/) - [Motley Fool Money](https://www.fool.com/money/) Around the Globe - [Fool UK](https://www.fool.co.uk/) - [Fool Australia](https://www.fool.com.au/) - [Fool Canada](https://www.fool.ca/) Free Tools - [CAPS Stock Ratings](https://caps.fool.com/) - [Discussion Boards](https://discussion.fool.com/) - [Calculators](https://www.fool.com/calculators/index/) - [Financial Dictionary](https://www.fool.com/terms/) Affiliates & Friends - [Motley Fool Asset Management](https://www.fool.com/affiliates/mfam/) - [Motley Fool Wealth Management](https://www.fool.com/affiliates/mfwm/) - [Motley Fool Ventures](https://www.fool.com/affiliates/ventures/) - [Fool Community Foundation](https://www.fool.com/affiliates/foundation/) - [Become an Affiliate Partner](https://www.fool.com/affiliates/) - [Terms of Use](https://www.fool.com/legal/terms-and-conditions/fool-rules/ "Terms of Use") - [Privacy Policy](https://www.fool.com/legal/privacy-statement/ "Privacy Policy") - [Disclosure Policy](https://www.fool.com/legal/fool-disclosure-policy/ "Disclosure Policy") - [Accessibility Policy](https://www.fool.com/legal/accessibility-policy/ "Accessibility Policy") - [Copyright, Trademark and Patent Information](https://www.fool.com/legal/stuff-we-own/ "Copyright, Trademark and Patent Information") - [Terms and Conditions](https://www.fool.com/legal/terms-and-conditions/ "Terms and Conditions") - [Do Not Sell My Personal Information](https://www.fool.com/data-protection/ccpa-update/ "Do Not Sell My Personal Information")  Image source: The Motley Fool. Contribution Type 2025 Limit 2026 Limit Standard employee contribution \$23,500 \$24,500 Catch-up contribution (age 50+) \$7,500 \$8,000 Super catch-up (ages 60–63) \$11,250 \$11,250 Total including employer contributions \$70,000 \$72,000 Traditional 401(k) Roth 401(k) Contributions Pre-tax (reduces taxable income now) After-tax (no immediate tax break) Investment growth Tax-deferred Tax-free Withdrawals in retirement Taxed as ordinary income Tax-free RMDs Required starting at age 73 No longer required (as of 2024)  How to do a withdrawal from a 401(k) ## 401(k) FAQs ### ### ### ### Understand all the ways you can [take money out of your 401(k)](https://www.fool.com/retirement/plans/401k/how-can-i-take-money-out/) ### What is a 401(k)? ### How much do you need in a 401(k) to get \$1,000 a month in retirement? ### How much will \$10,000 in a 401(k) be worth in 20 years? ### How much should a 25-year-old have in a 401(k)? If you want to retire someday, and retire well, a 401(k) is one of the most powerful tools available to you. It's a retirement savings account sponsored by your employer that lets you invest a portion of each paycheck, grow that money tax-advantaged, and potentially collect free money from your employer along the way. Here's everything you need to know to use it well. ## What is a 401(k)? A 401(k) is a retirement savings plan offered through your employer. You contribute a percentage of your paycheck, invest those funds in the market, and benefit from significant tax advantages while your money grows. The name comes from the section of the IRS tax code that created it -- not the most inspiring origin story, but the account itself is genuinely one of the best wealth-building tools available to working Americans. ## How does a 401(k) work? When you enroll in your employer's 401(k) plan, you choose a contribution rate, the percentage of your salary that gets deposited into the account each pay period. That money is deducted from your paycheck before income taxes are applied, which lowers your taxable income for the year. For example, if you earn \$60,000 a year and contribute 10%, you're putting \$6,000 into your 401(k) annually. But because those contributions are pre-tax, you're not actually losing a full \$6,000 from your take-home pay -- the tax savings offset some of the difference. Once the money is in your account, you invest it. Your plan will offer a menu of investment options, typically mutual funds, index funds, and target-date funds. Your money then grows tax-deferred, meaning you don't owe taxes on dividends, interest, or gains until you withdraw funds in retirement. ## Understanding the employer match and vesting Many employers sweeten the deal by matching a portion of your contributions. A common structure is a 50% match on contributions up to 6% of your salary, meaning if you contribute 6%, your employer adds another 3% on top. That's effectively a 50% instant return on part of your investment, which is why financial advisors consistently say: **always contribute at least enough to get the full employer match.** However, there's an important catch: [**vesting schedules**](https://www.fool.com/retirement/plans/401k/vesting/)**.** Employer contributions often don't fully belong to you until you've worked at the company for a certain number of years. Common structures include: - **Cliff vesting:** You own 0% of employer contributions until a set date (often 3 years), then 100% immediately. - **Graded vesting:** You gradually earn ownership over time. For example, 20% per year over five years. If you leave a job before you're fully vested, you forfeit the unvested portion of your employer's contributions. Your own contributions are always 100% yours from day one. ## Know your 401(k) contribution limits The IRS caps how much you can contribute each year. Here are the limits for 2025 and 2026: A few things to keep in mind: - [Catch-up contributions](https://www.fool.com/terms/c/catch-up-contributions/) are available starting at age 50 and allow you to accelerate savings as retirement nears. - The super catch-up for ages 60–63 is a newer provision under the SECURE Act 2.0. - Total contribution limits include your contributions plus employer matching and any other employer-funded deposits. - You can contribute to both a 401(k) and an IRA in the same year, though income limits may affect IRA deductibility. ## Choose what to invest in Opening a 401(k) is step one. Choosing *how* to invest the money is just as important, and where many people get stuck. Most 401(k) plans offer a menu of funds to choose from. Here's what you'll typically encounter: - [**Index funds**](https://www.fool.com/investing/how-to-invest/index-funds/) track a broad market index like the S\&P 500. They're diversified, low-cost, and tend to outperform actively managed funds over the long run. For most people, a core of index funds is the right starting point. - [**Target date funds**](https://www.fool.com/retirement/strategies/target-date-funds/) are all-in-one funds that automatically shift toward a more conservative allocation as your target retirement year approaches. They're a solid hands-off option -- just pick the fund closest to your expected retirement year. - [**Actively managed funds**](https://www.fool.com/investing/how-to-invest/mutual-funds/) are run by portfolio managers trying to beat the market. They tend to have higher fees (expense ratios) and often underperform index funds over time. Check the expense ratio before investing — anything above 0.5% deserves scrutiny. - [**Company stock**](https://www.fool.com/terms/s/stock/) is sometimes offered as an option. Be careful here. Concentrating too much of your retirement savings in your employer's stock means your job and your retirement savings are exposed to the same risk at the same time. One thing to always check: the **expense rat** to invest the money is just as important and where many people get stuck. compounds significantly over decades. A \$100,000 portfolio with a 1% expense ratio will be worth roughly \$30,000 less over 20 years than the same portfolio with a 0.5% expense ratio. ## Understand the Roth 401(k) option Many employers now offer a Roth 401(k) option alongside the traditional version. The key difference is when you pay taxes: Which should you choose? A useful rule of thumb: - If you expect to be in a **lower tax bracket in retirement** than you are now, the traditional 401(k) is likely better. You get the deduction when it's most valuable. - If you expect to be in a **higher tax bracket in retirement**, or you're early in your career and currently in a low bracket, the Roth 401(k) often makes more sense. You pay taxes now at a lower rate and enjoy tax-free growth for decades. - If you're unsure, [splitting contributions between traditional and Roth](https://www.fool.com/retirement/plans/401k/contribute-to-401k-and-roth-ira/) gives you tax diversification in retirement. ## Know the withdrawal rules The 401(k) is designed for retirement, and the IRS enforces that with penalties for early access. **Standard withdrawals:** You can take penalty-free withdrawals starting at age 59½. If you leave your employer at age 55 or older, you may be able to access the funds penalty-free under the "Rule of 55." **Early withdrawals:** Withdrawals before age 59½ are generally subject to a 10% penalty plus ordinary income taxes. Exceptions include: - Permanent disability - Substantial medical expenses - Substantially equal periodic payments (SEPP/72(t) distributions) - Qualified domestic relations orders (divorce settlements) - Death (distributions to beneficiaries) **Required minimum distributions (RMDs):** Starting at age 73, you must begin taking annual withdrawals from a traditional 401(k) whether you need the money or not. The amount is calculated based on your account balance and life expectancy. Roth 401(k)s are no longer subject to RMDs as of 2024. **401(k) loans:** Some plans allow you to borrow against your balance — typically up to 50% of your vested balance or \$50,000, whichever is less. You repay yourself with interest, but if you leave your job, the loan usually becomes due by your next tax filing deadline. Unpaid loans are treated as distributions and taxed accordingly. ## 401(k) rollovers When you leave a job, you have four options for your 401(k): 1. **Roll it into your new employer's 401(k):** Simple and keeps everything consolidated 2. **Roll it into an IRA:** Often gives you more investment options and potentially lower fees 3. **Leave it with your former employer:** Allowed in most cases if your balance is above \$5,000, but you lose the ability to make new contributions 4. **Cash it out:** Almost always the wrong move; you'll owe income taxes plus a 10% penalty if you're under 59½ If you do roll over, always opt for a [direct rollover](https://www.fool.com/terms/r/rollover/) -- your plan administrator sends the money straight to the new account. If the check comes to you instead, 20% will be withheld for taxes, and you'll have 60 days to deposit the full original amount (including the withheld portion) into a new account or face taxes and penalties on the difference. ## What if your employer doesn't offer a 401(k)? Not everyone has access to an employer-sponsored plan. If that's your situation: - **Traditional or Roth IRA:** Contribution limits are lower (\$7,000 in 2025 and 2026, plus \$1,000 catch-up if 50+), but these accounts offer strong tax advantages and broad investment flexibility. - **SEP-IRA or Solo 401(k)**: If you're self-employed or have freelance income, these options allow significantly higher contribution limits. - **Taxable brokerage account**: No tax advantages, but no contribution limits either; a good option once you've maxed tax-advantaged accounts. ## The bottom line The 401(k) is one of the most effective wealth-building tools available, especially when you start early, capture the full employer match, keep fees low, and let compound growth do its work over decades. The mechanics take a few hours to understand. The payoff lasts a lifetime.

Loading paragraph... Loading image... Loading paragraph... Loading paragraph... Loading paragraph... Loading table... Loading paragraph... Loading paragraph... Loading paragraph... Loading table... Loading paragraph... Loading paragraph... Loading callout... Loading paragraph... Loading paragraph... Loading paragraph... Loading faq... ### About the Author  Kailey Hagen, CFP, is a contributing Motley Fool retirement analyst covering Social Security, Medicare, and retirement planning. Before The Motley Fool, Kailey was a research analyst for Reviews.com focusing on credit and banking products. She is a Certified Financial Planner® and holds a bachelor’s degree in English from the University of Wisconsin-Madison. The Motley Fool has a [disclosure policy](https://www.fool.com/legal/fool-disclosure-policy/). ## Read Next [](https://www.fool.com/retirement/plans/401k/losing-money/) [](https://www.fool.com/retirement/plans/401k/401k-to-ira/) [](https://www.fool.com/retirement/plans/401k/loan/) [](https://www.fool.com/retirement/plans/401k/average-balance-by-age/) [](https://www.fool.com/retirement/plans/401k/max-out/) [](https://www.fool.com/retirement/plans/401k/divorce/)