401(k) Match Explained: How It Works (2026 Limits)

Salary • By Hassan Raza • Published October 21, 2026 • Updated October 21, 2026

If your job offer or new-hire packet mentions a "401(k) match," it's talking about one of the most valuable parts of a typical U.S. benefits package, and one of the most misunderstood. A match is money your employer adds to your retirement account when you contribute. How much you actually get, though, depends on the formula, how much you put in, and how long you stay.

To get the 401(k) match explained properly, we'll work through the common match formulas with worked examples, then vesting, the 2026 IRS contribution limits, and what to do when you start a new job or leave one.

Note: This is general information, not tax or investment advice. Every plan is different. Your plan's Summary Plan Description (SPD) is the document that controls the details.

What Is a 401(k) Match?

A 401(k) is an employer-sponsored retirement plan. You choose a percentage of each paycheck to contribute, and your employer may add money too. A match is an employer contribution that depends on what you contribute. If you put in nothing, you get no match.

Some employers instead make non-elective contributions, a set percentage of pay that goes in whether or not you contribute. Some do both, and some do neither. Ask during the offer stage, since our guide to evaluating a job offer treats retirement contributions as part of total compensation.

Common Match Formulas, With Examples

Match formulas are usually written as "X% of the first Y% of pay." Here's how three common structures play out for someone earning $70,000 a year.

Example 1: 100% of the First 4%

Your employer matches dollar for dollar up to 4% of your salary. - You contribute 4% → $2,800 - Employer adds 100% of that → $2,800 - If you contribute only 2% ($1,400), the employer adds $1,400

Example 2: 50% of the First 6%

Your employer adds 50 cents for every dollar you contribute, up to 6% of pay. - You contribute 6% → $4,200 - Employer adds 50% → $2,100 - Contributing more than 6% doesn't increase the match

Example 3: Tiered Match (100% of the First 3%, 50% of the Next 2%)

• First 3% ($2,100) matched fully → $2,100
• Next 2% ($1,400) matched at half → $700
• You contribute 5% ($3,500) → employer adds $2,800

What to aim for: figure out the contribution percentage that gets you the full match. Put in less and you're leaving employer money on the table.

Per-Paycheck Matching and "True-Up"

Many plans calculate the match each pay period. If you hit the annual IRS limit early in the year by contributing heavily, you could miss match money in later paychecks, unless your plan does a year-end "true-up." Ask HR whether yours does one.

Vesting: When the Match Is Really Yours

Your own contributions are always 100% yours, according to the IRS. Employer contributions may come with a vesting schedule, meaning you earn ownership over time. If you leave before you're fully vested, you may lose the unvested part.

Under federal rules described by the IRS and the Department of Labor, employer matching contributions must vest at least as fast as one of these schedules:

Plans can vest faster. Many vest immediately. Certain types, such as safe harbor 401(k) plans, generally require the employer's safe harbor contributions to be fully vested right away. One exception: a QACA (automatic-enrollment safe harbor plan) can require up to two years of service.

Example: You've been at a company two years, under a 3-year cliff schedule, with $5,000 in employer match. If you leave now, you may forfeit that $5,000. Staying until your three-year anniversary would make all of it yours. That's worth knowing when you're weighing an offer or planning your next move.

2026 401(k) Contribution Limits (IRS)

The IRS announced these limits for 2026 (IR-2025-111 and Notice 2025-67):

Important details: - The employer match doesn't count toward your $24,500 elective deferral limit, but it does count toward the $72,000 total annual additions limit. - If you have two jobs in one year, your elective deferrals across all plans are generally combined for the $24,500 limit. That's especially relevant if you change jobs mid-year. Tell your new employer's plan or track it yourself so you don't over-contribute. - Under SECURE 2.0, higher earners may have to make catch-up contributions as Roth contributions. For 2026, that applies if your prior-year (2025) FICA wages from the employer sponsoring the plan were more than $150,000, according to IRS Notice 2025-67. Check with your plan.

Traditional vs. Roth 401(k)

Many plans offer both kinds: - Traditional 401(k): contributions generally reduce your taxable income now, and withdrawals in retirement are taxed. - Roth 401(k): contributions are made after tax, and qualified withdrawals in retirement can be tax-free.

Employer matches have traditionally gone into the pre-tax account. Some plans now allow other options. Which is better depends on your tax situation now and what you expect later. A tax professional can help.

Starting a New Job: Your 401(k) Checklist

1. Find out when you're eligible. Some plans let you start right away, and others require a waiting period.
2. Check whether you were auto-enrolled, and at what percentage. It may be below the full-match level.
3. Set your contribution to at least the full-match percentage, if your budget allows.
4. Choose your investments. If you don't, your money may go into the plan's default fund.
5. Name your beneficiaries.
6. Note the vesting schedule and your vesting anniversary dates.
7. Bring old accounts together if you want to, by rolling over an old 401(k) (see below).

Our first 90 days guide covers other benefits paperwork to handle early.

Leaving a Job: What Happens to Your 401(k)?

You keep your own contributions and the vested part of employer contributions. Your options typically include leaving it in the old plan (if allowed), rolling it into your new employer's plan or an IRA, or taking a distribution. The IRS explains:

• A direct rollover moves the money straight to the new plan or IRA, with no withholding.
• If the plan pays you directly, it generally withholds 20%, and you have 60 days to roll it over.
• If you're under 59½ and don't roll over the money, the taxable amount is generally subject to income tax plus a 10% additional tax, unless an exception applies.

How to Compare 401(k) Benefits Between Offers

When you're comparing offers, convert each match into dollars:

Offer B pays $2,000 less in salary but $1,500 more in match, and the match is yours immediately. If you might leave within three years, the difference is even bigger. See our salary negotiation guide if you want to negotiate on the overall package.

Frequently Asked Questions

Is a 401(k) match free money? It's employer money added to your account, but you generally have to contribute to receive it, and it may vest over time.

What's a good 401(k) match? It varies widely. Compare matches in dollars at your salary, and factor in the vesting schedule.

Does the match count toward my contribution limit? Not toward the $24,500 employee deferral limit for 2026, but it does count toward the $72,000 total additions limit.

What happens to my unvested match if I'm laid off? Generally, unvested amounts may be forfeited, though some plans have different rules. Check your SPD and ask HR.

Can I contribute more than the match? Yes, up to the IRS limit of $24,500 in 2026 (plus catch-up if eligible), unless your plan sets a lower limit.

Should I contribute if my employer doesn't offer a match? It can still be worthwhile, because a 401(k) gives you tax advantages and automatic payroll saving. Whether it's the best place for your money depends on your situation, including emergency savings and debt. A financial professional can help you decide.

Where do I find my plan's exact match and vesting rules? In your plan's Summary Plan Description (SPD), which you can request from HR or the plan administrator if you don't have a copy.

Related Guides

• Not at the offer stage yet? Begin with how to find a job in the U.S..
• Laid off? See what to do after a layoff.
• Comparing contract pay? Read W-2 vs 1099.

Sources

1. Internal Revenue Service, "401(k) limit increases to $24,500 for 2026, IRA limit increases to $7,500" (IR-2025-111): https://www.irs.gov/newsroom/401k-limit-increases-to-24500-for-2026-ira-limit-increases-to-7500
2. Internal Revenue Service, Notice 2025-67 (PDF): https://www.irs.gov/pub/irs-drop/n-25-67.pdf
3. Internal Revenue Service, "Retirement topics – 401(k) and profit-sharing plan contribution limits": https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-401k-and-profit-sharing-plan-contribution-limits
4. Internal Revenue Service, "Retirement topics – Catch-up contributions": https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-catch-up-contributions
5. Internal Revenue Service, "Retirement topics – Vesting": https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-vesting
6. U.S. Department of Labor, EBSA, "What You Should Know About Your Retirement Plan": https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/resource-center/publications/what-you-should-know-about-your-retirement-plan
7. Internal Revenue Service, "Rollovers of retirement plan and IRA distributions": https://www.irs.gov/retirement-plans/plan-participant-employee/rollovers-of-retirement-plan-and-ira-distributions