What Does It Mean to Be Vested in Your 401(k)?
Your vested balance is the part of your 401(k) you actually own, meaning the amount you keep if you leave your job today. Your own paycheck contributions are always 100% yours. Employer contributions vest on a schedule that can run up to six years, so if you are 60% vested, you own 60% of the employer money and forfeit the rest.
On this page
Cliff. 0% until 3 years of service, then 100%. Graded. At least 20% after 2 years, rising 20% each year, reaching 100% by 6 years. Safe harbor contributions are 100% vested immediately (a QACA safe harbor plan may use a 2-year cliff). Your own deferrals are always 100% vested from day one.
Source: IRC §411(a)(2)(B); IRC §401(k)(13)
Most people meet the word “vested” for the first time when they are thinking about leaving a job, which is the worst possible moment to learn that some of the money on your statement was never quite yours. This page explains what the vested balance really is, how the two legal schedules work, and how to find out where you stand before you hand in a resignation letter.
What is a vested balance?
Your 401(k) holds money from more than one source. There is what you put in yourself out of your paycheck, either pre-tax or Roth. Then there is employer money, such as the match or profit-sharing contributions.
Your vested balance is the sum of everything you would walk away with if you quit today. That is 100% of your own contributions and the earnings on them, plus your vested percentage of the employer money and the earnings on that.
So a statement might show a $50,000 total balance but a $44,000 vested balance. That $6,000 gap is employer money you have not yet earned the right to keep. Stay long enough and the gap closes to zero on its own. Leave early and it is forfeited.
Understanding the 60% vested example
If your plan tells you that you are 60% vested, it means you own 60% of all the employer contributions in your account. Separate from service now and you take that 60% with you. The other 40% is forfeited and returned to the plan.
This only ever applies to employer contributions. The money you contributed yourself is always 100% vested, by federal law, from your very first payday (IRC §411(a)(1)). No plan can put your own deferrals behind a schedule, so nothing you personally contributed is ever at risk of forfeiture.
How much of my employer match is vested?
| Employer contributions and their earnings (from your statement) | $_______ |
| Your vesting percentage, from your plan’s schedule | _______% |
| Vested employer money (multiply the two lines above) | $_______ |
| Your own contributions and their earnings (always 100% yours) | $_______ |
| Total you keep if you leave today | $_______ |
Find the first two lines on your recordkeeper’s website, usually under a “sources” or “contribution detail” view. Here is the arithmetic worked through with real numbers. Say you have $20,000 of employer match in the account, you are at four years of service, and your plan uses the slowest legal graded schedule, which puts you at 60% vested. Multiply $20,000 by 60% and you keep $12,000 of the match, while $8,000 is forfeited. Add your own $38,000 of deferrals and earnings, which are fully yours no matter what, and the total you walk away with is $50,000. If you are not sure of your vesting percentage, the schedule table below shows what each year of service is worth under each of the two legal schedules.
How do 401(k) vesting schedules work?
Federal law sets the slowest schedule an employer is allowed to use. The plan document then picks the actual schedule, and plenty of employers are more generous than the law requires, with immediate 100% vesting being fairly common. There are two schedule types, and your plan uses one or the other for each type of employer contribution.
- Cliff vesting. You own 0% of the employer money until you reach the cliff, and then you own 100% of it all at once. The cliff can be set no later than 3 years of service.
- Graded vesting. Your ownership rises step by step each year. It can be no slower than 20% after year 2, climbing to 100% no later than year 6.
| Years of service | 3-year cliff (max) | 2–6 year graded (max) |
|---|---|---|
| 1 | 0% | 0% |
| 2 | 0% | 20% |
| 3 | 100% | 40% |
| 4 | 100% | 60% |
| 5 | 100% | 80% |
| 6 | 100% | 100% |
These maximums date to the Pension Protection Act of 2006, which shortened the older 5-year-cliff and 7-year-graded rules that applied before it. Any schedule you see on a plan today has to be at least this fast. Your summary plan description states which one your plan actually uses, and it is worth looking up rather than guessing.
Cliff vs. graded on $20,000 of employer contributions
| Years of service when you leave | 3-year cliff | 2–6 year graded | Which schedule treats you better |
|---|---|---|---|
| 1 year | $0 | $0 | Neither, nothing is vested yet |
| 2 years | $0 | $4,000 | Graded |
| 3 years | $20,000 | $8,000 | Cliff, by $12,000 |
| 4 years | $20,000 | $12,000 | Cliff, by $8,000 |
| 5 years | $20,000 | $16,000 | Cliff, by $4,000 |
| 6 years | $20,000 | $20,000 | Identical, both are fully vested |
Both columns assume the slowest schedule the law allows, and both assume $20,000 of employer contributions and earnings sitting in the account. The pattern is worth internalizing. A cliff schedule is brutal for the first three years and then generous, while a graded schedule gives you something earlier but takes twice as long to finish. Neither is better in the abstract. What matters is which one your plan uses and how close you are to the next step on it.
Forfeitures: what happens to unvested money
The unvested portion of employer contributions is forfeited. It is removed from your account after you separate, or after you take a distribution, depending on what your plan’s terms say.
Forfeited money does not get redistributed to your former coworkers’ accounts. It goes into the plan’s forfeiture account, which the employer typically uses to pay plan expenses or to offset its own future contributions. There is no mechanism to ask for it back later, although the rehire rules further down this page can restore it in some situations.
Timing here is worth real money. If you are at two years and eleven months of service on a three-year cliff, leaving one month early forfeits every single dollar of employer contributions in your account. Check your vesting date before you set a resignation date, not after.
Full vesting after six years of service
Six years of service makes you fully vested under any legal schedule. The slowest graded schedule the law permits reaches 100% at 6 years, and the slowest cliff reaches it at 3.
So by the time you hit 8 years of service, you are fully vested in employer contributions no matter what schedule your plan chose, assuming those years count as years of service under the plan’s own counting rules, which is the subject of the next section. Anyone past 6 years of service can safely treat the entire balance on their statement as theirs.
Counting years of service
A “year of service” is not always a calendar year of employment, and this is where plans differ in ways that catch part-time workers off guard.
Most plans define a year of service as a 12-month period in which you work at least 1,000 hours, which is roughly half-time. Under that method, someone working 25 hours a week vests on the same calendar as a full-time colleague, while someone working below the threshold may earn no vesting credit for that year at all.
Other plans use elapsed time instead, counting calendar years from your hire date regardless of how many hours you worked. Your plan document controls which method applies to you. One detail worth asking about is that vesting service often includes years you worked for the employer before you were eligible to join the plan, which can put you further along the schedule than you expected.
Safe harbor contributions and immediate vesting
Safe harbor matching and safe harbor nonelective contributions have to be 100% vested the moment they are made. A safe harbor plan is one that satisfies the IRS nondiscrimination tests automatically by promising a set employer contribution, and immediate vesting is part of the bargain.
There is one exception. A QACA plan, which stands for qualified automatic contribution arrangement, may apply up to a 2-year cliff to its safe harbor contributions (IRC §401(k)(13)).
One more thing to be aware of. Regular matching or profit-sharing money in the same plan can still follow a normal cliff or graded schedule, so a single account can easily hold several sources with different vesting percentages attached to each. That is why the “sources” view on your recordkeeper’s site is more useful than the headline balance.
Rehire rules and prior service
If you left and came back, your prior service generally still counts. Where you were partially or fully vested when you left, your earlier years of service typically carry over on rehire and you pick up where you left off.
The picture changes if you were 0% vested and stayed away a long time. Where you were 0% vested and had generally five or more consecutive one-year breaks in service, the plan may disregard your prior service under the break-in-service rules. Return sooner than that and your old years usually come back with you, and amounts you previously forfeited may even be restored if you repay any distribution you took on the way out.
Rehire rules are technical and vary from plan to plan more than almost anything else in this area. Your plan document controls, so ask the administrator for a written copy of your service history rather than reconstructing it yourself.
Finding your vested balance
Your quarterly statement and your recordkeeper’s website both show it directly. The recordkeeper is the company that administers the plan’s accounts day to day, such as Fidelity, Empower, Vanguard, Principal, or Voya.
Look for a line labeled “vested balance” next to your total balance, or for a “sources” view that breaks out each contribution type with its own vested percentage. If the two numbers are the same, you are fully vested and there is nothing to worry about.
If the site does not display vesting at all, call the plan’s participant line and ask. The plan administrator must be able to tell you your vested percentage and the schedule it comes from, and you are entitled to that answer.
| Your own deferrals + earnings | $38,000 | 100% yours |
| Employer match + earnings | $20,000 | 60% vested |
| Vested employer money | $12,000 | you keep |
| Forfeited | −$8,000 | returned to plan |
| Total you take with you | $50,000 |
Frequently asked questions
Does vesting apply to the money I put in myself?
No. Your own elective deferrals, whether pre-tax, Roth, or after-tax, plus all the earnings on them, are 100% vested at all times (IRC §411(a)(1)). Vesting schedules only ever apply to employer contributions such as matching and profit sharing.
Am I automatically fully vested when I retire?
Yes. You must be 100% vested once you reach the plan’s normal retirement age, commonly 65, while still employed, regardless of how many years of service you have. Full vesting is also required if the plan is terminated, and most plans fully vest on death or disability as well, although your plan document controls those last two.
Can my employer change the vesting schedule?
Only going forward, and never in a way that reduces the vested percentage you have already earned. An amendment cannot take away vesting you have banked. On top of that, participants with at least 3 years of service generally get to elect to stay under the old schedule for future contributions.
Does my 401(k) loan limit use my vested balance?
Yes. A 401(k) loan is capped at the lesser of $50,000 or 50% of your vested balance (IRC §72(p)). Unvested employer money does not count toward what you can borrow, which is why the loan quote on your recordkeeper’s site can look smaller than you expected.
Do unvested amounts show up in my account balance?
Usually yes. Your total balance typically includes unvested employer money, which is exactly why the “vested balance” line sits lower. The unvested portion is invested and grows along with the rest of the account, but it does not become yours until the schedule says so.
Is my employer match vested immediately?
Only if your plan says so. Immediate vesting of the match is common, but it is not required. A match can sit behind up to a 3-year cliff or a 2–6 year graded schedule. Safe harbor matching contributions are the exception, because those must be immediately vested, or subject to at most a 2-year cliff in a QACA plan.
Related reading
- 401(k) contributions: every type explained
- 401(k) withdrawal rules: what you can take and when
- Why employers freeze pension plans
Sources: IRC §411 (minimum vesting standards) · IRS retirement topics: vesting · DOL: retirement plan basics