How Much to Put Into Your 401(k) Each Year

Start with what your employer will match, then increase from there

The amount you contribute to your 401(k) depends on three things: how much your employer will match, how much you can afford to set aside, and what retirement looks like to you. There is no single correct answer, but there is a practical starting point: contribute enough to capture your full employer match, because that is assistance programs you will not get back if you skip it.

After that, the question becomes how much of your paycheck you can comfortably redirect to retirement savings without breaking your monthly budget. The IRS sets a legal ceiling—called the contribution limit—but most people will hit their own financial limit long before they hit the legal one.

Key Takeaways

• Contribute at least enough to capture your full employer match, because skipping it means leaving money on the table permanently.
• The IRS contribution limit for 2024 is $23,500 for people under 50 and $31,000 for people 50 and older, but your own budget is usually the real limit.
• A common target is 10 to 15 percent of your gross salary, but you can start lower and increase your contribution by 1 percent each year until you reach a number that feels sustainable.
• Your employer match does not count toward your personal contribution limit, so a 3 percent match on top of your 10 percent contribution means 13 percent total going into the account.
• Increasing your contribution when you get a raise means you do not feel the money leaving your paycheck, because your take-home does not actually shrink.

How employer match works and why it matters

Most employers offer a match: they contribute money to your 401(k) based on how much you contribute. A common match is 50 percent of the first 6 percent you contribute—meaning if you put in 6 percent of your salary, your employer adds another 3 percent. If you contribute only 3 percent, they add only 1.5 percent.

The match is not automatic. You have to contribute first. If you contribute nothing, your employer contributes nothing, and that match disappears forever. You cannot go back later and claim it. This is why financial advisors treat the full match as a minimum: it is a may provide return on your money, and you control whether you get it.

To find out what your employer's match is, check your plan documents—usually called the Summary Plan Description or Summary of Material Modifications—or ask your benefits administrator. The match formula is always spelled out there. Once you know it, calculate what contribution percentage you need to hit the maximum match, and make that your floor.

The IRS contribution limit and who it affects

The IRS sets an annual ceiling on how much you can contribute from your own paycheck. For 2024, that limit is $23,500 if you are under 50, and $31,000 if you are 50 or older. These numbers change each year, usually in January, and your plan administrator will notify you of the new limit.

Your employer's match does not count toward this limit. If you contribute $23,500 and your employer matches 3 percent of your salary, that 3 percent goes in on top of your $23,500. The limit applies only to what comes out of your paycheck.

Most people will never reach this limit. To hit $23,500 in 2024, you would need to earn roughly $94,000 and contribute 25 percent of your gross salary. For someone earning $60,000, the limit is not a practical constraint—their own budget is.

Finding a contribution percentage that works for your budget

A common benchmark is 10 to 15 percent of your gross salary. That is the range financial planners often cite as a path toward a comfortable retirement, but it is not a rule. If 10 percent would leave you unable to pay your bills or build an emergency fund, start lower. If you can afford 15 percent without strain, that is better.

One practical approach is to start with your employer's full match, then increase your contribution by 1 percent each year. If your match is 3 percent, contribute 3 percent this year, 4 percent next year, 5 percent the year after. By the time you notice the money leaving your paycheck, you are already at 6 or 7 percent. This method works because small changes feel manageable.

Another approach is to increase your contribution whenever you get a raise. If your salary goes up 3 percent, increase your 401(k) contribution by 1 percent. Your take-home pay still rises, because the raise is larger than the increase in contributions, but you are saving more without feeling the squeeze.

How much your contributions reduce your taxable income

Money you contribute to a traditional 401(k) comes out of your paycheck before income tax is calculated. If you earn $60,000 and contribute $6,000 to your 401(k), your taxable income for the year is $54,000, not $60,000. This is called a pre-tax contribution, and it lowers your federal income tax bill immediately.

The tax savings are real but modest. If you are in the 22 percent tax bracket and contribute $6,000, you save roughly $1,320 in federal income tax. That is not the same as getting $1,320 back—it is the difference between owing $X and owing $X minus $1,320. But it still means your contribution costs you less than the full amount.

If your plan offers a Roth 401(k) option, contributions do not reduce your taxable income this year, but withdrawals in retirement are tax-free. The choice between traditional and Roth depends on whether you expect to be in a higher or lower tax bracket in retirement—a question worth discussing with a tax professional if you are unsure.

Adjusting your contribution as your life changes

Your contribution percentage does not have to stay the same forever. You can change it whenever your circumstances shift. Got a promotion? Increase your contribution. Had a child and your expenses rose? Lower it temporarily. Paid off your car loan? Redirect that payment into your 401(k).

Most plans let you change your contribution through your benefits portal or by contacting your plan administrator. The change usually takes effect on the next pay period. There is no penalty for changing your contribution, and you can change it as many times as you want during the year.

If you are behind on retirement savings and want to catch up, the IRS allows catch-up contributions starting at age 50. For 2024, you can contribute an additional $7,500 beyond the standard $23,500 limit, for a total of $31,000. This is one of the few ways to exceed the normal contribution limit.

What happens if you contribute too much

If you accidentally contribute more than the IRS limit in a single year, your plan administrator will catch it. They are required to monitor contributions and stop them once you hit the limit. If you have already exceeded it—which can happen if you change jobs mid-year and both employers are processing contributions—the excess amount and any earnings on it must be returned to you, and you may owe taxes on the earnings.

This is rare and usually not your problem to solve. Your plan administrator handles the correction. But it is one reason to check your pay stub occasionally and make sure your contribution percentage is reasonable for your salary.

Frequently Asked Questions

What if I cannot afford to contribute enough to get my full employer match?

Contribute what you can. Getting part of the match is better than getting none. If your employer matches 3 percent and you can only afford 2 percent, contribute 2 percent and capture 2 percent of the match. As your budget improves, increase it.

Should I max out my 401(k) or save money elsewhere first?

Capture your full employer match first, then build an emergency fund of three to six months of expenses. After that, you can decide whether to increase your 401(k) contributions or save in other accounts like a Roth IRA. A financial advisor can help you weigh the trade-offs based on your specific situation.

Can I change my contribution percentage mid-year?

Yes. You can change your contribution percentage at any time through your benefits portal or by contacting your plan administrator. The change takes effect on the next pay period. There is no limit on how many times you can change it during the year.

Does my employer match count toward the IRS contribution limit?

No. The IRS limit applies only to what you contribute from your paycheck. Your employer's match goes in on top of that limit and does not count against it.

What if I get a bonus or tax refund—should I contribute it to my 401(k)?

You cannot contribute a bonus or refund directly to your 401(k) unless your employer offers a special program for it. But you could increase your regular contribution percentage for the rest of the year to redirect more of your paycheck, or save the bonus in a separate retirement account like a Roth IRA.