Year-End Retirement Moves: Maxing Out Before the Deadline

Every fall, retirement accounts quietly hit a wall most people forget about: the calendar. Contribution limits reset each January, and some of them can only be filled with money you set aside this year. With the fourth quarter underway, now is the moment to check what you've contributed, see how much headroom is left, and decide what to top up before the clock runs out.

Know the two different deadlines

The single most useful thing to understand is that your two main retirement accounts have different cut-offs:

• Your 401(k) runs on the calendar year. Contributions come out of your paychecks, so anything you want to add for 2026 has to be withheld by your final pay period in December. Miss it and that year's room is gone for good.
• Your IRA gives you until tax day. You can keep contributing for 2026 all the way until the April 2027 filing deadline.

That asymmetry sets your priorities: the 401(k) is the urgent one in Q4, because adjusting your payroll deferral takes a few pay cycles to move the needle.

The 2026 limits, and the match you shouldn't leave behind

For 2026, the IRS set these contribution caps (announced in Notice 2025-67):

Account	Under 50	Catch-up add-on (50+)
401(k) employee deferral	$24,500	+$8,000 (and +$11,250 for ages 60–63)
IRA (traditional or Roth)	$7,500	+$1,100

Two things to note. First, the catch-up contributions are a real gift for savers 50 and older — and there's an extra-large catch-up for people in their early 60s if their plan allows it. Second, before you pour money into maxing the limit, make sure you're capturing every dollar of your employer match — that's an immediate return you can't get anywhere else. A 401(k) calculator lets you see how a change to your paycheck deferral plays out over time, match included.

These numbers adjust most years for inflation, so always confirm the current figure before you rely on it — but the 2026 caps above are the ones in effect now.

Roth or traditional? Think about when you're taxed

If you're funding an IRA (or choosing a 401(k) flavor), the core decision is when you pay tax:

1. Traditional — you (generally) get a deduction now and pay tax when you withdraw in retirement. Better if you expect a lower tax rate later.
2. Roth — you contribute after-tax dollars now and qualified withdrawals come out tax-free. Better if you expect a higher rate later, or just want certainty.

There's no universal right answer; it depends on your current bracket versus your expected one. Model each path with a Roth IRA calculator and a traditional IRA calculator to see the after-tax difference for your situation. Keep in mind that Roth contributions and traditional deductibility both phase out at higher incomes — check whether you qualify before committing.

A quick year-end checklist

Run through this before December:

• Pull your year-to-date totals from your 401(k) and IRA statements. Know exactly how much room is left.
• Prioritize the match, then the 401(k) (calendar deadline), then the IRA (April deadline).
• If cash is tight, raise your 401(k) deferral even a percentage point or two for the remaining paychecks — small, and it compounds.
• Mind the early-60s catch-up if that's you and your plan offers it; the window is unusually generous.
• Don't over-contribute. Going past the limit across multiple plans creates a tax headache — track the total if you changed jobs this year.

The takeaway

Year-end retirement planning is really a race against the calendar. Your 401(k) room disappears on December 31, so that's the one to act on now; your IRA can wait until spring. Capture the full employer match first, use catch-up contributions if you're eligible, and choose Roth or traditional based on when you'd rather be taxed. Check your balances today, nudge your deferral if you have room, and model the long-run effect with a retirement calculator so the number you're chasing is one that actually gets you there.

Educational information only, not professional financial or tax advice; contribution limits, income phase-outs, and plan rules change and vary by situation — verify current figures and consider consulting a qualified advisor.