The IRS has raised the 401(k) contribution limit to $23,500 for 2025, up from $22,500 in 2024.
Catch-up contributions for savers aged 50 and older stay flat at $7,500, but a new "super catch-up" kicks in for workers aged 60 to 63.
That new tier lets those older savers contribute an extra $11,250 on top of the standard limit, pushing their total to $34,750.
It's the first time Congress has created a separate catch-up bracket since the catch-up itself was introduced more than two decades ago.
For anyone maxing out a plan, the math matters.
An extra $1,000 in pre-tax contributions reduces taxable income by the same amount, which at a 22% marginal rate means roughly $220 less owed to the IRS for the year.
The tradeoff: that money leaves your take-home pay now.
Vanguard data shows only about 14% of participants max out, and the median deferral rate sits near 6%.
But even modest bumps help — moving from 5% to 8% of a $60,000 salary adds $1,800 a year before any employer match.
The employer match is where the real leverage sits.
A typical 50% match up to 6% of pay effectively means every dollar you defer up to that threshold earns an instant 50% return.
Skipping it is the single most common and most expensive retirement mistake.
Roth 401(k) contributions share the same $23,500 ceiling in 2025, so the limit applies across both pre-tax and Roth dollars combined.
If your plan offers both, the total you can shelter is capped regardless of how you split it.
Starting in 2026, workers earning above $145,000 will be required to make catch-up contributions as Roth dollars rather than pre-tax.
That shifts the tax hit to the present for a group that often prefers the deduction.
The Roth IRA phase-out now runs from $150,000 to $165,000 for single filers and $236,000 to $246,000 for married couples filing jointly.
Practical takeaway: check your plan's deferral percentage against the new cap, and if you're 60 to 63, confirm your payroll system recognizes the higher catch-up.
Many recordkeepers need a nudge to update their systems.
If raising your rate feels tight, time the increase to a raise or bonus so the change never hits your regular budget.
A 1% bump per year is a common and sustainable approach.
Also worth knowing: the IRS adjusts these figures annually for inflation, and the 2025 increase was larger than some forecasters expected.
That suggests the agency is factoring in recent wage growth.
For households juggling rent, groceries, and credit card balances, maxing out isn't realistic — and that's fine.
It's capturing the match, then nudging the rate up whenever cash flow allows.
Our take: the higher limit mostly rewards people already saving aggressively, but the 60-to-63 super catch-up is genuinely useful for late-career workers playing catch-up.
Final Thoughts
If you're in that window, it's worth a call to your plan administrator this month.