401k 2025 Tax Year Limit Increase. The 2025 catch‑up contribution limit for individuals aged 50 and over will stay at. Workers can contribute up to $23,000 annually to their $401(k) plans in 2025, the irs announced at the top of the month, a $500 increase from the previous limit of $22,500.

The contribution limit will increase from $22,500 in 2023 to $23,000. Total 401k contribution limit 2025 after tax.