Catch Up 401k Limits 2025. In 2025, those aged 60 to 63 can put up to $34,750 into their 401(k) plans. For 2025, eligible taxpayers can contribute $23,500 to their 401(k) account, up from $23,000 in 2024.

The 2025 catch‑up contribution limit for individuals aged 50 and over will stay at $1,000, the same rate from 2024. Leah is 59 years old, and she will turn 60 on december 29, 2025.