Max 401k Contribution 2025 And Catch Up. In 2025, the total contribution limit is projected to be $71,000. Workers in their early 60s can contribute nearly $35,000 to a 401(k) in 2025.
It raises new tax questions, though. The most savings allowed in a 401(k) is $31,000 in 2025 for other employees aged 50 through 59, and then 64 and older.