Roth 401k After Tax Contribution Limits 2025. 10, 2025 — the department of the treasury and the internal revenue service issued proposed regulations today addressing several secure 2.0 act provisions relating to. Here’s what you can contribute in 2025:.

For 2025, the annual employee contribution limit for 401 (k) plans is set to increase from $23,000 in 2024 to a record high of $23,500. Find out from the administrator or your financial advisor the maximum you can add in one year, factoring allowable contributors for you if.