Max Roth 401k Contribution 2025 Over 50. The 2025 contribution limit for 401 (k) plans is $23,000, up from $22,500 in 2023. The 401(k) contribution limit is $23,000 in 2025.
Use our calculator to estimate your future balance. For 2025, the limit for 401 (k) plan contributions is $23,000, up from $22,500 last year, according to the irs.