401k Contribution Limits 2025 Irs. The internal revenue service (irs) announced 2025 retirement plan contribution limit adjustments. The maximum contribution limit for 401(k), 403(b), most 457 plans, and thrift savings plans will rise to $23,500 in 2025, up from $23,000 in 2024.

The 401(k) plan is a primary retirement savings tool, and the irs sets annual contribution limits. Contribution limits cap how much employees and employers can contribute to a retirement plan in a given year.