Irs 401k Limits 2024 Catch Up. Those same limits apply to 403(b) plans, most. The irs sets 401(k) contribution limits and typically increases them by $500 annually.
The 401(k) contribution limit for 2025 is $23,500, up from $23,000 in 2024. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024.