irs 401k limits 2026

The 2026 401(k) contribution limit is $24,500 — but if you are in your first job making $35,000–$50,000, you will use less than 15% of that limit. This guide explains what the 2026 401k limits actually mean for a first-time worker, why the employer match matters more than the cap, and what you should actually do this week.