401k Max Contribution 2024 Irs. The irs sets 401(k) contribution limits and typically increases them by $500 annually. The irs has announced the 2024 contribution limits for retirement savings accounts, including contribution limits for 401(k), 403(b), and 457(b) plans, as well as income limits for ira.

The 401(k) contribution limit increased to $23,500 for 2025, up from $23,000 in 2024. Learn the rules and thresholds for how much you can contribute to your 401 (k) in 2023 and 2024, and how they vary by age, income, and employer matching.