2024 401k Contribution Limit Over 55. 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. 401(k) contribution limits in 2024 and 2025.

The 2025 401(k) contribution limit is $23,500, up from $23,000 in 2024. For 2024, it has risen to $69,000.