Irs 2024 Max 401k Contribution Limits. 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. $19,500 in 2020 and 2021 and $19,000 in 2019), plus $7,500 in 2023;

The 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older. For 2024, the irs limits the amount of compensation eligible for 401(k) contributions to $345,000.