New 401k Limits 2024. In 2024, the 401(k) contribution limit for participants is. 401k and roth ira contribution limits 2024.ira and roth ira contribution limits.
The 2024 401(k) contribution limit is $500 higher than this year’s $22,500 max, which reflected a major increase from the 2022 limit of $20,500. If you file taxes as a single person, your modified adjusted gross income (magi) must be under $153,000 for tax.