Maximum 401k Contribution 2024. For 2023, the roth 401 (k) contribution limit is $22,500. The irs also imposes a limit on all 401 (k) contributions made during the year.

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. For 2023, the roth 401 (k) contribution limit is $22,500.