Maximum 401k Contribution Limit 2024. Individuals can contribute up to $23,000 total into their traditional or roth 401(k) plans in 2024, no matter how high their income is that. 401 (k) contribution limits for 2024.

For 2024, the contribution limit increases again to $23,000. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit.