Cap On 401k Contributions 2024. 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. Max out your free money.

Employers can only use the first $345,000 of compensation to determine your 401(k).  — the 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older.