Maximum 401 K Contributions 2024 Over 50. Those 50 and older will be able to. โ 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.
This limit includes all elective employee salary deferrals and any contributions made to a designated roth. That limit also applies to 457, 403 (b) and the federal.