What Is The Limit On 401k Contributions 2024 With Catch Up. For the 2017 plan year, she deferred $24,500 to the plan. Of note, the 2024 pretax limit that applies to elective deferrals to irc section 401(k), 403(b) and 457(b) plans increased from $22,500 to $23,000.

For 2024, the 401 (k) contribution limit for employees is $23,000, or $30,500 if you are age 50 or older. Here’s how the 401 (k) plan limits will change in 2024: