401k Limits 2024 Over 50 Catch Up. For 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000. This means that your total 401(k) contribution limit for 2024 is $30,500.

As you can see, the limit increased by $500 for elective contributions, and $1,000 for overall contributions, compared to 2024. 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.