2024 2024 K Threshold Limit. The following limits apply to retirement plans in 2024: The limit on elective deferrals under 401 (k), 403 (b), and eligible 457 (b) plans increased to $23,000.

The total overall 401 (k) contribution limit for 2024, which includes employer matching contributions and nonelective contributions, is $69,000. The roth ira income limit to make a full contribution in 2024 is less than $146,000 for single filers, and less than $230,000 for those filing jointly.