2024 Qualified Plan Cost of Living Increases, 2024 Social Security Taxable Wage Base
By Mary Ellen Schill
November 1, 2023
On November 1, 2023 the Internal Revenue Service announced the cost-of-living adjustments for the various qualified retirement plan limits. Almost all of the limits shown below have increased from last year.
| Qualified Plan Limit | Cost-of-Living Adjustments |
| 401(k) and 403(b) elective deferral limit | 2023 – $22,500
2024 – $23,000 |
| $200,000 compensation limit | 2023 – $330,000
2024 – $345,000 |
| $160,000 defined benefit limit | 2023 – $265,000
2024 – $275,000 |
| $40,000 defined contribution limit | 2023 – $66,000
2024 – $69,000 |
| $80,000 definition of highly compensated employee | 2023 – $150,000
2024 – $155, 000 |
| SIMPLE IRA deferral limit | 2023 – $15,500
2024 – $16,000 |
| Code Section 457 deferred compensation plan deferral limit | 2023 – $22,500
2024 – $23,000 |
| Code Section 414(v) catch-up contribution limit for employee deferrals | 2023 – $7,500
2024 – $7,500 |
All of the above are plan year limits (i.e., for the plan year which begins in 2024), with the exception of the Code Section 401(k) and Code Section 403(b) elective deferral limit, which is a calendar year limitation.
In addition, the Department of Health and Human Services has set the maximum taxable wages for the OASDI portion of the social security tax at $168,600 for 2024, which is an increase from the 2023 limit of $160,200.
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