Annual Plan Limits
| 2017 | 2018 | 2019 | 2020 | ||
| Compensation | $270,000 | $275,000 | $280,000 | $285,000 | |
| Limits on benefits and contributions: | |||||
| Defined contribution plans | $54,000 | $55,000 | $56,000 | $57,000 | |
| Defined benefit plans | $215,000 | $220,000 | $225,000 | $230,000 | |
| 401(k), 403(b) and 457 plan elective deferrals | $18,000 | $18,500 | $19,000 | $19,500 | |
| SIMPLE plan elective deferrals | $12,500 | $12,500 | $13,000 | $13,500 | |
| IRA | $5,500 | $5,500 | $6,000 | $6,000 | |
| Catch-up contributions: | |||||
| 401(k), 403(b) and 457 plans | $6,000 | $6,000 | $6,000 | $6,500 | |
| SIMPLE plans | $3,000 | $3,000 | $3,000 | $3,000 | |
| IRA | $1,000 | $1,000 | $1,000 | $1,000 | |
| “Highly Compensated” definition | $120,000 | $120,000 | $125,000 | $130,000 | |
| “Key Employee” definition: | |||||
| Officer | $175,000 | $175,000 | $180,000 | $185,000 | |
| 1% owner | $150,000 | $150,000 | $150,000 | $150,000 | |
| Social Security: | |||||
| Taxable wage base | $127,200 | $128,400 | $132,900 | $137,700 | |
| Social Security tax rate* | 6.20% | 6.20% | 6.20% | 6.20% | |
| Medicare tax rate | 1.45% | 1.45% | 1.45% | 1.45% | |
| Combined tax rate | 7.65% | 7.65% | 7.65% | 7.65% | |
* Beginning 2013, a medicare surtax of 0.9% applies to wages exceeding 250,000. There is a secondary surtax of 3.8% that may apply to unearned income for certain taxpayers as well.
Source: IRS.gov