2017 IRS Limits for Qualified Retirement Plans

401(k) / 403(b) Deferral Limit
The maximum contribution to a 401(k) or 403(b) plan in 2016.
Catch Up Contribution
The additional contribution allowed to a 401(k) or 403(b) plan for those who are 50 or will turn 50 in 2016.
Highly Compensated Employees
Contributions by highly compensated employees are limited by discrimination testing. Employees are designated highly compensated if their compensation in the prior year is greater than the threshold.
Annual Compensation Limit
The maximum annual contribution used for plan purposes.
Simple Plan Deferral Limit$12,500$12,500
Social Security Wage Base$118,500$127,200
Total Contribution Limit
The maximum contribution that an individual can receive during the year, considering all sources (deferral, match, profit sharing, safe harbor, etc.)
Defined Benefit Limit$210,000$215,000