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Contribution Rates

Employees and their employers contribute to IPERS a set percentage of employees' wages. Benefits are funded entirely by contributions plus investment income. 

Membership Group

Member Share

Employer Share

Total

Regular
7/1/17–6/30/18

7/1/18–6/30/19


5.95%

6.29%


8.93%

9.44%


14.88%

15.73%

Sheriffs and Deputies
7/1/17–6/30/18

7/1/18–6/30/19


9.38%

9.76%


9.38%

9.76%


18.76%

19.52%

Protection Occupations
7/1/17–6/30/18

7/1/18–6/30/19


6.56%

6.81%


9.84%

10.21%


16.40%

17.02%

IPERS' Contribution Rate Funding Policy and an annual actuarial valuation are used to determine rates. See more information on the Valuations page.

Contribution Rate History

View a history of contribution rate changes, categorized by occupation code.

Calendar Year Wage Ceiling

The IRS sets a maximum wage amount that can be covered by IPERS. Wages above this ceiling are not subject to IPERS withholding, and employers do not include them on IPERS reports. IPERS monitors covered wages for members with multiple employers. IPERS accepts all covered wages until a member has reached the IRS limit and will notify employers who report wages over the limit. IPERS will then return any excess contributions.

  • The calendar year 2017 wage ceiling is $270,000.
  • The calendar year 2018 wage ceiling is $275,000.
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