State Retirement System of Illinois

Bruce Rauner, Governor

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   Tier 1 Benefits Information  


This information applies to individuals who became a member of SERS or a reciprocal system before January 1, 2011 . If you terminate employment with the State, your benefits will be determined by the law in effect on your last day of employment.

This information is intended to serve as a supplement to the Annual Benefit Statement, which includes your personal benefit information.

Retirement Benefits

Regular Retirement Formula

The regular retirement formula applies to all members not covered by the alternative formula.

Alternative Retirement Formula

The alternative formula applies to members in certain positions with 20 years of alternative service. Members eligible for the alternative formula may retire at age 50 with 25 years of service, or at age 55 with 20 years of service.

Disability Benefits

Non-Occupational Disability Benefits

If you become ill or injured from causes not not work related.

Occupational Disability Benefits

If you become ill or injured from causes that are work related.

Temporary Disability Benefits

This is available in disputed Workers' Compensation cases when your agency has formally denied all benefits, and an appeal has been filed with the Illinois Industrial Commission.

Death Benefits

Non-Occupational Death Benefits

If your death results from a non-work-related cause, your eligible survivors and beneficiaries may qualify for benefits.

Occupational Death Benefits

If you die from a work-related injury or illness, as determined by the Illinois Industrial Commission, your survivors are eligible for benefits.

Benefits Links

Retirement Benefits
Disability Benefits
Death Benefits
State Employees' Tier 1 Handbook
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