State of Illinois Pension Calculator
This tool provides an estimated pension benefit based on generalized Illinois pension formulas for common state, teacher, university, and municipal employee types. It does not account for every specific plan nuance. For exact figures, please consult your official pension system.
Tier 1 FAS is typically the highest 48 consecutive months (4 years) of earnings out of the last 10 years. Tier 2 FAS is typically the highest 96 consecutive months (8 years) of earnings out of the last 10 years.