Tiers – Your “Tier” determines your IMRF benefits. Your tier is determined by the first date you began participating in IMRF or certain Illinois reciprocal systems.
- If you began participating in IMRF before January 1, 2011, you are in Tier 1, IMRF Tier 1 Home Page
If you began participating in IMRF on or after January 1, 2011, you are in Tier 2, IMRF Tier 2 Home Page