Over 30 years of retirement, Brennan would collect as much as $4.92 million, according to a projection by Local Government Information Services (LGIS), which publishes Chicago City Wire.
The projection assumes Brennan received $103,508 in the first year of retirement, then 3 percent annual increases thereafter, compounded.
After 3 years of retirement, Brennan will have already received $319,932 in retirement benefits, or more than the sum total of the retiree's contributions to the state pension fund.