Contract wage increases, by union

Employees Contract start Contract end Contract wage increase CPI increase Contract wage increase above CPI
Tradesmen (non-prevailing wage) 7/1/07 6/30/17 29.27% 11.83% 17.44%
Police and fire 7/1/12 6/30/17 11.52% 3.75% 7.77%
Labor represented by AFSCME 1/1/13 6/30/17 10.45% 3.89% 6.56%
Sergeants, lieutenants, and captains 7/1/12 6/30/16 8.25% 1.86% 6.39%
Labor represented by SEIU and IBEW 1/1/13 6/30/17 8.28% 3.89% 4.39%

Data: Office of Inspector General, City of Chicago

Credit: BGA