Illinois owes $129 billion to its five retirement systems after years of failing to make adequate annual contributions -- but the states constitution bans any reduction in worker retirement benefits.

Junk-rated Chicago steps up payments to put its retirement funds on a path to solvency.

Because of its work to shore up pensions, the city of Chicago's credit outlook was raised to stable.

Lawmakers overrode Governor Bruce Rauners veto of a law that gives Chicago a partial break on its pension.

A Chicago pension will run out of money by 2029 unless a deal is finalized.

Chicago's retirement funds face insolvency.

Illinois will delay pension payments, Comptroller Leslie Geissler Munger said.