Michigan ranks last in a national study of state ethics and transparency laws and safeguards, partly due to its weak public records law and an absence of laws requiring personal financial disclosures by lawmakers and top state officials.

In all, 11 states received falling grades of F in the study, but Michigan's rating was last in the study by the Center for Public Integrity and Global Integrity, two nonprofit organizations that promote government transparency and ethics.

Michigan's worst in the nation ranking doesn't mean Michigan is the most corrupt state.  Here's more from the Lansing State Journal.