Testifying before lawmakers Thursday, Ben Bernanke reiterated a call for the Fed to be given supervisory powers over institutions that pose a systemic risk to the financial system, and proposed that a council of regulators help monitor risk.

The financial crisis barreled through industrialized and developing nations, bruising once vital economies, and thrusting unhealthy ones further into decline. With G-20 leaders in Pittsburgh this week, here is a look at where their economies stand.