The U.S. government's estimated $1.5 trillion deficit and record government spending worldwide are the biggest potential threats to the global economy, JPMorgan Chase & Co. Chief Executive Officer Jamie Dimon said.

"I'm not just talking about just the United States," Dimon said in an interview on Bloomberg Television conducted in Davos, Switzerland, on Friday. "The governments have to show the will that we have this under control. Because you don't want to get them under control of the markets the wrong way."

"We have to fix this," Dimon said. "We can handle the $1.5 trillion. It's handling it for as far as the eye can see that becomes the problem."

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