"I mean look, it's very sad, very frightening, very worrying," Branson said at an event held by Quartz.
The billionaire lives on Necker Island, which is part of the British Virgin Islands. He said that he has received hundreds of emails from worried employees, some of whom are asking how they can join him.
They aren't kidding, he added.
"It's pretty terrifying when you throw out the list of all these issues," he said. "Global warming could be set back almost irreparably. And universal healthcare, that could be set back almost irreparably — help with refugees, all these issues, gay rights."