[A]utomation could displace up to 25 percent of the U.S. labor force over the next two decades. This would mean nearly 2.5 million Americans would have to find new work each year. By comparison, only 1.2 million Americans were displaced annually in the transition from agriculture to industry in the first part of the 20th century
Source: First They Came for the Immigrants. Then They Came for the Robots. – Foreign Policy
