Why do so many people shift their career during the work life ? I think the irreversible structural transformation is the main reason. Nowadays a lot of basic tasks can be finished by robots, some manual job was replaced by the robot. so it forces employees to switch career path to more intelligent and skill-required jobs. Another reason is that many employees actually don’t know what kind of job suits them, so they need to try it one by one . Once they realize that they don’t like that job then that will switch jobs