 U.S. state and local government entities often have comparable civil service systems that are modeled on the national system, in varying degrees.According to the Office of Personnel Management, , there were approximately 2.79 million civil servants employed by the U.S. government.This includes employees in the departments and agencies run by any of the three branches of government (the executive branch, legislative branch, and judicial branch), such as over 600,000 employees in the U.S.