Abstract: This scholarly article is devoted to the coverage of the Civil service system of the United States and to date its major achievements. It covers the key factors that form the basis of U.S. Civil service efficiency. The primary focus is on the legal basis of the US civil service and its formation, evolution. Besides, it reveals the role of government agencies in ensuring the efficiency of Civil service in the United States. The specific experience of the United States in organizing the work of Civil servants is taken into account.