Nowadays the issue of border protection is vitally important for national security of every country to guarantee protection of citizens. In this regard, it is important to study positive experience of world practices in this field. The current article deals with the comparative analysis of the system of border protection specialists' training in the United States and Ukraine. The article focuses on specifying learning methods, forms of border protection specialists' training. Moreover, the issue of border protection specialists' training within the framework of pedagogical theory and practice has been presented; main stages of development of the USA and Ukrainian border protection training system have been processed and presented; professional requirements of American and Ukrainian border protection specialists have been described and compared. Additionally, curriculum standards of physical, firearm, law, operational and communicative aspects of professional training in the field of border protection in the USA and Ukraine have been mentioned. Furthermore, the research investigates principles and specifics of future border protection specialists' professional training with detailed description of the educational process in the USA and Ukraine. Great attention has also been paid to the specific forms, methods and strategies of professional border protection training. The comparative analysis of American and Ukrainian professional training system in the field of border protection has been conducted. Basing on criteria of different training aspects, the conducted analysis enables to state new possibilities of progressive American ideas in the field of border protection issues to be implemented into the practice of Ukrainian future border protection specialists' training.