Military education, as an institutional structural component of independent, sovereign states, is one of the key elements that define the condition, combat capabilities and the basis for the stable and steady development of their military organization. In the article the military education is considered for the first time as an important component of ensuring the national interests and national security of the leading countries of the world. The purpose of this article is definition, systematization and generalization of the experience and trends of development of military education systems in the leading countries of the world in the context of their defence capabilities. To achieve the goal of the article is used the system of general scientific and special methods of theoretical (analysis of scientific literature on an investigated problem, systematization and generalization, content-analysis, systematic approach) and empirical studies (monitoring of the activities of military specialists, use of diagnostic tools – questionnaires, summary of results). The main regularities of military education in leading countries of the world are defined that are mandated by: educational needs of an individual; nation-wide interests, national security and defence interests, state policy in educational sphere; political, ideological and socioeconomic conditions; scientific and technical capabilities of the state; national traditions, national and international experience; needs of the troops; state of military-theoretical and psycho-pedagogical research; condition of moral-psychological, financial-economic, material-technical and information support of the system. The position, principles and general trends of development of military education national systems in the leading countries are revealed. The undertaken study has practical significance for the further reforming of Armed Forces of Ukraine in the context of modern requirements of normative-legal documents on security and defence policy of the state, the policy of rapprochement with NATO. The prospects for further research should be: content, organizational and methodological and material-and-technical training peculiarities of military specialists of different educational levels and chains of management.