The article considers the socio-economic model of sustainable development. The study analyzes the conceptual and theoretical foundations of the political, social, economic, spiritual, environmental, scientific, technical and information stability of the state and development of the socioeconomic system. The definition of the concept of the “sustainable state and development” was given, the structural model of the stability of the socioeconomic system was developed. The characteristics of the varieties of the sustainable state and development were defined. The prerequisites for further development of the theoretical foundations of the sustainable development of the socio-economic system were determined.