Аннотации:
The article discusses the need for innovatization of spatial structures of sustainable development of economic systems; innovative saturation index for regional economic growth structures (ISIREGS) is offered; the paper also presents the characteristic feature of dynamic stability as an ability of an economic system to create and maintain its innovative structureforming relationships. The objective of the study was to determine the nature, reveal the contents and forms of innovatization processes of spatial structures of economic systems sustainable development; to offer innovative saturation index for regional economic growth structures (ISIREGS) and to provide rationale for the dynamic stability as a key feature of an economic system, which allows it to create, accumulate and develop its innovative structure-forming relationships.