Demographic_And_Spatial_Transformation_Process encompasses the fundamental changes in population characteristics, residential patterns, and spatial organisation that accompany broader socioeconomic development and create new forms of social organisation and community structure. These processes involve significant shifts in where and how people live, the age structure of populations, and the spatial distribution of economic and social activities. Urbanisation represents one of the most significant spatial transformations in human history, concentrating populations in cities and creating new forms of social organisation, economic coordination, and cultural life. This process fundamentally alters social relationships, economic opportunities, and environmental conditions. Demographic transition involves systematic changes in birth and death rates that reshape the age structure of societies and create new challenges and opportunities for social organisation. Greying represents a specific demographic transformation where societies experience significant increases in elderly populations, requiring adaptations in healthcare systems, social support networks, and economic arrangements. Gentrification illustrates how spatial transformation can involve the displacement of existing communities and the reconfiguration of urban social geography. These processes are interconnected and mutually reinforcing, as urbanisation often accompanies demographic transitions, while changing age structures influence spatial patterns of residence and community development. Understanding these processes is essential for analysing contemporary social challenges related to housing, community development, social services, and the sustainability of different forms of social organisation.