To measure the space-time coordination of changes in population change and residential land supply among 14 cities of Hunan province from 2009 to 2017,this research constructs the decoupling index and the spatial coordinate index of residential land supply and demand by utilizing Tapio method and location entropy method.The results show that:there is a timing imbalance between the residential land supply and the urban population growth.Except for the expansion of residential land supply and population growth in Changsha,Shaoyang and Yueyang cities,other cities are characterized by a relatively...