摘要：In accordance with population development of Guizhou Province in 1977-2007, this paper adopts natural growth method, model prediction method and gray system GM (1, 1) model prediction method to predict population of Guizhou Province in 2020. On the basis of overall consideration of many factors of population development and future development trend of Guizhou Province, it analyzes advantages and disadvantages of three prediction methods, and obtains the prediction value of total population of Guizhou Province in 2020.
关键词：Population prediction;Gray system;Guizhou Province
