This paper collect the data of community population, the number of natural increase in population and the number of social increase in population in Taiping to statistic and base on the result of literature review and field study to study. The growth of population index was used for past supplying experiences plus demographics in Tapping. The result show that the population of Taiping increase fast from 1971 to 1981. Calculating the number of natural increase in population and the number of social increase in population to analyze natural increasing rate and social increasing rate over the years show that the main reason for more external population was low land price therefore the increase population base on the number of natural increase in population before 1971 and the increase population base on the number of social increase in population after 1971.
