Presents results of a follow-up survey to evaluate the reliability and accuracy of the 1958 study. Discusses methods used in collecting data and comments on techniques used for calculating cost of living and consumer price index. Classifies district levels located in urbanized areas of all regions. Presents cross tabulation showing distribution of family size, expenditures, income and savings, level of education, and occupation of the breadwinner. Cost of living index for 1958 is given for each Changwat individually. Appendix contains an estimation of operation costs and personnel involved in this survey. Includes Herbert A. Smith's report of his viewpoints on the present and future studies. [TAIC]