This publication is for reference only. Graphs and charts are based on data sources consulted for this publication. Additional data sources may exist that are not represented. In some cases, data sets may not be complete. ESCAP cannot confirm methodologies of third-party data sources. Data is not available for all countries for all indicators. Due to data limitations, only selected countries are used in several of the statistical representations. Due to the numerous sources used, the year of the latest data available varies. Data presented in map formats are provided as illustrative charts. The designations employed and the presentation of the material in this publication do not imply the expression of any opinion on the part of the United Nations concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontier or boundaries.