This document provides a preface to the Statistical Yearbook of Mongolia. It discusses how the National Statistical Office has been producing the yearbook since 1960 to show social and economic indicators and their time series for Mongolia. It notes that the framework of indicators has expanded with Mongolia's socio-economic development. It also mentions steps being taken to harmonize statistical indicators and methodologies with international standards. The preface explains that the yearbook includes explanations of methodologies and technical terms to make it accessible to users. It lists some additional indicators and surveys that are included in the 2007 yearbook. It encourages users to access other statistical publications and the website for more information. In closing, it welcomes any comments or requests for more