This publication contains detailed national accounts estimates for most countries or areas of the world for selected years between 1987 to 1998. The estimates for each country or area are presented in separate chapters with uniform table headings and classifications as recommended in the United Nations System of National Accounts (SNA). A summary of the SNA conceptual framework, classifications and definitions are included in this publication. National Accounts Statistics: Main Aggregates and Detailed Tables contains statistics in such areas as: gross domestic product, national income, savings, private and government consumption, and transactions of institutional sectors. It is a valuable source of information on the economic situation of countries.