This yearbook presents a comprehensive compilation of statistical data from around the world for the year 1999, serving as a vital reference for understanding global trends and national performances. Compiled by the United Nations Statistics Division, it draws upon official data submitted by national statistical offices, providing a standardized overview of economic, social, and demographic indicators. The publication aims to offer a factual basis for analysis, policy-making, and international comparison.

This publication is regarded as a foundational resource for researchers, policymakers, and anyone seeking detailed statistical information on a global scale. Its strength lies in its breadth of coverage and its adherence to international statistical standards, facilitating consistent comparisons across countries and over time. The yearbook is a testament to the ongoing effort to collect and disseminate objective data, providing an authoritative snapshot of the world at the turn of the millennium.