This book objectively represents the status quo and trends of world Internet development in 2021, systematically summarizes Internet development in major countries and regions, and deeply analyzes new development condition and trends in key fields of Internet, in terms of eight aspects, i.e., information infrastructure, information technology, digital economy, e-government, cyber media, cybersecurity, cyber laws, and international cyberspace governance. This book maintains the index system of world Internet development, optimizes some indexes, and comprehensively evaluates Internet development in major countries and regions in the world, in order to better demonstrate the strength and characteristics of Internet development in various countries and mirror the overall trend in world Internet development in a comprehensive, accurate, and objective way.This book collects the latest research results in world Internet development. With diverse subjects and detailed discussion, this book possesses great significance for these engaged in Internet field in governmental departments, Internet enterprises, scientific research institutions, and universities, who hope to fully understand world Internet development.

Chinese Academy of Cyberspace Studies is directly affiliated to the Cyberspace Administration of China. It aims to become a leading high-end cyberspace research academy in China and the world, providing support in theories, researches, intelligence, and technology for key strategic planning, policy and decision making, project construction, and technical innovation in the fields of network security and informatization of China. Chinese Academy of Cyberspace Studies has multiple research institutions with the research fields including network content construction, network security, informatization, and international cyberspace governance.