Intro
Preface
Contents
1 Overview
1.1 World Internet Development in 2021
1.1.1 The Construction of Network Infrastructure Accelerates, with the Investment to Network Infrastructure Increased
1.1.2 The Innovation on Digital Technology Continues to Advance, with Consensus on Technology Governance
1.1.3 Global Digital Economy Grows Against Headwinds and the Layout of Key Fields Accelerates
1.1.4 The Construction of Digital Government Steadily Progresses, with Emphasis on Collaboration in Combating the COVID-19 Pandemic

1.1.5 Internet Media Convergence Forms a Trend and Algorithmic Regulation Intensifies
1.1.6 Cybersecurity Risks Keep Rising, and Supply-Chain Security and Data Security Arouse Widespread Concern
1.1.7 The Rule-of-Law Construction in Cyberspace Incessantly Accelerates and Antitrust Regulation Continuously Intensifies
1.1.8 International Competition on Digital Rule-Making Is Fierce and International Order in Cyberspace Is Rapidly Reshaped
1.2 Internet Development in Representative Countries
1.2.1 Index Construction
1.2.2 GIDI System
1.2.3 Analysis of Results

1.3 Internet Development in Representative Countries and Regions
1.3.1 The United States Continues to Take the Lead in the World in Internet Comprehensive Strength
1.3.2 Internet Development in China Comes to the Stage of Enhancing Quality and Improving Efficiency
1.3.3 The United Kingdom Takes the Lead in Cybersecurity Strength
1.3.4 Japan Accelerates the Construction of Digital Society
1.3.5 Internet Application in India Develops Rapidly
1.3.6 Russia Makes Steady Progress in Internet Development
1.3.7 Vietnam Sees Fast Development of Internet Economy

1.3.8 In Latin America, Mexico Enjoys Rapid Internet Development
1.3.9 Kenya Takes the Lead in Africa in Internet Strength
1.4 Trends in World Internet Development
1.4.1 The Competition on Digital Infrastructure Intensifies and Necessitates Deeper Interconnectivity
1.4.2 Digital Transformation Progresses Quickly in Various Countries and Necessitates Common Prosperity
1.4.3 Cross-cultural Communication Encounters New Challenges and Necessitates Exchanges and Mutual Learning

1.4.4 The Militarization of Cybersecurity Accelerates and Necessitates the Orderly Development of Cyberspace
1.4.5 Trust Deficit in Cyberspace Enlarges and Necessitates the Realization of Fairness and Justice
2 World Information Infrastructure Construction
2.1 Outline
2.2 The Evolution and Upgrading of Communication Network Infrastructure Accelerate in an All-Round Way
2.2.1 5G Development Comes to a New Stage
2.2.2 Fixed Broadband Network Enters the Optical-Fiber Era
2.2.3 The Popularization and Deployment of IPv6 Accelerate