This book constitutes the proceedings of the 18th International Conference on Theory and Practice of Electronic Governance, ICEGOV 2025, which took place in Abuja, Nigeria, during November 4-7, 2025.

The 42 full papers and 9 short papers included in the proceedings were carefully reviewed and selected from 151 submissions. They were organized in topical sections as follows: Building Trust through Inclusive and Ethical Digital Governance; Securing Digital Governance: Privacy, Cybersecurity, and Sovereignty for the Future; Harnessing AI for Public Good: Balancing Innovation and Responsibility; Digital transformation and innovation in the Public Sector; Harnessing Emerging Technologies for Smarter and More Efficient Public Services; New Metrics and Approaches for Measuring Digital Governance Success; Building Digital Public Infrastructure (DPI) for Scalable and Inclusive Digital Service Delivery; Smart, Sustainable and Resilient Communities, Cities and Regions; Participation in the Era of Social Media and Digital Platforms; Governing Digital Economies: Public-Private Sector Perspectives; Accelerating Digital Transformation in the Global South; Early Research Track.