This report by the World Health Organization, UNICEF, and the World Bank addresses the urgent need to ensure safe drinking water for all. It underscores the health, economic, and societal benefits of safely managed drinking water and highlights the current status and challenges in achieving universal access. The publication provides an in-depth analysis of drinking water services in households, schools, and healthcare facilities, and examines the impact of climate change. It also discusses national policies, regulatory frameworks, and financing strategies necessary to accelerate progress. The intended audience includes policymakers, public health professionals, and stakeholders in water management.