The Connected Nations UK Report 2025 serves as a technical report that outlines the current state of connectivity across the UK, focusing on fixed broadband and mobile networks. It provides an update on the rollout of gigabit-capable fixed networks and 5G mobile networks, noting significant increases in both coverage and adoption rates. The report indicates that gigabit-capable networks are now available to 87% of residential premises, with full fibre available to 78%. It also highlights the growth in mobile data usage, particularly 5G, which has seen a substantial increase in traffic. The report includes a section on network security and resilience, detailing the progress made by communications providers in enhancing security measures. Additionally, it presents an international comparison of the UK's fixed network coverage, ranking it sixth among comparator countries. The report emphasizes the importance of secure and reliable connectivity for consumers and businesses in a digital society.