In 2023, the UK had 3.9 million PSTN business connections. The forecast shows a consistent decline from 3.8 million in 2024 to 3.4 million in 2028, identifying a trend of gradual reduction. The year-on-year percentage decrease is consistently around 2.63% over each subsequent year, with an average CAGR of -2.63% reflecting the declining trend over five years.
Future trends to watch for include the transition to digital alternatives like VoIP and Unified Communications, driven by technological advancements and the impending PSTN shutdown. Monitoring regulatory developments and market policies will be crucial as businesses shift to more modern connectivity solutions.