In 2023, the volume of domestic voice calls in the UK stood at 32 billion minutes. The forecast for 2024 starts at 29.5 billion minutes and projects a consistent decline: 27.1 billion in 2025, 24.7 billion in 2026, decreasing further to 22.5 billion in 2027, and finally 20.2 billion in 2028. This indicates a year-on-year decrease averaging 8% from 2024 to 2028. The compound annual growth rate (CAGR) over this five-year forecast period is approximately -8%, suggesting a steady decline in domestic voice call usage.

Future trends to watch for:

Shifts to internet-based communication such as VoIP services and messaging apps.
Potential changes in consumer behavior due to technological advancements and pricing strategies.
The impact of 5G and its capabilities on traditional voice services.