The forecast for international railway passenger traffic in the UK shows a steady increase from 2024 to 2028. In 2023, the traffic stood at 21.27 million units. The year-on-year growth rate from 2024 to 2025 is approximately 0.98%, and it continues to rise consistently by around 0.97% annually until 2028. Over the five-year period, this reflects a compound annual growth rate (CAGR) of approximately 0.95%, indicating a stable upward trajectory.

Future trends to watch for include:

Technological advancements in rail travel impacting efficiency and passenger experience.
Environmental policies and their influence on railway investments and sustainability efforts.
Economic factors affecting international travel demand and consumer behavior.