Based on actual data until 2023, the national railway passenger traffic in the UK showed steady growth from 2013 to 2019, with a notable dip in 2020 due to the global pandemic, followed by a substantial recovery in 2021. As of 2023, the value stood at 69.94 billion passenger kilometers, reflecting a minor increase of 0.73% from the previous year. The compound annual growth rate (CAGR) from 2018 to 2023 was 0.77%, indicating moderate growth post-pandemic.

From 2024 onwards, the forecasted data suggest a continuation of this growth trend, albeit at a slower pace. The forecasted 5-year CAGR from 2024 to 2028 is estimated at 0.6%, with an overall growth rate of 3.03% over the period.

Future trends to watch for include:

Potential impacts of environmental policies promoting sustainable transportation.
Technological advancements such as high-speed rail and digital ticketing systems.
Economic factors influencing commuter behavior and travel frequency.