Based on the provided data, Italy's railway passenger traffic experienced fluctuations from 2013 to 2023. The trend was generally upward until 2019, peaking at approximately 898.47 million persons. The COVID-19 pandemic drastically reduced traffic in 2020 by 56.61%, but it showed signs of recovery starting in 2021. Despite a resurgence, traffic noticeably declined by 5.74% in 2023, settling at 653.78 million persons.

Forecasted data from 2024 to 2028 suggest a gradual increase in railway passenger traffic, with a projected Compound Annual Growth Rate (CAGR) of 1.37% over five years. This implies a recovery and stabilization at pre-pandemic levels.

Future trends to watch for:

Impact of sustainability initiatives and investments in railway infrastructure.
Shifts in travel patterns due to remote work and digital transformation.
Potential further disruptions or changes due to global health or economic crises.