The volume of national rail freight transport in South Korea has shown a consistent decline from 10.46 billion tonne-kilometers in 2013 to a forecasted 4.8 billion tonne-kilometers in 2028. Notable year-on-year variations include a -9.58% drop in 2020, a -10.4% decrease in 2022, and a forecasted -2.42% reduction in 2023. Over the last five years, the average yearly reduction (CAGR) is projected at -5.59%, with a five-year forecasted CAGR at -3.32%. Future trends suggest ongoing decreases, driven by evolving logistics needs and a potential shift towards alternative freight modalities.