Passengers carried by railway are the number of passengers transported by rail times kilometers traveled.
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Azerbaijan | 493.0 | 878.0 | 917.0 | 660.0 | 591.0 | 609.0 | 612.0 | 495.0 | 448.0 | 467.0 | 466.0 | 544.0 | 172.0 | 104.0 |
| Kazakhstan | 15,799.7 | 16,482.8 | 19,081.1 | 20,619.0 | 23,750.5 | 21,614.8 | 17,321.8 | 17,961.5 | 18,509.5 | 17,700.0 | 8,649.3 | |||
| Kyrgyzstan | 44.0 | 98.7 | 82.8 | 75.8 | 41.0 | 40.8 | 43.0 | 35.0 | 37.1 | 6.8 | 21.0 | |||
| Turkey | 5,832.0 | 5,036.0 | 5,584.0 | 7,122.0 | 6,361.0 | 6,225.0 | 7,401.0 | 8,326.0 | 7,829.0 | 8,465.0 | 8,938.0 | 14,259.0 | 8,297.0 | 10,683.0 |