Table 2. Air cargo volume between South Korea and China/Japan (Unit: ton, %)
| Year | Korea-China | Korea-Japan |
| 2010 | 627,817 (15.0) | 474,180 (18.4) |
| 2011 | 598,681 (-4.6) | 439,415 (-7.3) |
| 2012 | 577,721 (-3.5) | 431,318 (-1.8) |
| 2013 | 611,088 ( 5.8) | 420,070 (-2.6) |
| 2014 | 676,723 (10.7) | 408,826 (-2.7) |
| 2015 | 707,768 ( 4.6) | 428,510 ( 4.8) |
| 2016 | 782,467 (10.6) | 474,879 (10.8) |
| 2017 | 726,262 (-7.2) | 519,294 ( 9.4) |
| 2018 | 761,133 ( 4.8) | 539,826 ( 4.0) |
| 2019 | 753,699 (-1.0) | 446,595 (-17.3) |
Source: Korea Airports Corporation and Incheon International Airport Corporation.
Note: The figure in ( ) denotes the increase/ decrease rate compared to the previous year.