Journal Abbreviation: INT J
Journal ISSN: 0020-7020
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2024 (2025 update) | 2.3 | - | 1287 |
| 2023 | 3.1 | - | - |
| 2022 | 2.2 | - | 1114 |
| 2021 | 2.867 | - | 1291 |
| 2020 | 0.836 | 41 | 513 |
| 2019 | 0.462 | 34 | 413 |
| 2018 | 0.708 | 33 | 377 |
| 2017 | 0.300 | 32 | 331 |
| 2016 | 0.507 | 26 | 814 |
| 2015 | 0.600 | 37 | 336 |
| 2014 | 0.568 | 36 | 285 |
| 2013 | 0.533 | 29 | 266 |
| 2012 | - | - | |
| 2011 | - | - |