Journal Abbreviation: INT J APPROX REASON
Journal ISSN: 0888-613X
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2023 (2024 update) | 3.2 | - | - |
| 2022 | 3.9 | - | 5449 |
| 2021 | 4.452 | - | 5461 |
| 2020 | 3.816 | 128 | 4819 |
| 2019 | 2.678 | 144 | 4190 |
| 2018 | 1.982 | 150 | 3587 |
| 2017 | 1.766 | 182 | 3384 |
| 2016 | 2.845 | 96 | 3341 |
| 2015 | 2.696 | 79 | 2796 |
| 2014 | 2.451 | 114 | 2735 |
| 2013 | 1.977 | 90 | 1912 |
| 2012 | 1.729 | 85 | 1920 |
| 2011 | 1.948 | 92 | 1638 |
| 2010 | 1.679 | 63 | 1382 |