Journal Abbreviation: J GREY SYST-UK
Journal ISSN: 0957-3720
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2024 (2025 update) | 1.5 | - | 609 |
| 2023 | 1.0 | - | - |
| 2022 | 1.6 | - | 785 |
| 2021 | 1.300 | - | 742 |
| 2020 | 1.912 | 30 | 804 |
| 2019 | 1.714 | 40 | 710 |
| 2018 | 1.111 | 51 | 532 |
| 2017 | 0.540 | 40 | 467 |
| 2016 | 0.500 | 50 | 356 |
| 2015 | 0.725 | 50 | 311 |
| 2014 | 0.553 | 50 | 292 |
| 2013 | 0.239 | 41 | 254 |
| 2012 | 0.244 | 44 | 252 |
| 2011 | 0.284 | 44 | 241 |