Journal Abbreviation: INT AFF
Journal ISSN: 0020-5850
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2024 (2025 update) | 4.0 | - | 4854 |
| 2023 | 3.9 | - | - |
| 2022 | 4.5 | - | 4102 |
| 2021 | 4.985 | - | 3895 |
| 2020 | 7.910 | 73 | 4123 |
| 2019 | 3.705 | 63 | 2729 |
| 2018 | 3.748 | 59 | 2612 |
| 2017 | 2.952 | 63 | 2320 |
| 2016 | 1.935 | 64 | 1685 |
| 2015 | 1.532 | 62 | 1289 |
| 2014 | 1.246 | 62 | 1120 |
| 2013 | 1.008 | 62 | 894 |
| 2012 | - | - | |
| 2011 | - | - |