Journal Abbreviation: J APPROX THEORY
Journal ISSN: 0021-9045
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2023 (2024 update) | 0.9 | - | - |
| 2022 | 0.9 | - | 2342 |
| 2021 | 0.993 | - | 2517 |
| 2020 | 1.091 | 83 | 2538 |
| 2019 | 0.825 | 70 | 2092 |
| 2018 | 1.022 | 51 | 2097 |
| 2017 | 0.939 | 63 | 1968 |
| 2016 | 0.931 | 71 | 1927 |
| 2015 | 0.921 | 110 | 1846 |
| 2014 | 0.951 | 78 | 1716 |
| 2013 | 0.896 | 99 | 1695 |
| 2012 | 0.755 | 85 | 1536 |
| 2011 | 0.681 | 98 | 1488 |
| 2010 | 0.710 | 122 | 1578 |