Journal Abbreviation: J NAT MED-TOKYO
Journal ISSN: 1340-3443
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2022 (2023 update) | 3.3 | - | 3493 |
| 2021 | 3.192 | - | 3326 |
| 2020 | 2.343 | 118 | 2708 |
| 2019 | 2.055 | 96 | 1960 |
| 2018 | 1.966 | 111 | 1916 |
| 2017 | 1.920 | 89 | 1673 |
| 2016 | 1.982 | 90 | 1526 |
| 2015 | 1.670 | 72 | 1268 |
| 2014 | 1.593 | 95 | 1152 |
| 2013 | 1.447 | 120 | 928 |
| 2012 | 1.516 | 94 | 825 |
| 2011 | 1.389 | 103 | 638 |
| 2010 | 1.469 | 85 | 441 |