| IoT-J | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| 3-Year Impact Factor | N/A* | N/A* | 7.596 | 5.874 | 9.515 | 9.936 | 9.471 | 10.238 |
| 5-Year Impact Factor | N/A* | N/A* | 7.633 | 8.385 | 11.216 | 11.705 | 10.127 | 11.043 |
* No impact factors are issued for the initial 2 years of a new journal.