| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | Suwon Bluewings | K League 2 | 6 | 0 | 0 | 1 | 0 | – |
| 2025 | Jeju SK | K League 1 | 14 | 1 | 1 | 3 | 1 | 6.9 |
| 2024 | Jeju SK | K League 1 | 8 | 1 | 0 | 2 | 0 | 7.2 |
| 2023 | Jeju SK | K League 1 | 4 | 1 | 0 | 0 | 0 | 7.3 |
| 2022 | Gimcheon Sangmu | K League 1 | 16 | 0 | 0 | 1 | 0 | 6.8 |
| 2021 | Gimcheon Sangmu | K League 2 | 3 | 0 | 0 | 1 | 0 | – |
| 2021 | Jeju SK | K League 1 | 2 | 0 | 0 | 0 | 0 | – |
| 2020 | Shenzhen | Super League | 13 | 0 | 0 | 2 | 0 | – |
| 2019 | Tianjin Tianhai | Super League | 14 | 2 | 0 | 0 | 0 | – |
| 2019 | Gyeongnam | K League 1 | 9 | 0 | 0 | 1 | 0 | – |
| 2018 | Albirex Niigata | J2 League | 22 | 0 | 0 | 1 | 0 | – |
| 2017 | Albirex Niigata | J1 League | 27 | 0 | 0 | 3 | 0 | 6.8 |
| 2016 | Mito | J2 League | 19 | 1 | 0 | 5 | 0 | – |
| 2015 | Mito | J2 League | 8 | 0 | 0 | 2 | 0 | – |
| 2014 | Albirex Niigata | J-League | 2 | 0 | 0 | 0 | 0 | – |
| Total | 167 | 6 | 1 | 22 | 1 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Jeju SK | Suwon Bluewings | Transfer | |
| - | Gimcheon Sangmu | Jeju SK | Return from loan | |
| - | Jeju SK | Gimcheon Sangmu | Loan | |
| 01 abr 2021 | Shenzhen | Jeju SK | Free agent | |
| 07 sept 2020 | Tianjin Tianhai | Shenzhen | Free agent | |
| 07 sept 2019 | Gyeongnam | Tianjin Tianhai | Transfer | |
| 02 ene 2019 | Albirex Niigata | Gyeongnam | Free agent | |
| - | Mito | Albirex Niigata | Return from loan | |
| - | Albirex Niigata | Mito | Loan | |
| 01 ene 2014 | Konkuk | Albirex Niigata | Free agent |
J. Song career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.