| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2025/2026 | Wellington Phoenix | A-League | 26 | 3 | 4 | 2 | 0 | 7.0 |
| 2024/2025 | Wellington Phoenix | A-League | 24 | 2 | 3 | 3 | 0 | 7.0 |
| 2024 | Vegalta Sendai | J2 League | 27 | 1 | 3 | 4 | 0 | – |
| 2023 | Vegalta Sendai | J2 League | 13 | 0 | 0 | 2 | 0 | – |
| 2023 | Nagoya Grampus | J1 League | 9 | 0 | 1 | 1 | 0 | 6.4 |
| 2022 | Nagoya Grampus | J1 League | 3 | 0 | 0 | 0 | 0 | 6.5 |
| 2021 | Nagoya Grampus | J1 League | 32 | 0 | 1 | 4 | 0 | 6.7 |
| 2020 | Urawa Reds | J1 League | 27 | 1 | 1 | 2 | 0 | 6.8 |
| 2019 | Urawa Reds | J1 League | 29 | 3 | 2 | 1 | 0 | 6.8 |
| 2018 | Urawa Reds | J1 League | 27 | 2 | 3 | 2 | 0 | 6.9 |
| 2017 | Urawa Reds | J1 League | 8 | 1 | 1 | 1 | 0 | 6.9 |
| 2016 | Chiba | J2 League | 41 | 4 | 0 | 5 | 0 | – |
| 2015/2016 | FC Koln | Bundesliga | 1 | 0 | 0 | 0 | 0 | 6.7 |
| 2014/2015 | FC Koln | Bundesliga | 10 | 0 | 0 | 0 | 0 | – |
| 2013/2014 | FC Koln | 2. Bundesliga | 10 | 0 | 0 | 2 | 0 | – |
| Total | 287 | 17 | 19 | 29 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Vegalta Sendai | Wellington Phoenix | Transfer | |
| 08 mar 2023 | Nagoya Grampus | Vegalta Sendai | Transfer | |
| 01 sept 2021 | Urawa Reds | Nagoya Grampus | Transfer | |
| - | Chiba | Urawa Reds | Return from loan | |
| 01 feb 2016 | Urawa Reds | Chiba | Loan | |
| 01 ene 2016 | FC Koln | Urawa Reds | Transfer |
K. Nagasawa career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.