| Temporada | Equipo | Competición | PJ | G | A | Nota | ||
|---|---|---|---|---|---|---|---|---|
| 2026 | AC Oulu | Liiga Cup | 7 | 5 | 1 | 0 | 0 | – |
| 2025 | SJK | Suomen Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2025 | SJK | Liiga Cup | 4 | 0 | 0 | 1 | 0 | – |
| 2024 | SJK | Suomen Cup | 4 | 2 | 0 | 0 | 0 | – |
| 2024 | SJK | Liiga Cup | 3 | 0 | 0 | 1 | 0 | – |
| 2023 | AC Oulu | Suomen Cup | 5 | 1 | 0 | 0 | 0 | – |
| 2023 | AC Oulu | Liiga Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2021/2022 | Helsingborg | Svenska Cupen | 1 | 1 | 0 | 0 | 0 | – |
| 2020/2021 | Orebro | Svenska Cupen | 2 | 1 | 0 | 0 | 0 | – |
| 2019/2020 | Sittard | KNVB Beker | 2 | 1 | 0 | 0 | 0 | – |
| 2019 | KuPS | Suomen Cup | 1 | 1 | 0 | 0 | 0 | – |
| 2017/2018 | KuPS | Suomen Cup | 3 | 2 | 0 | 0 | 0 | – |
| 2016/2017 | PS Kemi | Suomen Cup | 1 | 1 | 0 | 0 | 0 | – |
| Total | 36 | 15 | 1 | 2 | 0 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| 01 ene 2026 | SJK | AC Oulu | Free agent | |
| 01 ene 2024 | AC Oulu | SJK | Free agent | |
| - | Helsingborg | AC Oulu | Transfer | |
| - | Sittard | Helsingborg | Transfer | |
| - | Orebro | Sittard | Return from loan | |
| - | Sittard | Orebro | Loan | |
| 07 ene 2019 | KuPS | Sittard | Transfer | |
| 01 ene 2018 | PS Kemi | KuPS | Free agent | |
| - | AC Oulu | PS Kemi | Free agent | |
| 01 ene 2016 | SJK Akatemia | AC Oulu | Free agent | |
| 01 ene 2015 | OLS Oulu | SJK Akatemia | Free agent |
R. Karjalainen career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.