| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2025 | Varberg | Superettan | 17 | 4 | 3 | 3 | 0 | 6.9 |
| 2024 | Halmstad | Allsvenskan | 3 | 0 | 0 | 1 | 0 | 6.4 |
| 2023/2024 | Wisla Plock | Division 1 | 16 | 2 | 0 | 2 | 0 | – |
| 2023 | Oster | Superettan | 27 | 17 | 2 | 10 | 0 | – |
| 2022 | Oster | Allsvenskan | 1 | 1 | 0 | 0 | 0 | 7.9 |
| 2022 | Oster | Superettan | 28 | 9 | 3 | 6 | 0 | – |
| 2021 | Oster | Superettan | 28 | 3 | 3 | 3 | 0 | – |
| 2020 | Ljungskile | Superettan | 26 | 7 | 2 | 5 | 0 | – |
| 2019 | Ljungskile | Division 1 - Södra | 25 | 18 | 0 | 11 | 0 | – |
| 2018 | GAIS | Superettan | 21 | 6 | 0 | 3 | 0 | – |
| 2017 | Utsikten | Division 1 - Södra | 23 | 13 | 0 | 8 | 2 | – |
| 2016 | Utsikten | Division 1 - Södra | 23 | 6 | 0 | 9 | 0 | – |
| 2015 | Utsikten | Superettan | 28 | 3 | 0 | 7 | 1 | – |
| 2014 | Oddevold | Division 1 - Södra | 12 | 11 | 0 | 5 | 0 | – |
| 2013 | Oddevold | Superettan | 2 | 0 | 0 | 0 | 0 | – |
| 2013 | Oddevold | Division 1 - Södra | 14 | 10 | 0 | 8 | 0 | – |
| 2012 | Hacken | Allsvenskan | 2 | 0 | 0 | 0 | 0 | – |
| Total | 296 | 110 | 13 | 81 | 3 | – | ||
| Fecha | Desde | Hacia | Tipo | |
|---|---|---|---|---|
| - | Varberg | Halmstad | Return from loan | |
| - | Halmstad | Varberg | Loan | |
| 08 jun 2024 | Wisla Plock | Halmstad | Free agent | |
| - | Oster | Wisla Plock | Free agent | |
| 01 ene 2021 | Ljungskile | Oster | Free agent | |
| - | GAIS | Ljungskile | Free agent | |
| 01 ene 2018 | Utsikten | GAIS | Free agent | |
| 01 ene 2015 | Oddevold | Utsikten | Free agent | |
| - | Hacken | Oddevold | Free agent |
J. Jonasson Westermark career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.