| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014 | Kakkonen | 23 | 1425 | 5 | 0 | 0.32 | — |
| 2014 | Kakkonen-LohkoC | 15 | 900 | 3 | 0 | 0.3 | — |
| 2015 | Ykkösliiga | 12 | 360 | 3 | 0 | 0.75 | — |
| 2016 | Veikkausliiga | 28 | 1707 | 4 | 0 | 0.21 | — |
| 2017 | Veikkausliiga | 28 | 2108 | 6 | 3 | 0.38 | — |
| 2018 | Veikkausliiga | 17 | 858 | 3 | 0 | 0.31 | — |
| 2019 | Veikkausliiga | 7 | 286 | 0 | 2 | 0.63 | — |
| 2020 | Veikkausliiga | 16 | 1089 | 2 | 0 | 0.17 | — |
| 2020 | Kakkonen | 1 | 46 | 0 | 0 | — | — |
| 2021 | Ykkösliiga | 19 | 1005 | 3 | 0 | 0.27 | — |
| 2022 | Veikkausliiga | 23 | 1313 | 6 | 3 | 0.62 | — |
| 2023 | Veikkausliiga | 2 | 24 | 0 | 0 | — | 6.38 |
| 2024 | Veikkausliiga | 22 | 1028 | 2 | 4 | 0.53 | 7.14 |
| 2025 | Veikkausliiga | 7 | 400 | 0 | 0 | 0 | 6.8 |
| 2026 | Veikkausliiga | 6 | 119 | 0 | 0 | 0 | 6.68 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-24
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 SJK | 5 | 2 | 1 | 2 | 0 | 1 | 1 | 0 |
 Inter Turku | 5 | 1 | 1 | 3 | 0 | 1 | 0 | 0 |
 EIF | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
 Ilves | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
 Haka | 5 | 4 | 0 | 1 | 3 | 1 | 0 | 0 |
 Mariehamn | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Oulu | 4 | 2 | 0 | 2 | 1 | 0 | 0 | 0 |
 HJK | 3 | 0 | 1 | 2 | 0 | 1 | 0 | 0 |
 TPS | 3 | 1 | 0 | 2 | 1 | 0 | 1 | 0 |
 Lahti | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 RoPS | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gnistan | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 PK-35 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Brøndby IF | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 PS Kemi | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
 Olimpija | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 KPV | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
 KuPS | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 KTP | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Honka | 2 | 0 | 0 | 2 | 1 | 0 | 0 | 0 |
Joonas Vahtera went through 6 Veikkausliiga appearances in 2026 (119 minutes) without a goal or an assist. His average match rating for that season computes to 6.68.
His best-rated season remains 2024 (7.14, Veikkausliiga); his lowest was 2026 (6.68).
