| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014 | 1. Division | 1 | 90 | 0 | 0 | 0 | — |
| 2015 | Eliteserien | 3 | 10 | 0 | 0 | — | 6.53 |
| 2016 | Eliteserien | 17 | 1060 | 3 | 0 | 0.25 | 7.09 |
| 2017 | Eliteserien | 21 | 1224 | 1 | 0 | 0.07 | 7.11 |
| 2018 | Eliteserien | 24 | 2048 | 3 | 0 | 0.13 | 7.09 |
| 2019 | Eliteserien | 15 | 1052 | 1 | 0 | 0.09 | 6.84 |
| 2020 | 1. Division | 28 | 2378 | 2 | 1 | 0.11 | — |
| 2021 | Eliteserien | 18 | 1591 | 0 | 0 | 0 | 7.06 |
| 2022 | Eliteserien | 23 | 2005 | 2 | 0 | 0.09 | 7.11 |
| 2023 | Eliteserien | 26 | 2340 | 2 | 2 | 0.15 | 7.32 |
| 2024 | Eliteserien | 25 | 2216 | 2 | 3 | 0.2 | 7.52 |
| 2025 | Eliteserien | 16 | 1097 | 1 | 0 | 0.08 | 7.15 |
| 2026 | Eliteserien | 7 | 499 | 0 | 0 | 0 | 7.05 |
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 2026-08-14
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Haugesund | 17 | 8 | 3 | 6 | 3 | 0 | 5 | 0 |
 Viking | 16 | 8 | 4 | 4 | 2 | 0 | 3 | 1 |
 Lillestrøm | 16 | 8 | 3 | 5 | 1 | 1 | 2 | 0 |
 Molde | 15 | 3 | 5 | 7 | 0 | 1 | 1 | 0 |
 Vålerenga | 14 | 2 | 6 | 6 | 0 | 0 | 3 | 0 |
 Rosenborg | 14 | 6 | 0 | 8 | 1 | 1 | 1 | 0 |
 Sarpsborg 08 | 14 | 6 | 2 | 6 | 3 | 0 | 1 | 0 |
 Sandefjord | 13 | 5 | 4 | 4 | 0 | 0 | 3 | 0 |
 Kristiansund | 12 | 5 | 5 | 2 | 0 | 0 | 0 | 0 |
 Odd | 12 | 4 | 3 | 5 | 0 | 0 | 1 | 0 |
 Brann | 12 | 6 | 3 | 3 | 1 | 0 | 0 | 0 |
 Bodø / Glimt | 11 | 4 | 1 | 6 | 1 | 0 | 4 | 0 |
 Strømsgodset | 10 | 6 | 1 | 3 | 1 | 0 | 1 | 0 |
 Aalesund | 10 | 3 | 2 | 5 | 1 | 0 | 0 | 0 |
 Stabæk | 10 | 4 | 5 | 1 | 1 | 1 | 1 | 0 |
 Start | 6 | 2 | 1 | 3 | 0 | 0 | 1 | 0 |
 HamKam | 6 | 5 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fredrikstad | 4 | 3 | 1 | 0 | 0 | 0 | 3 | 1 |
 Sogndal | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Tottenham Hotspur | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
Jostein Gundersen went through 7 Eliteserien appearances in 2026 (499 minutes) without a goal or an assist. GioScore's computed rating for the season averages 7.05.
His league record spans 13 seasons (2014–2026) across 3 clubs. At his best he averaged 7.52 in 2024, Eliteserien; at his worst, 6.84 in 2019.
