| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2012 | Eliteserien | 21 | 1306 | 1 | 0 | 0.07 | — |
| 2013 | Eliteserien | 26 | 2048 | 2 | 0 | 0.09 | — |
| 2014 | Eliteserien | 20 | 2317 | 2 | 0 | 0.08 | 7.45 |
| 2015 | Eliteserien | 12 | 858 | 2 | 1 | 0.31 | — |
| 2015/2016 | Championship (Scotland) | 10 | 360 | 2 | 0 | 0.5 | — |
| 2015 | Allsvenskan | 11 | 989 | 1 | 0 | 0.09 | — |
| 2016 | Allsvenskan | 13 | 1170 | 2 | 0 | 0.15 | 6.87 |
| 2017 | Allsvenskan | 22 | 1719 | 0 | 0 | 0 | 7.06 |
| 2018 | Allsvenskan | 20 | 1239 | 0 | 3 | 0.22 | 6.92 |
| 2019 | Eliteserien | 10 | 894 | 0 | 0 | 0 | 7.02 |
| 2020 | Eliteserien | 26 | 2234 | 0 | 0 | 0 | 6.95 |
| 2021 | Eliteserien | 19 | 1531 | 0 | 2 | 0.12 | 6.87 |
| 2022 | Eliteserien | 22 | 1668 | 1 | 0 | 0.05 | 6.79 |
| 2023 | Allsvenskan | 11 | 613 | 0 | 0 | 0 | 6.91 |
| 2023/2024 | Super League (Switzerland) | 20 | 1185 | 0 | 1 | 0.08 | 6.73 |
| 2024/2025 | Super League (Switzerland) | 11 | 665 | 0 | 0 | 0 | 6.63 |
| 2024/2025 | Challenge League | 11 | 946 | 0 | 0 | 0 | 7.18 |
| 2026/2027 | Challenge League | 5 | 216 | 0 | 0 | 0 | 6.61 |
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.
Cohort: 50 Challenge League defenders, 2024/2025, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-09-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Viking | 13 | 2 | 6 | 5 | 0 | 0 | 1 | 0 |
 Rosenborg | 13 | 2 | 4 | 7 | 1 | 0 | 3 | 0 |
 Lillestrøm | 13 | 5 | 4 | 4 | 0 | 0 | 1 | 0 |
 Aalesund | 10 | 3 | 1 | 6 | 1 | 0 | 1 | 0 |
 Vålerenga | 10 | 4 | 0 | 6 | 0 | 0 | 2 | 0 |
 Brann | 10 | 3 | 3 | 4 | 0 | 0 | 1 | 0 |
 Tromsø | 10 | 4 | 3 | 3 | 0 | 0 | 0 | 0 |
 Stabæk | 9 | 4 | 2 | 3 | 0 | 0 | 0 | 0 |
 Sandefjord | 8 | 3 | 2 | 3 | 0 | 1 | 2 | 0 |
 Bodø / Glimt | 8 | 1 | 1 | 6 | 1 | 0 | 2 | 0 |
 Start | 8 | 4 | 3 | 1 | 0 | 0 | 1 | 0 |
 Strømsgodset | 7 | 4 | 1 | 2 | 1 | 0 | 0 | 0 |
 Kristiansund | 7 | 2 | 1 | 4 | 0 | 0 | 1 | 0 |
 Sandnes Ulf | 7 | 4 | 2 | 1 | 3 | 0 | 1 | 0 |
 Lausanne Sport | 6 | 1 | 1 | 4 | 0 | 0 | 1 | 1 |
 Sogndal | 6 | 2 | 1 | 3 | 0 | 0 | 0 | 0 |
 Mjøndalen | 5 | 2 | 2 | 1 | 0 | 0 | 1 | 0 |
 Falkirk | 4 | 0 | 3 | 1 | 0 | 0 | 0 | 0 |
 Raith Rovers | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 St. Gallen | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
Over 5 Challenge League games in 2026/2027 (216 minutes), Niklas Gunnarsson recorded no direct goal contributions. That season graded out at an average match rating of 6.61. Within 50 Challenge League defenders with at least 450 minutes in 2024/2025, he places in the 82nd percentile by match rating, above the median, while ranking 29th of 50 for goals.
2014 stands as his highest-rated season (7.45, Eliteserien), with 2026/2027 the weakest (6.61).
