| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2014 | Allsvenskan | 5 | 60 | 1 | 0 | — | — |
| 2015 | Allsvenskan | 21 | 1212 | 6 | 0 | 0.45 | — |
| 2016/2017 | Superliga (Denmark) | 11 | 291 | 1 | 0 | 0.31 | — |
| 2016 | Allsvenskan | 5 | 376 | 1 | 1 | 0.48 | — |
| 2017/2018 | Superliga (Denmark) | 26 | 1675 | 4 | 1 | 0.27 | — |
| 2017/2018 | First Division (Denmark) | 13 | 784 | 2 | 0 | 0.23 | — |
| 2018/2019 | Superliga (Denmark) | 19 | 920 | 2 | 1 | 0.29 | — |
| 2019 | Allsvenskan | 11 | 405 | 1 | 0 | 0.22 | 6.9 |
| 2020 | Allsvenskan | 14 | 878 | 1 | 0 | 0.1 | 6.86 |
| 2020/2021 | 3. Liga | 14 | 1036 | 3 | 1 | 0.35 | — |
| 2021/2022 | 3. Liga | 31 | 2251 | 14 | 5 | 0.76 | — |
| 2022/2023 | Pro League | 30 | 1036 | 5 | 0 | 0.43 | 6.91 |
| 2022/2023 | 3. Liga | 1 | 85 | 1 | 0 | — | — |
| 2023/2024 | Pro League | 35 | 2300 | 16 | 4 | 0.78 | 7.23 |
| 2024/2025 | Pro League | 29 | 1844 | 9 | 5 | 0.68 | 7.16 |
| 2025/2026 | Pro League | 7 | 40 | 0 | 0 | — | 6.52 |
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 2026-07-30
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Antwerp | 15 | 8 | 4 | 3 | 4 | 0 | 2 | 0 |
 Genk | 14 | 8 | 2 | 4 | 1 | 0 | 1 | 0 |
 Anderlecht | 12 | 9 | 2 | 1 | 2 | 0 | 1 | 0 |
 Gent | 11 | 5 | 5 | 1 | 2 | 1 | 2 | 0 |
 Club Brugge | 9 | 2 | 4 | 3 | 1 | 0 | 0 | 0 |
 Sønderjyske Fodbold | 8 | 4 | 1 | 3 | 1 | 0 | 0 | 0 |
 Cercle Brugge | 8 | 6 | 1 | 1 | 4 | 1 | 1 | 0 |
 Nordsjælland | 7 | 1 | 0 | 6 | 0 | 0 | 1 | 0 |
 FC København | 6 | 0 | 1 | 5 | 0 | 0 | 0 | 0 |
 Sint-Truiden | 6 | 4 | 1 | 1 | 2 | 1 | 2 | 0 |
 Standard Liège | 6 | 3 | 0 | 3 | 1 | 1 | 1 | 0 |
 Sporting Charleroi | 6 | 5 | 1 | 0 | 1 | 0 | 1 | 0 |
 OH Leuven | 6 | 6 | 0 | 0 | 3 | 1 | 0 | 0 |
 AGF | 6 | 1 | 1 | 4 | 1 | 0 | 0 | 0 |
 Mechelen | 6 | 4 | 1 | 1 | 0 | 0 | 2 | 0 |
 Horsens | 5 | 1 | 3 | 1 | 0 | 0 | 0 | 0 |
 Westerlo | 5 | 2 | 2 | 1 | 1 | 1 | 1 | 0 |
 FC Midtjylland | 5 | 1 | 0 | 4 | 0 | 0 | 1 | 0 |
 Lyngby Boldklub | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 FC Union Berlin | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Denmark | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Azerbaijan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ukraine | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Albania | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Northern Ireland | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Estonia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Poland | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Portugal | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Luxembourg | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Serbia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hungary U21 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
 Turkey U21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Malta U21 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Belgium U21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Neither a goal nor an assist came from Gustaf Nilsson's 7 Pro League appearances in 2025/2026 (40 minutes). GioScore's computed rating for the season averages 6.52.
His ratings range from 6.52 (2025/2026) up to 7.23 in 2023/2024, Pro League.
