
| 2008-09 | AYMBHL | Team Maryland Bantam Minor | 28 | 25 | 26 | 51 | 0 | - | - | 12 |
| 2010-11 | T1EBHL | Chicago Mission Bantam Major AAA | 29 | 34 | 27 | 61 | 0 | - | - | 8 |
| 2011-12 | Swe-U18 | SDE U18 | 18 | 12 | 14 | 26 | - | - | - | 14 |
| 2011-12 | Swe-U18 | Sodertalje U18 | 9 | 7 | 5 | 12 | - | - | - | 2 |
| 2011-12 | Swe-Jr. | Sodertalje Jr. | 8 | 1 | 3 | 4 | - | - | - | 2 |
| 2012-13 | Swe-U18 | Sodertalje U18 | 1 | 2 | 1 | 3 | - | - | - | 2 |
| 2012-13 | Swe-Jr. | Sodertalje Jr. | 27 | 15 | 28 | 43 | - | - | - | 14 |
| 2012-13 | Sweden-2 | Sodertalje | 18 | 6 | 3 | 9 | - | - | - | 6 |
| 2013-14 | Sweden-2 | Sodertalje | 17 | 11 | 8 | 19 | - | - | - | 6 |
| 2013-14 | Sweden-2 | Rogle | 18 | 4 | 4 | 8 | - | - | - | 10 |
| 2013-14 | Swe-Jr. | MODO Jr. | 3 | 0 | 3 | 3 | - | - | - | 4 |
| 2013-14 | Sweden | MODO | 22 | 1 | 6 | 7 | - | - | - | 6 |
| 2014-15 | Sweden | MODO | 21 | 8 | 12 | 20 | 3 | - | - | 6 |
| 2014-15 | AHL | Toronto | 37 | 14 | 18 | 32 | 8 | 73 | 19.2% | 4 |
| 2015-16 | NHL | Toronto Maple Leafs | 22 | 6 | 7 | 13 | 1 | 43 | 14.0% | 4 |
| 2015-16 | AHL | Toronto | 38 | 18 | 27 | 45 | 7 | 112 | 16.1% | 10 |
| 2016-17 | NHL | Toronto Maple Leafs | 81 | 22 | 39 | 61 | -3 | 205 | 10.7% | 32 |
| 2017-18 | NHL | Toronto Maple Leafs | 82 | 20 | 41 | 61 | 20 | 184 | 10.9% | 10 |
| 2018-19 | NHL | Toronto Maple Leafs | 54 | 7 | 20 | 27 | -4 | 130 | 5.4% | 16 |
| 2019-20 | NHL | Toronto Maple Leafs | 68 | 31 | 28 | 59 | -2 | 197 | 15.7% | 12 |
| 2020-21 | NHL | Toronto Maple Leafs | 51 | 17 | 25 | 42 | 10 | 133 | 12.8% | 16 |
| 2021-22 | NHL | Toronto Maple Leafs | 81 | 34 | 46 | 80 | -9 | 256 | 13.3% | 16 |
| 2022-23 | NHL | Toronto Maple Leafs | 82 | 40 | 47 | 87 | 10 | 293 | 13.7% | 28 |
| 2023-24 | NHL | Toronto Maple Leafs | 82 | 40 | 58 | 98 | 1 | 316 | 12.7% | 24 |
| 2024-25 | NHL | Toronto Maple Leafs | 82 | 45 | 39 | 84 | 10 | 253 | 17.8% | 26 |
| 2025-26 | NHL | Toronto Maple Leafs | 33 | 14 | 27 | 41 | -1 | 68 | 20.6% | 12 |
| NHL Totals | – | 718 | 276 | 377 | 653 | 33 | 2078 | 13.3% | 196 | |
| AHL Totals | – | 75 | 32 | 45 | 77 | 15 | 185 | 17.3% | 14 | |
| 2011-12 | Swe-Jr. | Sodertalje Jr. | 4 | 0 | 5 | 5 | - | - | - | 2 |
| 2012-13 | HockeyAllsvenskan | Södertälje SK | 10 | 2 | 1 | 3 | -4 | - | - | 4 |
| 2013-14 | Swe-Jr. | MODO Jr. | 5 | 3 | 5 | 8 | - | - | - | 2 |
| 2013-14 | Sweden | MODO | 2 | 0 | 0 | 0 | - | - | - | 0 |
| 2013-14 | Swe-U18 | MODO U18 | 4 | 3 | 4 | 7 | - | - | - | 4 |
| 2014-15 | AHL | Toronto | 5 | 0 | 3 | 3 | 2 | 10 | 0.0% | 0 |
| 2015-16 | AHL | Toronto | 14 | 7 | 4 | 11 | 3 | 31 | 22.6% | 2 |
| 2016-17 | NHL | Toronto Maple Leafs | 6 | 1 | 3 | 4 | 4 | 23 | 4.4% | 2 |
| 2017-18 | NHL | Toronto Maple Leafs | 7 | 1 | 3 | 4 | -3 | 11 | 9.1% | 0 |
| 2018-19 | NHL | Toronto Maple Leafs | 7 | 1 | 2 | 3 | 1 | 14 | 7.1% | 2 |
| 2019-20 | NHL | Toronto Maple Leafs | 5 | 2 | 2 | 4 | -3 | 10 | 20.0% | 0 |
| 2020-21 | NHL | Toronto Maple Leafs | 7 | 5 | 3 | 8 | 3 | 21 | 23.8% | 4 |
| 2021-22 | NHL | Toronto Maple Leafs | 7 | 3 | 4 | 7 | 1 | 23 | 13.0% | 4 |
| 2022-23 | NHL | Toronto Maple Leafs | 11 | 4 | 6 | 10 | -4 | 47 | 8.5% | 2 |
| 2023-24 | NHL | Toronto Maple Leafs | 4 | 3 | 0 | 3 | 2 | 18 | 16.7% | 4 |
| 2024-25 | NHL | Toronto Maple Leafs | 13 | 6 | 9 | 15 | -3 | 37 | 16.2% | 4 |
| NHL Totals | – | 67 | 26 | 32 | 58 | -2 | 204 | 12.7% | 22 | |
| AHL Totals | – | 19 | 7 | 7 | 14 | 5 | 41 | 17.1% | 2 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs OTT | Dec 27 | 1 | 0 | 1 | -1 | 0 | 1 | 0 | 1 | 11 | 8:25 |
| Regular | vs PIT | Dec 23 | 2 | 2 | 4 | 2 | 0 | 0 | 0 | 3 | 20 | 18:21 |
| Regular | @ DAL | Dec 21 | 0 | 0 | 0 | -3 | 0 | 0 | 0 | 3 | 18 | 16:42 |
| Regular | @ NSH | Dec 20 | 0 | 0 | 0 | -2 | 0 | 0 | 0 | 2 | 23 | 18:56 |
| Regular | @ WSH | Dec 18 | 0 | 0 | 0 | -2 | 0 | 0 | 0 | 1 | 19 | 16:51 |