
| 2008-09 | Swe-U18 | AIK U18 | 11 | 2 | 2 | 4 | - | - | - | 2 |
| 2009-10 | Swe-U18 | Djurgarden U18 | 28 | 14 | 22 | 36 | - | - | - | 18 |
| 2009-10 | Swe-Jr. | Djurgarden Jr. | 14 | 2 | 2 | 4 | - | - | - | 4 |
| 2010-11 | Swe-U18 | Djurgarden U18 | 2 | 3 | 2 | 5 | - | - | - | 2 |
| 2010-11 | Swe-Jr. | Djurgarden Jr. | 27 | 12 | 9 | 21 | - | - | - | 12 |
| 2010-11 | Sweden | Djurgarden | 26 | 5 | 4 | 9 | - | - | - | 2 |
| 2011-12 | NHL | Ottawa Senators | 9 | 0 | 1 | 1 | -3 | 12 | 0.0% | 2 |
| 2011-12 | Sweden | Djurgarden | 26 | 5 | 8 | 13 | - | - | - | 4 |
| 2011-12 | Swe-Jr. | Djurgarden Jr. | 1 | 0 | 0 | 0 | - | - | - | 2 |
| 2011-12 | Sweden-Q | Djurgarden | 10 | 4 | 2 | 6 | - | - | - | 2 |
| 2012-13 | NHL | Ottawa Senators | 42 | 7 | 13 | 20 | 9 | 90 | 7.8% | 6 |
| 2012-13 | AHL | Binghamton | 23 | 4 | 7 | 11 | 3 | 65 | 6.2% | 10 |
| 2013-14 | NHL | Ottawa Senators | 69 | 16 | 17 | 33 | -15 | 153 | 10.5% | 18 |
| 2013-14 | AHL | Binghamton | 6 | 2 | 5 | 7 | 1 | 17 | 11.8% | 2 |
| 2014-15 | NHL | Ottawa Senators | 80 | 20 | 26 | 46 | 0 | 150 | 13.3% | 20 |
| 2015-16 | NHL | Ottawa Senators | 81 | 21 | 30 | 51 | -2 | 184 | 11.4% | 18 |
| 2016-17 | NHL | New York Rangers | 56 | 14 | 23 | 37 | 9 | 119 | 11.8% | 16 |
| 2017-18 | NHL | New York Rangers | 72 | 27 | 20 | 47 | -23 | 212 | 12.7% | 14 |
| 2018-19 | NHL | New York Rangers | 82 | 30 | 44 | 74 | -12 | 236 | 12.7% | 47 |
| 2019-20 | NHL | New York Rangers | 57 | 41 | 34 | 75 | 9 | 208 | 19.7% | 14 |
| 2020-21 | NHL | New York Rangers | 56 | 24 | 26 | 50 | 2 | 171 | 14.0% | 18 |
| 2021-22 | NHL | New York Rangers | 81 | 29 | 52 | 81 | 30 | 219 | 13.2% | 12 |
| 2022-23 | NHL | New York Rangers | 82 | 39 | 52 | 91 | 25 | 251 | 15.5% | 20 |
| 2023-24 | NHL | New York Rangers | 81 | 26 | 46 | 72 | 15 | 221 | 11.8% | 30 |
| 2024-25 | NHL | New York Rangers | 82 | 20 | 42 | 62 | -22 | 183 | 10.9% | 22 |
| 2025-26 | NHL | New York Rangers | 44 | 16 | 22 | 38 | -12 | 118 | 13.6% | 6 |
| NHL Totals | – | 974 | 330 | 448 | 778 | 10 | 2527 | 13.1% | 263 | |
| AHL Totals | – | 29 | 6 | 12 | 18 | 4 | 82 | 7.3% | 12 | |
| 2009-10 | Swe-U18 | Djurgarden U18 | 5 | 5 | 4 | 9 | - | - | - | 4 |
| 2010-11 | Swe-Jr. | Djurgarden Jr. | 3 | 1 | 2 | 3 | - | - | - | 0 |
| 2010-11 | Sweden | Djurgarden | 7 | 1 | 1 | 2 | - | - | - | 2 |
| 2011-12 | SHL | Djurgårdens IF | 10 | 4 | 2 | 6 | 3 | - | - | 2 |
| 2012-13 | NHL | Ottawa Senators | 10 | 1 | 3 | 4 | -3 | 21 | 4.8% | 0 |
| 2014-15 | NHL | Ottawa Senators | 6 | 1 | 3 | 4 | 0 | 14 | 7.1% | 0 |
| 2016-17 | NHL | New York Rangers | 12 | 2 | 7 | 9 | 4 | 34 | 5.9% | 0 |
| 2019-20 | NHL | New York Rangers | 3 | 1 | 1 | 2 | -1 | 9 | 11.1% | 0 |
| 2021-22 | NHL | New York Rangers | 20 | 10 | 14 | 24 | 0 | 63 | 15.9% | 4 |
| 2022-23 | NHL | New York Rangers | 7 | 1 | 3 | 4 | -1 | 16 | 6.3% | 6 |
| 2023-24 | NHL | New York Rangers | 16 | 3 | 13 | 16 | 1 | 40 | 7.5% | 2 |
| NHL Totals | – | 74 | 19 | 44 | 63 | 0 | 197 | 9.6% | 12 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs BUF | Jan 8 | 1 | 0 | 1 | -2 | 0 | 0 | 0 | 3 | 22 | 19:33 |
| Regular | vs UTA | Jan 5 | 0 | 2 | 2 | -1 | 0 | 0 | 0 | 1 | 24 | 24:45 |
| Regular | @ FLA | Jan 2 | 3 | 2 | 5 | 3 | 0 | 1 | 1 | 6 | 27 | 22:06 |
| Regular | @ WSH | Dec 31 | 0 | 1 | 1 | -2 | 0 | 0 | 0 | 0 | 25 | 21:01 |
| Regular | @ CAR | Dec 29 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 25 | 19:41 |