| 2001-02 | Swe-U18 | Brynas U18 | 2 | 0 | 0 | 0 | - | - | - | 0 |
| 2002-03 | TV-Pucken | Gästrikland | 8 | 5 | 10 | 15 | - | - | - | 8 |
| 2002-03 | J20 Nationell | Brynäs IF J20 | 12 | 1 | 3 | 4 | - | - | - | 2 |
| 2003-04 | Swe-U18 | Brynas U18 | 6 | 9 | 5 | 14 | - | - | - | 4 |
| 2003-04 | Swe-Jr. | Brynas Jr. | 21 | 2 | 6 | 8 | - | - | - | 2 |
| 2004-05 | Swe-Jr. | Brynas Jr. | 29 | 17 | 17 | 34 | - | - | - | 24 |
| 2004-05 | Sweden | Brynas | 19 | 0 | 0 | 0 | - | - | - | 2 |
| 2005-06 | Sweden | Brynas | 46 | 10 | 16 | 26 | - | - | - | 30 |
| 2006-07 | Sweden | Brynas | 45 | 12 | 28 | 40 | - | - | - | 46 |
| 2007-08 | NHL | Washington Capitals | 82 | 14 | 55 | 69 | 13 | 153 | 9.2% | 24 |
| 2008-09 | NHL | Washington Capitals | 82 | 22 | 66 | 88 | 16 | 174 | 12.6% | 46 |
| 2009-10 | NHL | Washington Capitals | 82 | 33 | 68 | 101 | 37 | 222 | 14.9% | 50 |
| 2010-11 | NHL | Washington Capitals | 77 | 18 | 47 | 65 | 24 | 202 | 8.9% | 40 |
| 2011-12 | NHL | Washington Capitals | 42 | 14 | 30 | 44 | -4 | 95 | 14.7% | 24 |
| 2012-13 | NHL | Washington Capitals | 48 | 8 | 40 | 48 | 8 | 82 | 9.8% | 20 |
| 2012-13 | KHL | Dynamo Moscow | 19 | 10 | 15 | 25 | - | - | - | 10 |
| 2013-14 | NHL | Washington Capitals | 82 | 18 | 61 | 79 | -20 | 196 | 9.2% | 54 |
| 2014-15 | NHL | Washington Capitals | 82 | 18 | 60 | 78 | 5 | 153 | 11.8% | 40 |
| 2015-16 | NHL | Washington Capitals | 75 | 20 | 50 | 70 | 17 | 129 | 15.5% | 36 |
| 2016-17 | NHL | Washington Capitals | 82 | 23 | 63 | 86 | 17 | 162 | 14.2% | 38 |
| 2017-18 | NHL | Washington Capitals | 81 | 21 | 50 | 71 | 5 | 165 | 12.7% | 46 |
| 2018-19 | NHL | Washington Capitals | 80 | 22 | 52 | 74 | 2 | 169 | 13.0% | 30 |
| 2019-20 | NHL | Washington Capitals | 61 | 12 | 42 | 54 | -1 | 132 | 9.1% | 14 |
| 2020-21 | NHL | Washington Capitals | 55 | 15 | 38 | 53 | 0 | 91 | 16.5% | 14 |
| 2021-22 | NHL | Washington Capitals | 47 | 6 | 25 | 31 | -8 | 68 | 8.8% | 12 |
| 2022-23 | NHL | Washington Capitals | 39 | 7 | 14 | 21 | -25 | 59 | 11.9% | 14 |
| 2023-24 | NHL | Washington Capitals | 8 | 0 | 1 | 1 | -3 | 12 | 0.0% | 2 |
| 2025-26 | SHL | Brynäs IF | 30 | 2 | 19 | 21 | 6 | - | - | 10 |
| 2025-26 | Champions HL | Brynäs IF | 2 | 0 | 1 | 1 | -1 | - | - | 0 |
| NHL Totals | – | 1105 | 271 | 762 | 1033 | 83 | 2264 | 12.0% | 504 | |
| 2002-03 | TV-Pucken | Gästrikland | 8 | 5 | 10 | 15 | 0 | - | - | 8 |
| 2003-04 | Swe-U18 | Brynas U18 | 3 | 0 | 3 | 3 | 0 | 0 | 0.0% | 0 |
| 2003-04 | Swe-Jr. | Brynas Jr. | 5 | 0 | 0 | 0 | 0 | 0 | 0.0% | 4 |
| 2005-06 | Sweden | Brynas | 4 | 1 | 0 | 1 | - | - | - | 2 |
| 2005-06 | Swe-Jr. | Brynas Jr. | 1 | 0 | 0 | 0 | 0 | 0 | 0.0% | 2 |
| 2006-07 | Sweden | Brynas | 7 | 3 | 3 | 6 | 0 | - | - | 6 |
| 2007-08 | NHL | Washington Capitals | 7 | 4 | 2 | 6 | 3 | 19 | 21.1% | 2 |
| 2008-09 | NHL | Washington Capitals | 14 | 3 | 12 | 15 | 3 | 33 | 9.1% | 8 |
| 2009-10 | NHL | Washington Capitals | 7 | 5 | 4 | 9 | 7 | 27 | 18.5% | 4 |
| 2010-11 | NHL | Washington Capitals | 9 | 0 | 2 | 2 | 0 | 25 | 0.0% | 4 |
| 2011-12 | NHL | Washington Capitals | 13 | 2 | 6 | 8 | 2 | 25 | 8.0% | 18 |
| 2012-13 | NHL | Washington Capitals | 7 | 1 | 2 | 3 | -2 | 14 | 7.1% | 0 |
| 2014-15 | NHL | Washington Capitals | 14 | 3 | 5 | 8 | -3 | 24 | 12.5% | 2 |
| 2015-16 | NHL | Washington Capitals | 12 | 2 | 9 | 11 | 3 | 24 | 8.3% | 8 |
| 2016-17 | NHL | Washington Capitals | 13 | 6 | 7 | 13 | 0 | 26 | 23.1% | 2 |
| 2017-18 | NHL | Washington Capitals | 20 | 5 | 18 | 23 | -1 | 36 | 13.9% | 6 |
| 2018-19 | NHL | Washington Capitals | 7 | 5 | 3 | 8 | -4 | 18 | 27.8% | 4 |
| 2019-20 | NHL | Washington Capitals | 5 | 0 | 1 | 1 | -2 | 7 | 0.0% | 0 |
| 2020-21 | NHL | Washington Capitals | 5 | 0 | 1 | 1 | -2 | 9 | 0.0% | 0 |
| 2021-22 | NHL | Washington Capitals | 6 | 2 | 4 | 6 | 1 | 16 | 12.5% | 4 |
| NHL Totals | – | 139 | 38 | 76 | 114 | 5 | 303 | 12.5% | 62 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs SJS | Oct 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 12:24 |
| Regular | vs MIN | Oct 27 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 14 | 11:55 |
| Regular | @ NJD | Oct 25 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 16 | 12:40 |
| Regular | vs TOR | Oct 24 | 0 | 0 | 0 | -1 | 2 | 0 | 0 | 3 | 20 | 15:36 |
| Regular | @ MTL | Oct 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 18 | 16:37 |
| Year | Award |
|---|---|
| 2017-18 | Stanley Cup |