| Competition | Goals | Apps | Started | Minutes | Sub On | Sub Off | ||
|---|---|---|---|---|---|---|---|---|
| England | ||||||||
| Premier League | 46 | 258 | 149 | 14,245' | 109 | 75 | 17 | 0 |
| Championship | 65 | 216 | 152 | 14,063' | 64 | 45 | 16 | 1 |
| Carabao Cup | 16 | 30 | 27 | 2,169' | 3 | 20 | 5 | 0 |
| FA Cup | 13 | 25 | 17 | 1,566' | 8 | 7 | 3 | 0 |
| League One | 2 | 17 | 17 | 1,151' | 0 | 17 | 0 | 0 |
| EFL Vertu Trophy | 0 | 1 | 0 | 27' | 1 | 0 | 0 | 0 |
| Scotland | ||||||||
| League One | 3 | 11 | 11 | 0' | 0 | 0 | 0 | 0 |
| Europe | ||||||||
| UEFA Europa League | 2 | 7 | 5 | 374' | 2 | 5 | 1 | 0 |
| World | ||||||||
| Premier League Asia Trophy | 1 | 2 | 2 | 112' | 0 | 2 | 0 | 0 |
| Total | 148 | 567 | 380 | 33,707' | 187 | 171 | 42 | 1 |
| Club | Season | League | National cup | League cup | Europe | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Gls | Apps | Gls | Apps | Gls | Apps | Gls | Apps | Gls | ||
Stirling Albion | 2007/2008 | League One | 11 | 3 | - | - | - | - | - | - | 11 | 3 |
| Total | 11 | 3 | - | - | - | - | - | - | 11 | 3 | ||
Burnley | 2007/2008 | Championship | 1 | 0 | - | - | - | - | - | - | 1 | 0 |
| 2008/2009 | Championship | 28 | 2 | 4 | 1 | - | - | - | - | 32 | 3 | |
| 2009/2010 | Premier League | - | - | - | - | 2 | 0 | - | - | 2 | 0 | |
| 2010/2011 | Championship | 42 | 14 | 3 | 1 | 3 | 0 | - | - | 48 | 15 | |
| 2011/2012 | Championship | 37 | 15 | 1 | 1 | 4 | 5 | - | - | 42 | 21 | |
| 2019/2020 | Premier League | 36 | 8 | 2 | 2 | 1 | 1 | - | - | 39 | 11 | |
| 2020/2021 | Premier League | 31 | 1 | 2 | 2 | 2 | 0 | - | - | 35 | 3 | |
| 2021/2022 | Premier League | 29 | 2 | 1 | 1 | 3 | 4 | - | - | 33 | 7 | |
| 2022/2023 | Championship | 28 | 10 | 1 | 0 | - | - | - | - | 29 | 10 | |
| 2023/2024 | Premier League | 21 | 2 | - | - | 3 | 0 | - | - | 24 | 2 | |
| 2024/2025 | Championship | 20 | 2 | - | - | 1 | 0 | - | - | 21 | 2 | |
| Total | 273 | 56 | 14 | 8 | 19 | 10 | - | - | 306 | 74 | ||
Barnsley | 2009/2010 | Championship | 6 | 1 | - | - | - | - | - | - | 6 | 1 |
| Total | 6 | 1 | - | - | - | - | - | - | 6 | 1 | ||
Southampton | 2012/2013 | Premier League | 35 | 6 | 1 | 1 | 1 | 2 | - | - | 37 | 9 |
| 2013/2014 | Premier League | 33 | 15 | 3 | 1 | 3 | 1 | - | - | 39 | 17 | |
| 2014/2015 | Premier League | - | - | - | - | - | - | - | - | - | - | |
| 2015/2016 | Premier League | 12 | 0 | - | - | 1 | 2 | 3 | 1 | 16 | 3 | |
| 2016/2017 | Premier League | 24 | 5 | 2 | 0 | 4 | 0 | 4 | 1 | 34 | 6 | |
| Total | 104 | 26 | 6 | 2 | 9 | 5 | 7 | 2 | 126 | 35 | ||
West Bromwich Albion | 2017 | - | - | - | 2 | 1 | - | - | - | - | 2 | 1 |
| 2017/2018 | Premier League | 37 | 7 | 3 | 3 | 2 | 1 | - | - | 42 | 11 | |
| 2018/2019 | Championship | 47 | 21 | 1 | 0 | - | - | - | - | 48 | 21 | |
| Total | 84 | 28 | 6 | 4 | 2 | 1 | - | - | 92 | 33 | ||
Wrexham | 2024/2025 | League One | 17 | 2 | 1 | 0 | - | - | - | - | 18 | 2 |
| 2025/2026 | Championship | 7 | 0 | 1 | 0 | - | - | - | - | 8 | 0 | |
| Total | 24 | 2 | 2 | 0 | - | - | - | - | 26 | 2 | ||
| Career total | 502 | 116 | 28 | 14 | 30 | 16 | 7 | 2 | 567 | 148 | ||
