List A Batting and Fielding in Each Season by Alex Lees
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2011 | (England) | 1 | 1 | 1 | 12 | 12* | | 0 | 0 | 0 | |
| 2012 | (England) | 1 | 1 | 0 | 23 | 23 | 23.00 | 0 | 0 | 0 | |
| 2013 | (England) | 5 | 5 | 0 | 194 | 63 | 38.80 | 0 | 2 | 1 | |
| 2014 | (England) | 10 | 10 | 1 | 422 | 102 | 46.88 | 1 | 4 | 3 | |
| 2014-15 | (South Africa) | 4 | 3 | 0 | 63 | 41 | 21.00 | 0 | 0 | 1 | |
| 2015 | (England) | 10 | 9 | 0 | 247 | 75 | 27.44 | 0 | 2 | 3 | |
| 2016 | (England) | 10 | 9 | 0 | 134 | 32 | 14.88 | 0 | 0 | 7 | |
| 2017 | (England) | 5 | 4 | 0 | 77 | 26 | 19.25 | 0 | 0 | 1 | |
| 2019 | (England) | 8 | 7 | 3 | 361 | 115 | 90.25 | 1 | 4 | 2 | |
| 2021 | (England) | 9 | 9 | 1 | 562 | 126* | 70.25 | 2 | 4 | 4 | |
| 2022 | (England) | 2 | 2 | 0 | 70 | 66 | 35.00 | 0 | 1 | 0 | |
| 2023 | (England) | 7 | 7 | 0 | 403 | 144 | 57.57 | 1 | 3 | 7 | |
| 2024 | (England) | 7 | 7 | 0 | 242 | 111 | 34.57 | 1 | 1 | 2 | |