First-Class Batting and Fielding in Each Season by Nathan Smith
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2015-16 | (New Zealand) | 1 | 1 | 0 | 3 | 3 | 3.00 | 0 | 0 | 0 | |
| 2016-17 | (New Zealand) | 6 | 9 | 4 | 124 | 59 | 24.80 | 0 | 1 | 3 | |
| 2017-18 | (New Zealand) | 2 | 3 | 0 | 38 | 30 | 12.66 | 0 | 0 | 2 | |
| 2018-19 | (New Zealand) | 7 | 13 | 2 | 316 | 75* | 28.72 | 0 | 1 | 4 | |
| 2019-20 | (New Zealand) | 6 | 10 | 1 | 359 | 114 | 39.88 | 1 | 1 | 2 | |
| 2020-21 | (New Zealand) | 7 | 11 | 1 | 270 | 76 | 27.00 | 0 | 1 | 3 | |
| 2021-22 | (New Zealand) | 8 | 12 | 1 | 239 | 72* | 21.72 | 0 | 3 | 4 | |
| 2022-23 | (New Zealand) | 2 | 4 | 0 | 111 | 73 | 27.75 | 0 | 1 | 2 | |
| 2023-24 | (New Zealand) | 7 | 11 | 1 | 245 | 75* | 24.50 | 0 | 2 | 3 | |
| 2024 | (England) | 7 | 8 | 1 | 214 | 60 | 30.57 | 0 | 3 | 3 | |
| 2024-25 | (New Zealand) | 1 | 2 | 0 | 24 | 21 | 12.00 | 0 | 0 | 0 | |