International Twenty20 Batting and Fielding in Each Season by Mitchell Santner
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2015 | (England) | 1 | 1 | 0 | 9 | 9 | 9.00 | 0 | 0 | 1 | |
| 2015-16 | (India) | 5 | 4 | 0 | 29 | 18 | 7.25 | 0 | 0 | 1 | |
| 2015-16 | (New Zealand) | 4 | 2 | 1 | 2 | 2* | 2.00 | 0 | 0 | 2 | |
| 2016-17 | (New Zealand) | 4 | 2 | 0 | 9 | 5 | 4.50 | 0 | 0 | 3 | |
| 2017-18 | (Australia) | 1 | 1 | 0 | 1 | 1 | 1.00 | 0 | 0 | 0 | |
| 2017-18 | (India) | 3 | 2 | 2 | 30 | 27* | | 0 | 0 | 3 | |
| 2017-18 | (New Zealand) | 9 | 5 | 3 | 90 | 37 | 45.00 | 0 | 0 | 2 | |
| 2018-19 | (New Zealand) | 4 | 3 | 1 | 27 | 13 | 13.50 | 0 | 0 | 0 | |
| 2019 | (Sri Lanka) | 3 | 3 | 2 | 40 | 16 | 40.00 | 0 | 0 | 1 | |
| 2019-20 | (New Zealand) | 10 | 9 | 3 | 45 | 15 | 7.50 | 0 | 0 | 6 | |
| 2020-21 | (New Zealand) | 8 | 5 | 3 | 53 | 31* | 26.50 | 0 | 0 | 5 | |
| 2021-22 | (United Arab Emirates) | 7 | 3 | 2 | 9 | 6 | 9.00 | 0 | 0 | 2 | |
| 2021-22 | (India) | 3 | 3 | 2 | 14 | 8* | 14.00 | 0 | 0 | 0 | |
| 2022 | (West Indies) | 3 | 2 | 1 | 17 | 13 | 17.00 | 0 | 0 | 0 | |
| 2022 | (Ireland) | 3 | 1 | 0 | 2 | 2 | 2.00 | 0 | 0 | 2 | |
| 2022 | (Netherlands) | 2 | 2 | 2 | 84 | 77* | | 0 | 1 | 2 | |
| 2022 | (Scotland) | 2 | 0 | | | | | | | 1 | |
| 2022-23 | (Australia) | 5 | 3 | 2 | 27 | 16* | 27.00 | 0 | 0 | 0 | |
| 2022-23 | (India) | 3 | 3 | 1 | 39 | 19* | 19.50 | 0 | 0 | 0 | |
| 2022-23 | (New Zealand) | 3 | 2 | 0 | 3 | 2 | 1.50 | 0 | 0 | 0 | |
| 2023 | (England) | 4 | 3 | 1 | 16 | 8 | 8.00 | 0 | 0 | 2 | |
| 2023 | (United Arab Emirates) | 3 | 3 | 1 | 23 | 20* | 11.50 | 0 | 0 | 3 | |
| 2023-24 | (New Zealand) | 10 | 6 | 1 | 81 | 25 | 16.20 | 0 | 0 | 5 | |
| 2024 | (West Indies) | 4 | 2 | 1 | 25 | 21* | 25.00 | 0 | 0 | 0 | |
| 2024-25 | (Sri Lanka) | 2 | 2 | 0 | 35 | 19 | 17.50 | 0 | 0 | 1 | |