Women's Twenty20 Bowling in Each Season by Laura Marsh
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2005 | (England) | 42 | 0 | 40 | 2 | 1-17 | 20.00 | 0 | 0 | 21.00 | 5.71 |
| 2006 | (England) | 48 | 0 | 41 | 0 | | | | | | 5.12 |
| 2007 | (England) | 31 | 0 | 41 | 3 | 2-21 | 13.66 | 0 | 0 | 10.33 | 7.93 |
| 2007-08 | (Australia) | 24 | 0 | 23 | 1 | 1-23 | 23.00 | 0 | 0 | 24.00 | 5.75 |
| 2008 | (England) | 90 | 1 | 55 | 5 | 2-7 | 11.00 | 0 | 0 | 18.00 | 3.66 |
| 2009 | (England) | 168 | 1 | 123 | 6 | 2-11 | 20.50 | 0 | 0 | 28.00 | 4.39 |
| 2009-10 | (India) | 72 | 0 | 76 | 4 | 3-29 | 19.00 | 0 | 0 | 18.00 | 6.33 |
| 2009-10 | (West Indies) | 12 | 0 | 6 | 1 | 1-6 | 6.00 | 0 | 0 | 12.00 | 3.00 |
| 2010 | (West Indies) | 72 | 0 | 51 | 4 | 3-17 | 12.75 | 0 | 0 | 18.00 | 4.25 |
| 2010 | (England) | 149 | 0 | 165 | 4 | 2-15 | 41.25 | 0 | 0 | 37.25 | 6.64 |
| 2010-11 | (Sri Lanka) | 48 | 0 | 28 | 3 | 2-15 | 9.33 | 0 | 0 | 16.00 | 3.50 |
| 2010-11 | (Australia) | 120 | 0 | 140 | 2 | 1-25 | 70.00 | 0 | 0 | 60.00 | 7.00 |
| 2011 | (England) | 270 | 1 | 212 | 7 | 2-17 | 30.28 | 0 | 0 | 38.57 | 4.71 |
| 2011-12 | (New Zealand) | 96 | 0 | 85 | 4 | 2-21 | 21.25 | 0 | 0 | 24.00 | 5.31 |
| 2011-12 | (South Africa) | 72 | 0 | 66 | 3 | 3-19 | 22.00 | 0 | 0 | 24.00 | 5.50 |
| 2012 | (England) | 198 | 1 | 143 | 8 | 2-15 | 17.87 | 0 | 0 | 24.75 | 4.33 |
| 2012-13 | (Sri Lanka) | 114 | 1 | 114 | 5 | 2-22 | 22.80 | 0 | 0 | 22.80 | 6.00 |
| 2013 | (England) | 96 | 0 | 95 | 5 | 3-31 | 19.00 | 0 | 0 | 19.20 | 5.93 |
| 2014 | (England) | 138 | 0 | 106 | 7 | 3-19 | 15.14 | 0 | 0 | 19.71 | 4.60 |
| 2014-15 | (New Zealand) | 68 | 0 | 66 | 5 | 2-24 | 13.20 | 0 | 0 | 13.60 | 5.82 |
| 2015 | (England) | 96 | 1 | 78 | 7 | 3-15 | 11.14 | 0 | 0 | 13.71 | 4.87 |
| 2015-16 | (India) | 48 | 0 | 30 | 4 | 3-12 | 7.50 | 0 | 0 | 12.00 | 3.75 |
| 2015-16 | (New Zealand) | 48 | 0 | 52 | 0 | | | | | | 6.50 |
| 2015-16 | (Australia) | 115 | 0 | 112 | 9 | 3-17 | 12.44 | 0 | 0 | 12.77 | 5.84 |
| 2016 | (England) | 134 | 0 | 145 | 3 | 1-8 | 48.33 | 0 | 0 | 44.66 | 6.49 |
| 2017 | (England) | 144 | 2 | 126 | 9 | 2-12 | 14.00 | 0 | 0 | 16.00 | 5.25 |
| 2018 | (England) | 266 | 0 | 310 | 9 | 2-28 | 34.44 | 0 | 0 | 29.55 | 6.99 |
| 2018-19 | (India) | 48 | 0 | 46 | 1 | 1-22 | 46.00 | 0 | 0 | 48.00 | 5.75 |
| 2018-19 | (Sri Lanka) | 66 | 0 | 47 | 3 | 1-14 | 15.66 | 0 | 0 | 22.00 | 4.27 |
| 2019 | (England) | 203 | 0 | 288 | 10 | 3-17 | 28.80 | 0 | 0 | 20.30 | 8.51 |