| Abbr. | Logo | Ideology | Founded | Founder | Leader | Website | European Parliament Group |
| R |  | Liberalism | 18.11.1994 | Siim Kallas | Kaja Kallas | http://reform.ee |  |
Elections
| Date | Elections | % | Votes | Seats | |
| 2023 | 31,24 | 190.632 | 37 | 1st | |
| 2019 | EU | 26,24 | 87.160 | 2 | 1st |
| 2019 | 28,94 | 162.364 | 34 | 1st | |
| 2015 | 27,62 | 158.885 | 30 | 1st | |
| 2014 | EU | 24,92 | 79.849 | 2 | 1st |
| 2011 | 28,56 | 164.275 | 33 | 1st | |
| 2009 | EU | 15,33 | 60.877 | 1 | 3rd |
| 2007 | 27,82 | 153.044 | 31 | 1st | |
| 2004 | EU | 12,22 | 28.377 | 1 | 3rd |
| 2003 | 17,69 | 87.551 | 19 | 3rd |
