| Abbr. | Logo | Ideology | Founded | Founder | Leader | Website | European Parliament Group |
| ISAMAA |  | Christian democracy, National conservatism | 04.06.2006 | Taavi Veskimägi, Tõnis Lukas | Urmas Reinsalu | http://isamaa.ee |  |
Elections
| Elections | % | Votes | Seats | ||
| 2023 | 8,21 | 50.118 | 8 | 6th | |
| 2019 | EU | 10,29 | 34,188 | 5th | |
| 2019 | 11,44 | 64.219 | 12 | 4th | |
| 2015 | 13,71 | 78.699 | 14 | 4th | |
| 2014 | EU | 13,93 | 45.765 | 1 | 3rd |
| 2011 | 20,52 | 118.023 | 23 | 3rd | |
| 2009 | EU | 12,22 | 48.492 | 1 | 3rd |
| 2007 | 17,87 | 98.347 | 19 | 3rd |
| Leaders | |
| 2006 – 2007 | Taavi Veskimägi (Res Publica) and Tõnis Lukas (Pro Patria) |
| 2007 – 2012 | Mart Laar |
| 2012 – 2015 | Urmas Reinsalu |
| 2015 – 2017 | Margus Tsahkna |
| 2017 – | Helir-Valdor Seeder |
