| Abbr. | Logo | Ideology | Founded | Founder | Leader | Website | European Parliament Group |
| D |  | Liberal conservatism | 25.05.1929 | Jón Þorláksson
Sigurður Eggerz | Bjarni Benediktsson | http://xd.is | |
Elections
| Elections | % | Votes | Seats | |
| 2021 | 24,39 | 48.708 | 16 | 1st |
| 2017 | 25,25 | 49.543 | 16 | 1st |
| 2016 | 29,00 | 54.990 | 21 | 1st |
| 2013 | 26,70 | 50.454 | 19 | 1st |
| 2009 | 23,70 | 44.371 | 16 | 2nd |
| 2007 | 36,64 | 66.754 | 25 | 1st |
| 2003 | 33,68 | 61.701 | 22 | 1st |
Party History
Merger of Conservative Party and Liberal Party.
| Leaders |
| 29.05.1929 – 02.10.1934 | Jón Þorláksson |
| 02.10.1934 – 22.10.1961 | Ólafur Thors |
| 22.10.1961 – 10.07.1970 | Bjarni Benediktsson |
| 10.07.1970 – 12.10.1973 | Jóhann Hafstein |
| 12.10.1973 – 06.11.1983 | Geir Hallgrímsson |
| 06.11.1983 – 10.03.1991 | Þorsteinn Pálsson |
| 10.03.1991 – 16.10.2005 | Davíð Oddsson |
| 16.10.2005 – 29.03.2009 | Geir Haarde |
| 29.03.2009 | Bjarni Benediktsson |
