| Abbr. | Logo | Ideology | Founded | Founder | Leader | Website | European Parliament Group |
| B |  | Social liberalism, Pro-Europeanism | 21.05.1905 | Martin Lidegaard | radikale.dk |  |
Elections
| Date | Elections | % | Votes | Seats | |
| 2022 | 3,79 | 133.931 | 7 | 9th | |
| 2019 | 8,63 | 304.714 | 16 | 4th | |
| 2019 | EU | 10,07 | 277.929 | 2 | 5th |
| 2015 | 4,57 | 160.672 | 8 | 7th | |
| 2014 | EU | 6,54 | 148.949 | 1 | 7th |
| 2011 | 9,59 | 336.698 | 17 | 4th | |
| 2009 | EU | 4,27 | 100.094 | 7th | |
| 2007 | 5,12 | 177.161 | 9 | 6th | |
| 2005 | 9,02 | 308.212 | 17 | 5th | |
| 2004 | EU | 6,36 | 120.473 | 1 | 7th |
| 2001 | 5,19 | 179.023 | 9 | 6th |
| Leaders | |
| 1905 – 1928 | Carl Theodor Zahle |
| 1928 – 1940 | Peter Rochegune Munch |
| 1940 – 1960 | Jørgen Jørgensen |
| 1960 – 1968 | Karl Skytte |
| 1968 – 1975 | Hilmar Baunsgaard |
| 1975 – 1978 | Svend Haugaard |
| 1978 – 1990 | Niels Helveg Petersen |
| 1990 – 2007 | Marianne Jelved |
| 2007 – 2014 | Margrethe Vestager |
| 2014 – 2020 | Morten Østergaard |
| 2020 – 2022 | Sofie Carsten Nielsen |
| 2022 – | Martin Lidegaard |
