| Abbr. | Logo | Ideology | Founded | Founder | Leader | Website | European Parliament Group |
| CSV |  | Christian democracy, Conservatism, Pro-Europeanism | 1944 | Claude Wiseler Elisabeth Margue | www.csv.lu |  |
Elections
| Date | Elections | % | Votes | Seats | |
| 2023 | 29,21 | 1.099.427 | 21 | 1st | |
| 2019 | EU | 21,10 | 264.665 | 2 | 2nd |
| 2018 | 28,31 | 999.381 | 21 | 1st | |
| 2014 | EU | 37,66 | 441.578 | 3 | 1st |
| 2013 | 33,66 | 1.099.323 | 23 | 1st | |
| 2009 | 37,34 | 1.129.368 | 26 | 1st | |
| 2009 | EU | 31,32 | 351.223 | 3 | 1st |
| 2004 | 35,81 | 1.105.630 | 24 | 1st | |
| 2004 | EU | 37,13 | 403.370 | 3 | 1st |
| Leaders | |
| 1945 – 1964 | Émile Reuter |
| 1964 – 1965 | Tony Biever |
| 1965 – 1972 | Jean Dupong |
| 1972 – 1974 | Nicolas Mosar |
| 1974 – 1982 | Jacques Santer |
| 1982 – 1990 | Jean Spautz |
| 1990 – 1995 | Jean-Claude Juncker |
| 1995 – 2003 | Erna Hennicot-Schoepges |
| 2003 – 2009 | François Biltgen |
| 2009 – 2014 | Michel Wolter |
| 2014 – 2019 | Marc Spautz |
| 2019 – 2021 | Frank Engel |
| 2021 – | Claude Wiseler |
