| In office | Answer | % Correct |
|---|---|---|
| 2019 - Incumbent | Ursula von der Leyen | 100%
|
| 2014 - 2019 | Jean-Claude Juncker | 43%
|
| 1999 - 2004 | Romano Prodi | 43%
|
| 1985 - 1995 | Jacques Delors | 29%
|
| 2004 - 2014 | José Manuel Durão Barroso | 29%
|
| 1995 - 1999 | Jacques Santer | 14%
|
| 1999 - 1999 | Manuel Marín | 14%
|
| 1977 - 1981 | Roy Jenkins | 14%
|
| 1958 - 1967 | Walter Hallstein | 14%
|
| 1973 - 1977 | François-Xavier Ortoli | 0%
|
| 1970 - 1972 | Franco Maria Malfatti | 0%
|
| 1981 - 1985 | Gaston Thorn | 0%
|
| 1967 - 1970 | Jean Rey | 0%
|
| 1972 - 1973 | Sicco Mansholt | 0%
|