| Term of Office | Name | Country | % Correct | |
|---|---|---|---|---|
| 5 January 1977 | 19 January 1981 | Roy Jenkins | United Kingdom | 95%
|
| 1 July 1970 | 1 March 1972 | Franco Maria Malfatti | Italy | 93%
|
| 22 November 2004 | 1 November 2014 | José Manuel Barroso | Portugal | 89%
|
| 6 January 1985 | 24 January 1995 | Jacques Delors | France | 87%
|
| 5 January 1973 | 5 January 1977 | François-Xavier Ortoli | France | 85%
|
| 1 January 1958 | 30 June 1967 | Walter Hallstein | West Germany | 85%
|
| 17 September 1999 | 22 November 2004 | Romano Prodi | Italy | 78%
|
| 30 June 1967 | 1 July 1970 | Jean Rey | Belgium | 75%
|
| 15 March 1999 | 17 September 1999 | Manuel Marín * | Spain | 73%
|
| 1 November 2014 | Incumbent | Jean-Claude Juncker | Luxembourg | 64%
|
| 1 March 1972 | 5 January 1973 | Sicco Mansholt | Netherlands | 56%
|
| 24 January 1995 | 15 March 1999 | Jacques Santer | Luxembourg | 49%
|
| 19 January 1981 | 6 January 1985 | Gaston Thorn | Luxembourg | 44%
|