| Office | Name | % Correct |
|---|---|---|
| 1953-1961 | Dag Hammarskjöld | 78%
|
| 1961-1971 | U Thant | 70%
|
| 2007-2016 | Ban Ki-Moon | 65%
|
| 1997-2006 | Kofi Annan | 65%
|
| 2017- | António Guterres | 61%
|
| 1992-1996 | Boutros Boutros-Ghali | 61%
|
| 1972-1981 | Kurt Waldheim | 52%
|
| 1946-1952 | Trygve Lie | 52%
|
| 1982-1991 | Javier Pérez de Cuéllar | 48%
|