| Term | Definition |
| From the UK | Gladwyn Jebb |
| First | Trygve Lie |
| From Norway | Trygve Lie |
| Resigned in 1952 due to hostile USSR | Trygve Lie |
| Manhattan neighborhood where SG lives | Sutton Place |
| Length of SG's term | five years |
| Third | U Thant |
| From Burma | U Thant |
| Pulled UN troops from the Sinai, 1967 | U Thant |
| Killed in a plane crash over Rhodesia, 1961 | Dag Hammarskjold |
| From Sweden | Dag Hammarskjold |
| Second | Dag Hammarskjold |
| Fourth | Kurt Waldheim |
| From Austria | Kurt Waldheim |
| President of Austria; possible war criminal | Kurt Waldheim |
| Fifth | Javier Perez de Cuellar |
| From Peru | Javier Perez de Cuellar |
| Mediated after Falklands War | Javier Perez de Cuellar |
| From Egypt | Boutros Boutros-Ghali |
| Sixth | Boutros Boutros-Ghali |
| Only SG not to be re-elected | Boutros Boutros-Ghali |
| Seventh | Kofi Annan |
| From Ghana | Kofi Annan |
| Won, with the UN, 2001 Nobel Peace Prize | Kofi Annan |
| Eighth | Ban Ki-moon |
| From South Korea | Ban Ki-moon |
| Did not condemn Saddam Hussein's execution | Ban Ki-moon |
| First Acting SG, 1945-46 | Gladwyn Jebb |
| Only person to be awarded Nobel Peace Prize posthumously | Dag Hammarskjold |