Secretaries-Generals of United Nations

Sl No.Secretary-GeneralDates in officeCountry of originUN Regional Group
1Trygve Lie2 February 1946 -
10 November 1952
 NorwayWestern European & Others
2Dag Hammarskjöld10 April 1953 -
18 September 1961
 SwedenWestern European & Others
3U Thant30 November 1961 -
31 December 1971
 BurmaAsian
4Kurt Waldheim1 January 1972 -
31 December 1981
 AustriaWestern European & Others
     
5Javier Pérez de Cuéllar1 January 1982 -
31 December 1991
 PeruLatin American & Caribbean
6Boutros Boutros-Ghali1 January 1992 -
31 December 1996
 EgyptAfrican
7Kofi Annan1 January 1997 -
31 December 2006
 GhanaAfrican
8Ban Ki-moon1 January 2007-
present
 South KoreaAsia-Pacific

 
Source: Wikipedia