List of UN Secretary Generals

Name	Country of origin	Period of service
Trygve Lie	Norway	1946 –1953
Dag Hammarskjöld	Sweden	1953 –1961
U Thant	Myanmar (Burma)	1961 – 1971
Kurt Waldheim	Austria	1972 – 1981
Javier Pérez de Cuellar	Peru	1982 – 1991
Boutros Boutros-Ghali	Egypt	1992 – 1996
Kofi Annan	Ghana	1997 – 2006
Ban Ki-moon	South Korea	2007 –