Secretary-General of the United Nations the appointee's national origin and to gender equality, although no woman has yet served as Secretary-General. The length of the term is discretionary, but all Secretaries-General since 1971 have been appointed to five-year terms. Every Secretary-General since 1961 has been re-selected for a second term, with the exception of Boutros Boutros-Ghali, who was vetoed by the United States in the 1996 selection. There is a term limit of two full terms, established when China cast a record 16 vetoes against Kurt Waldheim's third term in the 1981 selection. No Secretary-General since 1981 has attempted to secure a third term. The
2006 United Nations Secretary-General selection 2006 United Nations Secretary-General selection A United Nations Secretary-General selection was held in 2006 to succeed Kofi Annan, whose second term as Secretary-General of the United Nations ran until 31 December 2006. Seven candidates were officially nominated for the position. The United Nations Security Council conducted a series of unofficial straw polls between 24 July and 2 October. South Korean Foreign Minister Ban Ki-moon led the polls from the start, emerging as the only candidate with the support of all five veto-wielding permanent members of the Security Council (P5). After the final straw poll, all of the other candidates withdrew.