United Nations Secretary-General selection it would increase the concentration of power in the United Nations. The office is subject to a term limit of two full terms. U Thant served three terms, but his first two terms were partial terms that added up to one full term. In 1981, China cast 16 vetoes against Kurt Waldheim's selection for a third term, and Waldheim eventually suspended his candidacy. Since 1981, no Secretary-General has attempted to run for a third term. The office of Secretary-General is rotated among the regional groups of the UN. Each region gets two or three consecutive terms as Secretary-General. Candidates from
Under-Secretary-General of the United Nations the reform proposal submitted by Secretary-General Kofi Annan. The following is a list of Under-Secretaries-General or those with equivalent rank. This list is not exhaustive. Members of the SMG are indicated by an asterisk (*). The Deputy Secretary-General is the second highest-ranking official in the UN System after the Secretary-General. Amina Mohammed is the current office holder. An Assistant Secretary-General sits beneath an Under-Secretary-General within the UN hierarchy. Assistant Secretaries-General are often deputies within Departments or Programmes, reporting to their respective Under-Secretary-General and through him/her to the UN Secretary-General. Under-Secretary-General of the United Nations An Under-Secretary-General of the United Nations