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
2016 United Nations Secretary-General selection As a result, the selection is subject to the veto of any of the five permanent members of the Security Council. The Charter's minimal language has since been supplemented by other procedural rules and accepted practices. Secretary-General Ban Ki-moon would be completing his second term on 31 December 2016, after which he would step down due to the informal two-term limit. Under the principle of regional rotation, candidates from Asia were ineligible to succeed Ban. The Eastern European Group was favored in the 2016 selection, as it was the only one of the United Nations Regional Groups never to have