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Costa Rica’s Grynspan narrowly leads informal UN chief poll, sources say

By Thomson Reuters Sep 18, 2026 | 10:53 AM

UNITED NATIONS, Sept 18 (Reuters) – An informal poll by the United Nations Security Council on Friday placed ​former Costa Rican Vice President ‌Rebeca Grynspan as the narrow frontrunner in the contest to become the next U.N. secretary-general, diplomats and other sources close ‌to ​the process said.

It was ⁠the third time ⁠the 15-member Security Council had voted behind closed doors in the straw poll. The first secret poll in ​July showed Grynspan narrowly ahead and the second vote last month placed ⁠Guyana’s UN Ambassador ⁠Carolyn Rodrigues Birkett as the ​new narrow frontrunner.

Eight candidates are vying to ​succeed Antonio Guterres, who steps down ‌at the end of this year after two five-year terms. Ultimately the five council veto powers – the United ⁠States, China, Russia, France and Britain – need to agree on a candidate.

The UN Security ⁠Council will ‌formally recommend a candidate ⁠to the General Assembly for ​election ‌as the 10th U.N. ​Secretary-General. The ⁠approval by the 193-member General Assembly has long been seen as a rubber stamp.

(Reporting by David Brunnstrom, Olivia Le Poidevin and Michelle Nichols; Editing by ​Caitlin Webber)