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How will the next U.N. chief be chosen and who wants the job | Explained

March 03, 2026 5 min read International Relations GS2 (International Institutions UN and its Agencies India's Foreign Policy)
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What Happened

  • The formal selection process for the next United Nations Secretary-General (SG) is now underway, with the current SG António Guterres of Portugal completing his second term on December 31, 2026. The new SG will take office in January 2027 for a five-year term.
  • The selection process formally began on November 25, 2025, following a joint letter from the Presidents of the UN Security Council and the General Assembly inviting nominations from member states.
  • Nominations are required to be submitted by April 1, 2026, to enable candidates to participate in public interactive dialogues scheduled for the week of April 20, 2026, which will be webcast live.
  • Declared or anticipated candidates as of early March 2026 include: Former Chilean President Michelle Bachelet (nominated by Chile) and former Senegalese President Macky Sall (formally nominated through Burundi on March 2, 2026).
  • The UN General Assembly President has called for more candidates to enter the race, noting the field remains thin.
  • The selection ultimately requires a Security Council recommendation — demanding at least nine affirmative votes and no vetoes from any of the five permanent members (P5) — followed by a confirmatory vote in the General Assembly.

Static Topic Bridges

The UN Secretary-General: Role, Powers, and Constitutional Basis

The Secretary-General is described in the UN Charter as the "chief administrative officer" of the United Nations (Article 97). However, the role has evolved far beyond administrative management into active diplomacy, conflict mediation, agenda-setting, and norm advocacy on global challenges such as climate change, pandemics, and disarmament.

  • Under Article 99, the SG has the unique power to bring to the Security Council's attention "any matter which in his opinion may threaten the maintenance of international peace and security" — a rarely exercised but constitutionally significant power.
  • The SG serves as the head of the UN Secretariat and oversees a staff of approximately 44,000 international civil servants across duty stations worldwide.
  • The SG is also the spokesperson and de facto representative of the international community on global crises, playing a critical role in shaping multilateral discourse.
  • The position's actual influence depends heavily on the holder's diplomatic skill, the cooperation of the P5, and the degree of consensus among member states.
  • Past SGs have ranged from largely administrative figures to highly assertive diplomats: Dag Hammarskjöld (active interventionism) and Kofi Annan (human rights and development agenda) represent the more influential end of the spectrum.

Connection to this news: Understanding the SG's constitutional role (Articles 97 and 99) and the gap between formal powers and actual influence is essential for evaluating which candidate profile is best suited for the emerging geopolitical context of 2027.

The Selection Process: Security Council, General Assembly, and the Veto

The UN Charter (Articles 97 and 100) specifies that the SG "shall be appointed by the General Assembly upon the recommendation of the Security Council." In practice, this means the Security Council identifies and recommends a candidate, and the General Assembly votes to confirm — making the UNSC the effective kingmaker.

  • Security Council recommendation requires at least 9 votes out of 15 members, with no veto cast by any P5 member (China, France, Russia, UK, USA). P5 vetoes are cast by secret ballot ("straw polling") using coloured paper, so they do not appear on the public UNSC record as formal vetoes of a resolution.
  • Since 1981, the UNSC has used a series of informal straw polls to identify a consensus candidate, with candidates receiving "encourage," "discourage," or "no opinion" from each member. Any "discourage" from a P5 member effectively signals a likely veto.
  • Candidates submit vision statements, CVs, and campaign finance disclosures to the UN Secretariat.
  • In 2016, the selection process was reformed to include public hearings (interactive dialogues) and formal solicitation of nominations — a departure from the historically secretive process.
  • The General Assembly resolution on the appointment is typically procedural once the UNSC has agreed on a candidate.

Connection to this news: The April 2026 nomination deadline and the public interactive dialogues are direct products of the 2016 transparency reforms. The UNSC straw poll process — with P5 veto power over the selection — remains the decisive bottleneck, and any candidate's viability depends on passing P5 scrutiny.

Regional Rotation and the Informal Convention

The principle of regional rotation in the SG appointment is an informal but consistently observed convention among UN member states. The six UN regional groups — African, Asian, Eastern European, Latin American and Caribbean (GRULAC), Western European and Other (WEOG), and Small Island States — have informally taken turns holding the office.

  • Past Secretaries-General and their regions: Trygve Lie (Norway, WEOG), Dag Hammarskjöld (Sweden, WEOG), U Thant (Myanmar, Asia-Pacific), Kurt Waldheim (Austria, WEOG), Javier Pérez de Cuéllar (Peru, GRULAC), Boutros Boutros-Ghali (Egypt, Africa), Kofi Annan (Ghana, Africa), Ban Ki-moon (South Korea, Asia-Pacific), António Guterres (Portugal, WEOG).
  • The General Assembly codified the principle of regional rotation in a 1997 resolution, also calling for greater gender equality in identifying candidates.
  • Following two consecutive terms by a WEOG-region candidate (Guterres), there is a strong informal expectation that the next SG should come from a region that has not recently held the position — with Latin America, Africa, and Asia all having advocates.
  • Bachelet (Latin America) and Sall (Africa) reflect the regional rotation dynamic: both regions can argue it is their "turn."
  • There is also growing advocacy for the first female Secretary-General, with Bachelet, a former Chilean president and ex-UN High Commissioner for Human Rights, representing that cause.

Connection to this news: The candidacies of Bachelet and Sall directly embody the regional rotation and gender representation debates. The P5's differing geopolitical preferences will shape which regional candidate ultimately gains consensus — making the selection as much a reflection of great power politics as of meritocratic assessment.

Key Facts & Data

  • Current SG: António Guterres (Portugal), term ends December 31, 2026
  • New SG term: January 2027 to December 2031 (five years, renewable once)
  • Selection formally began: November 25, 2025
  • Nomination deadline: April 1, 2026
  • Public interactive dialogues: Week of April 20, 2026 (webcast live)
  • UNSC threshold: 9/15 votes + no P5 veto
  • Declared candidates (as of early March 2026): Michelle Bachelet (Chile/Latin America), Macky Sall (Senegal/Africa, nominated via Burundi March 2, 2026)
  • Constitutional basis: UN Charter Articles 97 (appointment), 99 (SG's power to raise peace/security matters), 100 (independence of Secretariat)
  • Straw poll system: Used since 1981; coloured paper ballots make P5 "discourage" votes informal but effective
  • Transparency reforms: 2016 — first year of open hearings and formal nomination solicitation
  • UN Secretariat staff: ~44,000 international civil servants worldwide
  • Regional groups: African, Asian, Eastern European, GRULAC, WEOG, Small Island States