The UN Peacebuilding Architecture

The UN peacebuilding architecture was built to fix a specific failure. After the Cold War, peace agreements multiplied: armed conflicts fell from 53 in 1992 to 29 in 2003, according to the Uppsala Conflict Data Program, and for the first time in the modern era more wars ended at the negotiating table than on the battlefield. Yet a distressing share of those settlements did not hold. Researchers studying international peace support in the late 2000s described a recurring “no war, no peace” condition, in which the fighting stopped but the structural causes of conflict went untransformed, and a persistent gap between the signing of an agreement and the long, unglamorous work of implementing it.

The United Nations answered that gap in December 2005, when the General Assembly and the Security Council, acting on the 2005 World Summit Outcome, adopted concurrent resolutions creating the Peacebuilding Commission. Together with the Peacebuilding Fund and the Peacebuilding Support Office that followed in 2006, the Commission forms what is collectively known as the UN peacebuilding architecture.

From An Agenda for Peace to a standing institution

The vocabulary came first. In his 1992 report An Agenda for Peace, Secretary-General Boutros Boutros-Ghali coined the terms that still organise UN practice: peacemaking, meaning support to negotiations leading to an agreement; peacekeeping, a security stabilisation mechanism; and peacebuilding, the post-agreement effort to build and sustain peace in the aftermath of war. What the system lacked for the next thirteen years was a body responsible for the third task once the cameras left.

Coordination until then was improvised. Research on third-party peace support traced the model to 1990, when Alvaro de Soto, the Secretary-General’s Special Representative for El Salvador, encouraged Colombia, Mexico, Venezuela and Spain to form a Group of Friends for that peace process, channelling the energies of interested states so they did not work at cross purposes to the mediator. The formula was replicated, with mixed results, in Cambodia, Mozambique, Georgia, Guatemala, Haiti, Tajikistan and Western Sahara. Such coalitions were flexible but ad hoc, formed and dissolved for idiosyncratic reasons, and they clustered around negotiations rather than the decade of institution-building that follows them. How mediators and their supporters divide this labour is explored in the journal’s overview of official and unofficial strands of mediation and dialogue.

The Peacebuilding Commission’s founding goal, in the words of its mandate, is to “bring together all relevant actors to marshal resources and to advise on the proposed integrated strategies for post conflict peacebuilding and recovery”.

The three parts of the architecture

The architecture, documented in full on the UN Peacebuilding site, has three components with distinct jobs:

• The Peacebuilding Commission (PBC), an intergovernmental advisory body of 31 member states drawn from the Security Council, the General Assembly, the Economic and Social Council, top financial contributors and top troop contributors. It advises on integrated strategies, marshals resources and sustains international attention on countries emerging from conflict.
• The Peacebuilding Fund (PBF), launched in 2006 as the UN’s financial instrument of first resort for countries at risk of, or emerging from, violent conflict. It is designed to move faster than conventional development finance and to take risks other donors avoid.
• The Peacebuilding Support Office (PBSO), the secretariat that supports the Commission, administers the Fund and advises the Secretary-General on peacebuilding strategy. Since 2019 it has operated within the UN’s Department of Political and Peacebuilding Affairs.

The Commission works substantially through country-specific configurations. The first two, established in 2006, were Burundi and Sierra Leone; Guinea-Bissau followed in 2007, then the Central African Republic, Liberia and Guinea. Each configuration pairs a chairing member state with a sustained international effort around one country’s recovery. Burundi, an early test case, showed both faces of the experiment: real gains in coordinated donor attention, alongside the difficulty of translating New York deliberations into change on the ground. The journal’s coverage of peacebuilding in Burundi follows that story in detail.

What the architecture was meant to solve

The research on peace process coordination identified the design problem precisely. International support to peace processes had expanded along three lines: more coordinated diplomacy, from Groups of Friends to contact groups; a horizontal expansion of multilateral actors, with the African Union, ECOWAS, the OSCE, the EU and others joining the UN in peacemaking; and a vertical expansion of non-state actors, as NGOs developed expertise that classic diplomacy lacked. The result was a crowded field. Some coalitions, such as the International Contact Group on Somalia with more than 30 members, grew too large to steer. Not all support was helpful, and competing initiatives could do real harm.

The Peacebuilding Commission institutionalised what these improvised coalitions had done unevenly: keeping international actors aligned after an agreement, when attention and money habitually drain away. That is also why regional organisations feature so prominently in its work. The EU, the largest collective donor in many post-conflict settings, adopted its own Concept on Strengthening EU Mediation and Dialogue Capacities in 2009, which stresses coordination and complementarity with the UN; researchers advised the EU to choose roles that complement rather than duplicate the lead of others, advice that applies equally within the Commission’s configurations. The EU side of this machinery is examined in the journal’s analysis of EU conflict prevention policy, and the craft that coordination is meant to protect is set out in the guide to mediation.

Reviews, reform and the sustaining peace agenda

The architecture has been formally reviewed every five years. The 2010 review found the Commission relevant but underpowered, still marginal to the Security Council’s decisions. The 2015 review, led by an Advisory Group of Experts, went further: peacebuilding remained an afterthought, undertaken late, underfunded and fragmented. Its report prompted the twin resolutions of April 2016, General Assembly resolution 70/262 and Security Council resolution 2282, which reframed the entire enterprise around “sustaining peace”, a concept spanning prevention before, during and after conflict rather than only post-agreement recovery. The 2020 review consolidated that shift, and debate since has centred on financing, including proposals for assessed contributions to the Peacebuilding Fund, which the General Assembly approved in principle in 2023.

Judged against the ambitions of 2005, the record is mixed in instructive ways. The Commission has no coercive power and modest resources; its currency is attention, advice and convening. Where a configuration chair has invested seriously and the host government has wanted partnership, as in Sierra Leone’s transition from the agenda, the architecture has quietly worked. Where political will was absent, no institutional design could substitute for it. That conclusion echoes the broader research finding that peace support succeeds through political processes, not technical machinery, a theme that runs through the journal’s analysis section.

Frequently asked questions

What is the UN peacebuilding architecture?

It is the set of three UN bodies created in 2005-2006 to support countries emerging from conflict: the Peacebuilding Commission, an intergovernmental advisory body; the Peacebuilding Fund, a fast financial instrument; and the Peacebuilding Support Office, the secretariat that serves both.

What is the Peacebuilding Commission?

The Peacebuilding Commission is a 31-member intergovernmental advisory body established in December 2005 by concurrent resolutions of the General Assembly and Security Council. It advises on integrated peacebuilding strategies, marshals resources and sustains international attention on countries recovering from war.

Why was the Peacebuilding Commission created?

Because post-Cold War peace agreements frequently collapsed or froze into “no war, no peace” situations once international attention moved on. The 2005 World Summit concluded the UN needed a standing body to keep actors coordinated and resources flowing through the long implementation phase.

Which countries have been on the Peacebuilding Commission’s agenda?

The first country-specific configurations, created in 2006, were Burundi and Sierra Leone. Guinea-Bissau joined in 2007, followed by the Central African Republic, Liberia and Guinea. The Commission has since engaged a wider range of countries at their own request.

What does the Peacebuilding Fund do?

Launched in 2006, the Peacebuilding Fund provides rapid, risk-tolerant financing to countries at risk of or emerging from violent conflict, often before other donors commit. In 2023 the General Assembly agreed in principle to supplement its voluntary funding with assessed contributions.

Where does the term peacebuilding come from?

Secretary-General Boutros Boutros-Ghali’s 1992 report An Agenda for Peace popularised the UN’s working distinction between peacemaking (supporting negotiations), peacekeeping (stabilising security) and peacebuilding (post-agreement efforts to build and sustain peace after war).

What is a Group of Friends in peace processes?

An informal coalition of states supporting a specific peace process, pioneered in 1990 for El Salvador when four countries formed a Group of Friends of the Secretary-General. Such groups channel the influence of interested states so they reinforce, rather than compete with, the lead mediator.

What is sustaining peace?

A concept adopted in the twin resolutions of April 2016 (General Assembly 70/262 and Security Council 2282), which reframed peacebuilding as an activity spanning the whole conflict cycle: preventing outbreak, escalation, continuation and recurrence, not just post-agreement recovery.

How is the peacebuilding architecture reviewed?

Through formal five-yearly reviews, held in 2010, 2015, 2020 and 2025. The 2015 review by an Advisory Group of Experts was the most consequential, diagnosing peacebuilding as fragmented and underfunded and prompting the 2016 sustaining peace resolutions.

Does the Peacebuilding Commission have enforcement powers?

No. It is advisory, with no coercive authority and a modest budget. Its influence rests on convening states, donors, international financial institutions and civil society, sustaining attention, and advising the Security Council and General Assembly on countries under consideration.

How does the EU relate to the UN peacebuilding architecture?

The EU is among the largest donors to post-conflict recovery and adopted its own Concept on Strengthening EU Mediation and Dialogue Capacities in 2009, which stresses coordination with the UN. Research on peace support advises the EU to complement rather than duplicate UN-led efforts.