In Model UN, an agenda topic is the subject matter that a committee has voted to discuss. Most committees are assigned two or three potential topics by the conference secretariat in advance, listed in the background guide. At the start of the first session, delegates debate and vote on the order in which these topics will be addressed — a procedural step usually called setting the agenda.
The agenda topic defines the scope of substantive debate. Speeches in the General Speakers' List, moderated caucus subtopics, working papers, and draft resolutions must all relate to the adopted topic. A chair will typically rule out of order any content that strays too far from it.
Topics are usually phrased as short thematic statements rather than questions, mirroring real UN practice. For example, the UN General Assembly's provisional agenda items use formulations like "The situation in the Middle East" or "Promotion and protection of human rights." MUN background guides tend to follow a similar style, sometimes adding a regional or thematic qualifier (e.g., "Combating the illicit trade in small arms and light weapons in the Sahel").
Procedurally, the motion to set the agenda requires a simple majority in most rulebooks (including THIMUN, NMUN, and Harvard-style procedures). Once one topic is adopted, the second listed topic is typically tabled until the committee votes to move to it — which in practice rarely happens within a single conference weekend.
Choice of agenda topic can be strategically significant. Delegates whose assigned country has stronger policy, more allies, or clearer national interest on one topic will often lobby and speak in favor of that ordering during the initial debate. In crisis committees and historical bodies, the agenda topic may be narrower or fixed by the staff, and updates from the crisis team can effectively shift the topic mid-conference.
Example
At HNMUN 2023, delegates in the DISEC committee voted to set the agenda to "Lethal Autonomous Weapons Systems" before the second listed topic on outer space militarization.
Frequently asked questions
The conference secretariat and chairs select topics during conference preparation and publish them in the background guide; delegates only vote on the order, not the topics themselves.
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