DISEC (GA First Committee) in Model UN

DISEC is the UN General Assembly's First Committee, where every member state has a seat; it deals with disarmament and threats to international peace. It works with the UN Disarmament Commission and the Conference on Disarmament in Geneva. In Model UN it follows General Assembly procedure; its topics include nuclear, cyber and autonomous weapons.

Updated Oct 5, 2026

  • 5 countries: on 91 to 96% of seat lists
  • 19 more seats in a typical session of 24

Upcoming DISEC conferences

135 conferences

  • RNS MUN Conference, Bangalore

    Oct 6-7, 2026 · Bangalore, India

    English

    Not open yet

  • Perrott Hill British School Model United Nations

    Oct 9-12, 2026 · Prague, Czech Republic

    English

    Apply by Oct 5

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  • Conference of Global Youth

    Oct 10, 2026 · Online

    English

    Applications closed

  • Global Connectivity Model United Nations

    Oct 10-11, 2026 · Online

    English

    Applications closed

  • MUN Without Borders

    Oct 10-11, 2026 · Online

    English

    Applications closed

  • Volutary Students Model United Nations VII

    Oct 10, 2026 · Online

    English

    Apply by Oct 7

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  • Model Diplomat Mun

    Oct 14, 2026 · Online

    English

    Apply by Oct 7

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  • ACADEMUN Basel

    Oct 15-18, 2026 · Basel, Switzerland

    English

    Applications closed

  • BOLMUNPAZ

    Oct 15-17, 2026 · La Paz, Bolivia

    English, Spanish

    Not open yet

  • BUP International Model United Nations Conference

    Oct 15-17, 2026 · Dhaka, Bangladesh

    English

    Applications closed

  • International Model United Nations of Ecuador

    Oct 15-17, 2026 · Quito, Ecuador

    English, Spanish

    Apply by Oct 11

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  • THE COIMBATORE MUN

    Oct 17-18, 2026 · Online

    English

    Apply by Oct 11

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  • 2 committees: Junior First Committee (Disarmament and International Security), Senior First Committee (Disarmament and International Security)

    Black Sea Model UN Conference

    Oct 22-25, 2026 · Chisinau, Moldova

    English

    Applications closed

  • GSMUN Cyprus

    Oct 23-25, 2026 · Nicosia, Cyprus

    English

    Apply by Oct 18

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  • Young Entrepreneurs Society Model United Nations

    Oct 23-25, 2026 · Warsaw, Poland

    English

    Apply by Oct 16

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  • Caucasus Model United Nations

    Oct 24-26, 2026 · Tbilisi, Georgia

    English

    Applications closed

  • Caucasus MUN

    Oct 24-26, 2026 · Tbilisi, Georgia

    English

    Not open yet

  • GavelPoint MUN

    Oct 24-25, 2026 · Online

    English

    Apply by Oct 24

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  • Meridian MUN

    Oct 24-25, 2026 · Online

    English

    Apply by Oct 23

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  • SATMUN

    Oct 24, 2026 · Lyon, France

    English, French

    Apply by Oct 17

    • Best socials
    • Top academics
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  • AMUNG X VROMUN

    Oct 25, 2026 · Online

    English

    Apply by Oct 25

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  • Model United Nations Of Malmö

    Oct 26-29, 2026 · Malmö, Sweden

    English

    Apply by Oct 6

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  • Struer Model United Nations

    Oct 28-30, 2026 · Struer, Denmark

    English

    Applications closed

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  • CHARCASMUN

    Oct 29-31, 2026 · Sucre, Bolivia

    English, Spanish

    Not open yet

  • Oxford International Model United Nations

    Oct 30 - Nov 1, 2026 · Oxford, United Kingdom

    English

    Apply by Oct 15

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  • DomeMUN

    Oct 31 - Nov 1, 2026 · Heemstede, Netherlands

    English

    Applications closed

  • Moraitis School MUN

    Oct 31 - Nov 1, 2026 · Athens, Greece

    English

    Not open yet

  • MUN@DPSD

    Oct 31 - Nov 1, 2026 · Dubai, United Arab Emirates

    English

    Not open yet

  • AybMUN

    Nov 6-8, 2026 · Yerevan, Armenia

    English

    Not open yet

  • Face Festival UK International MUN (FaceMUN)

    Nov 6-8, 2026 · Manchester, United Kingdom

    English

    Apply by Oct 30

    • Best socials
    • Top academics
    • Well organized
    • Best socials
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  • IE University Model United Nations

    Nov 6-9, 2026 · Madrid, Spain

    English, Spanish

    Apply by Oct 19

    • Top academics
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  • REDMUN

    Nov 6-8, 2026 · Cusco, Peru

    English, Spanish

    Apply by Oct 30

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  • THE INTERNATIONAL SENATE

    Nov 6-8, 2026 · Guwahati, India

    English

    Not open yet

  • PORG Ostrava Model United Nations

    Nov 7-8, 2026 · Ostrava, Czech Republic

    English

    Apply by Oct 30

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  • Sovereign Multilateral Conference of the Parties

    Nov 7-8, 2026 · Online

    English

    Apply by Oct 31

    • Top academics
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  • The MUN

    Nov 7-8, 2026 · Online

    English

    Apply by Nov 8

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  • Warsaw Model United Nations

    Nov 12-15, 2026 · Warsaw, Poland

    English

    Apply by Oct 9

    • Top academics
    • Well organized
    • Top academics
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  • Kleve Model United Nations

    Nov 13-15, 2026 · Kleve, Germany

    English

    Apply by Nov 6

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Browse all Model UN conferences

DISEC topics in Model UN

Most common on DISEC agendas on mymun: nuclear weapons and disarmament (27% of 1,193 topics), then cyber and AI (23%) and terrorism and extremism (11%). Rising this season: cyber and AI (34% of topics this season, up from 22%).

ThemeShare of topics
  1. Nuclear weapons and disarmament 27%

    Example: Moderating the outer space arms race including space systems, weapons, and objects, Albanian College Tirana MUN

  2. Cyber and AI Rising23%

    Example: Cyberattacks and improved security: addressing AI in the democratic process, Ikast Brande Gymnasium MUN

  3. Terrorism and extremism 11%

    Example: Preventing arms proliferation and the use of illicit weapons by terrorist organizations, ISBMUN

  4. Armed conflicts 10%

    Example: Addressing the Proliferation of Unmanned Aerial Vehicles (UAVs) in Armed Conflicts, Zephra International Model United Nations- August

  5. Crime and drugs 8%

    Example: Combating the Global Proliferation and Illicit Trade of Small Arms and Light Weapons, Galabov Model United Nations

  6. Outer space 6%

    Example: Weaponization of Outer Space, Strategic Model United Nation Chapter- II

  7. Peacekeeping and peacebuilding 2%

    Example: De-escalating the political crisis in Venezuela, Farel Academy Model United Nations

  8. Maritime and border disputes 2%

    Example: Deliberating Measures to Maintain Peace and Security in the Taiwan Strait, The Variable Conference

From 1,193 DISEC topics on mymun. A topic can touch several themes.

Where DISEC debates are set

  1. Middle East 4%
  2. Iran 2%
  3. Arctic 2%
  4. Russia 2%
  5. Ukraine 1%
  6. Israel 1%
  7. Sahel 1%
  8. Palestine 1%
  9. Syria 1%
  10. South China Sea 1%

Share of 1,193 DISEC topics on mymun that name the place.

Recent DISEC topics

  1. The Weaponization of the Moon:Regulating the Use of Lunar Infrastructure for Military and Strategic Purposes

    The Variable Conference II
    Outer space

  2. Preventing the Proliferation and Use of Autonomous Weapons Systems and Establishing International Regulations for Their Development and Deployment

    Technology & Diplomacy International Summit-III
    Cyber and AI

  3. Regulating the proliferation of lethal autonomous weapons systems (LAWS) and unmanned aerial vehicles (UAV)

    Albanian College Tirana MUN
    Cyber and AI

  4. Measures to establish international guidelines and standard use of military AI technology with special regards to private military companies

    Prva Privatna Gimnazija Model United Nations
    Cyber and AI

  5. Measures to strengthen international peace and security through disarmament and the regulation of emerging military technologies

    Hillel Model United Nations
    Nuclear weapons and disarmament

  6. Assessing the security implications of rapid advances in biotechnology

    Int. School of Prague Model United Nations

  7. The question of managing the illegal trade of small weapons and ammunition in the Gulf of Guinea

    Ikast Brande Gymnasium MUN

  8. Preventing arms proliferation and the use of illicit weapons by terrorist organizations

    ISBMUN
    Terrorism and extremismCrime and drugs

DISEC countries in Model UN

DISEC sessions on mymun seated about 24 delegations. China, the United States, France, the United Kingdom and the Russian Federation appear on 91 to 96% of DISEC seat lists on mymun.

  • 5 countries: on 91 to 96% of seat lists
  • 19 more seats in a typical session of 24

Most often seated

CountryShare of seat lists
  1. 1China 96%
  2. 2United States 95%
  3. 3France 95%
  4. 4United Kingdom 91%
  5. 5Russian Federation 91%
  6. 6India 86%
  7. 7Germany 84%
  8. 8Japan 80%
  9. 9Iran 77%
  10. 10Brazil 74%
  11. 11Israel 72%
  12. 12Pakistan 70%

Share of 984 DISEC seat lists on mymun.

Most requested

CountryShare of applicants
  1. 1United States 10%
  2. 2France 8%
  3. 3Russian Federation 7%
  4. 4United Kingdom 6%
  5. 5China 6%
  6. 6Germany 6%
  7. 7India 5%
  8. 8Canada 4%
  9. 9Israel 4%
  10. 10Japan 3%
  11. 11Iran 3%
  12. 12Australia 3%

Share of 18,905 DISEC applicants on mymun who asked for the country.

Often still open

CountryStill open
  1. 1Nigeria 14 of 16
  2. 2South Africa 16 of 19
  3. 3Indonesia 9 of 11
  4. 4Morocco 9 of 11
  5. 5Finland 8 of 10
  6. 6Singapore 8 of 10
  7. 7Kenya 10 of 13
  8. 8Chile 9 of 12
  9. 9Egypt 11 of 15
  10. 10Poland 11 of 15
  11. 11Netherlands 8 of 11
  12. 12Qatar 10 of 14

Still open in upcoming DISEC sessions that take applications now and have started placing delegates (30 sessions).

DISEC in Model UN: quick answers

How many delegates are in a DISEC committee?

In the real First Committee all 193 UN member states have a seat. DISEC sessions on mymun seated about 24 delegations.

Are DISEC resolutions binding?

No. DISEC's drafts go to the full General Assembly, which makes recommendations to states, and there questions of peace and security need a two-thirds majority.

Is DISEC a good committee for beginners?

Yes, with some reading on arms control: every member state has an equal vote and nobody holds a veto, but topics lean on treaties such as the Treaty on the Non-Proliferation of Nuclear Weapons.

What topics does DISEC debate in Model UN?

Top themes in 1,193 DISEC topics on mymun: nuclear weapons and disarmament (27%), cyber and AI (23%) and terrorism and extremism (11%). Places named most often: the Middle East, Iran, the Arctic, Russia and Ukraine.