International Atomic Energy Agency
Vienna-based nuclear watchdog with 182 member states. The IAEA verifies that nuclear material stays peaceful, sets global safety and transport standards, and reports to the UN General Assembly and Security Council — but it is not a UN specialized agency.
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- Established
- 1957
- Location
- Vienna, Austria
- Country
- Austria
- Identity
- The International Atomic Energy Agency (IAEA) is the world's nuclear watchdog: an autonomous international organization that verifies nuclear material is used only for peaceful purposes, sets global nuclear safety and transport standards, and promotes peaceful nuclear science.
- Membership
- 182 member states as of September 2026, up from 176 in March 2023. The General Conference includes all member states; the Board of Governors has 35 members.
- Founded
- Established in 1957, following U.S. President Dwight Eisenhower's "Atoms for Peace" address to the UN General Assembly on 8 December 1953. Its Statute defines a dual mandate: promote peaceful atomic energy and ensure assistance is not used for any military purpose.
- Leadership
- Rafael Mariano Grossi of Argentina, the sixth Director General, took office on 3 December 2019 and was reappointed for a second four-year term running from 3 December 2023 to 2 December 2027.
- Nobel Peace Prize
- In 2005 the IAEA shared the Nobel Peace Prize with its then Director General, Mohamed ElBaradei, for efforts to prevent nuclear energy from being used for military purposes.
- Safeguards
- Under safeguards agreements, IAEA inspectors visit nuclear facilities to verify state records, check surveillance equipment, and confirm physical inventories of nuclear material.
- Transport rules
- The IAEA's Regulations for the Safe Transport of Radioactive Material (SSR-6, Rev. 1, 2018 edition) feed into the IMDG Code for sea transport, ICAO Technical Instructions for air, and national land regulations.
Overview
The International Atomic Energy Agency (IAEA) is the world’s nuclear watchdog: a Vienna-based autonomous international organization with 182 member states that verifies nuclear material is used only for peaceful purposes, sets global nuclear safety and transport standards, and promotes peaceful nuclear science. (STVR) It is not a United Nations specialized agency; under a 1957 agreement it reports to the UN General Assembly and, when necessary, the Security Council. (UN–IAEA Agreement)
That reporting line is what gives the Agency teeth. When its Board of Governors finds a state in non-compliance with safeguards, the Agency must report the case to both the Security Council and the General Assembly. (UN–IAEA Agreement) Its dual mandate — promote the atom’s peaceful uses while policing them — comes from its Statute: to “accelerate and enlarge the contribution of atomic energy to peace, health and prosperity” while ensuring that assistance it provides is not used to further any military purpose. (Cornell) In 2005 the Agency shared the Nobel Peace Prize with its then Director General, Mohamed ElBaradei, for efforts to prevent nuclear energy from being used for military purposes. (NobelPrize.org)
An autonomous watchdog, not a UN specialized agency
The IAEA is not a United Nations specialized agency: the 1957 agreement between the UN and the Agency recognizes it as an autonomous international organization working “under the aegis of the United Nations,” reporting to the General Assembly and, when necessary, the Security Council. (UN–IAEA Agreement) It traces to U.S. President Dwight Eisenhower’s “Atoms for Peace” address to the General Assembly on 8 December 1953, and its Statute defines a dual mandate: to “accelerate and enlarge the contribution of atomic energy to peace, health and prosperity” while ensuring that assistance it provides is not used to further any military purpose. (Cornell) The Agency began work in 1957, is headquartered in Vienna, Austria, and is governed by a General Conference, a 35-nation Board of Governors, and a Secretariat led by a Director General. (NTI; STVR) It has 182 member states. (STVR) Rafael Grossi of Argentina leads it as the sixth Director General. (NTI)
Safeguards: how verification actually works
Safeguards — the IAEA’s core verification tool — check whether states’ nuclear declarations are correct and complete. Under a safeguards agreement, IAEA inspectors visit nuclear facilities to verify records on the whereabouts of nuclear material, to check IAEA-installed instruments and surveillance equipment, and to confirm physical inventories. (NTI) For non-nuclear-weapon states party to the Nuclear Non-Proliferation Treaty (NPT), comprehensive safeguards are mandatory, built on the INFCIRC/153 model agreement, plus INFCIRC/66, nuclear-weapon-free-zone treaties, and the Brazilian-Argentine ABACC. (NTI) A voluntary Additional Protocol allows more intensive inspections, including access for assurances about undeclared sites. (NTI) Non-compliance findings go to the Board, which calls for remedy and decides on referral to the UN Security Council and General Assembly. (NTI) The system’s limits are real: Iran has been found in violation of its safeguards agreement, and in 2003 North Korea announced its withdrawal from the NPT and forced IAEA inspectors to leave. (NobelPrize.org)
| Inspection type | Purpose |
|---|---|
| Ad hoc | Verify a state’s initial nuclear report |
| Routine | The most common, regularly performed inspections |
| Special | Supplementary inspections in unusual circumstances |
| Safeguard visits | Inspect declared facilities to confirm design information |
Safety standards, transport rules, and a plant at war
Beyond verification, the IAEA writes the nuclear world’s rulebook — including transport. Its Regulations for the Safe Transport of Radioactive Material, SSR-6 (Rev. 1, 2018 edition), set the principal requirements for moving radioactive material, incorporated into the IMDG Code for sea, the ICAO Technical Instructions for air, and regional and national land regulations. (IAEA) For packaged irradiated nuclear fuel, plutonium, and high-level waste carried by sea, the INF Code — a mandatory IMO instrument — sets ship design and operational requirements, while SSR-6 supplies the underlying transport requirements. In wartime: at Ukraine’s Zaporizhzhia plant, Europe’s largest, shelling in August 2022 disconnected a reactor unit and forced emergency generators into operation, and Director General Grossi told the Security Council that all seven of his “indispensable pillars” of nuclear safety and security had been compromised at the site. (UN News) Grossi had visited the plant that year seeking a protection zone around it. (AFP)
| Transport layer | Who sets it | What it covers |
|---|---|---|
| SSR-6 (Rev. 1, 2018) | IAEA | Base requirements for transporting radioactive material by all modes |
| IMDG Code | IMO | Radioactive material carried by sea |
| ICAO Technical Instructions | ICAO | Radioactive material carried by air |
| INF Code | IMO | Ships carrying irradiated fuel, plutonium, high-level waste |
Frequently asked questions
What does the IAEA do?
The IAEA verifies that nuclear material is used only for peaceful purposes through inspections called safeguards, sets international nuclear safety and transport standards, and helps member states apply nuclear science in medicine, agriculture, and energy. It is headquartered in Vienna and had 182 member states as of September 2026. (STVR; NTI)
Is the IAEA part of the United Nations?
No — it is not a UN specialized agency. A 1957 agreement recognizes the IAEA as an autonomous international organization under the aegis of the United Nations. It reports to the General Assembly at each regular session and to the Security Council when questions within the Council’s competence arise. (UN–IAEA Agreement)
Who leads the IAEA?
Rafael Mariano Grossi of Argentina, the Agency’s sixth Director General, has led the IAEA since 3 December 2019. The Board of Governors reappointed him by acclamation for a second four-year term running from 3 December 2023 to 2 December 2027. He is the first IAEA head from Latin America. (Czech Mission; AFP)
What are IAEA safeguards?
Safeguards are technical measures verifying that states’ nuclear declarations are correct and complete. Inspectors visit facilities, check records and surveillance equipment, and confirm physical inventories of nuclear material. Non-nuclear-weapon states party to the NPT accept comprehensive safeguards; a voluntary Additional Protocol allows more intensive inspections. (NTI)
How does the IAEA’s transport role relate to the INF Code?
The IAEA’s SSR-6 regulations set the base requirements for transporting radioactive material, and they feed into the IMDG Code for sea carriage. The INF Code is a separate, mandatory IMO instrument governing ships that carry packaged irradiated nuclear fuel, plutonium, and high-level radioactive waste. (IAEA)
What this profile does not claim
This profile does not state the IAEA’s exact founding day, its annual budget, or its secretariat staffing, none of which were verified in a full-read source. It does not name the newest member states behind the growth from 176 to 182 members, or claim current inspection access in Iran as of October 2026. It does not state North Korea’s nuclear status beyond the 2003 expulsion of IAEA inspectors, and it does not treat the Nobel Prize organization’s “under the umbrella of the United Nations” phrasing as contradicting the 1957 agreement’s precise status — autonomous organization under UN aegis, not a specialized agency. The transport section describes SSR-6 as feeding the maritime regime; it does not claim the IAEA itself regulates ships, which is the International Maritime Organization’s job.
Timeline
- 1953
- U.S. President Dwight Eisenhower delivers the "Atoms for Peace" address to the UN General Assembly on 8 December, proposing an international atomic energy agency.
- 1957
- The IAEA is established in Vienna. A 1957 agreement with the United Nations recognizes it as an autonomous international organization under UN aegis, reporting to the General Assembly and, when necessary, the Security Council.
- 1970
- The Treaty on the Non-Proliferation of Nuclear Weapons enters into force, strengthening the IAEA's safeguards role in verifying that non-nuclear-weapon states do not covertly produce nuclear arms.
- 2005
- The IAEA and Director General Mohamed ElBaradei share the Nobel Peace Prize for efforts to prevent nuclear energy from being used for military purposes.
- 2015
- The IAEA is tasked with monitoring implementation of the landmark nuclear deal between Tehran and world powers, designed to curb Iran's nuclear programme in exchange for sanctions relief.
- 2019
- Rafael Mariano Grossi becomes the IAEA's sixth Director General on 3 December, the first head of the Agency from Latin America, following the death in office of Yukiya Amano.
- 2022
- Shelling strikes Europe's largest nuclear plant at Zaporizhzhia in Ukraine; the IAEA chief warns the Security Council that all seven of his "indispensable pillars" of nuclear safety and security have been compromised there.
- 2023
- The 35-nation Board of Governors reappoints Grossi by acclamation for a second four-year term, 3 December 2023 to 2 December 2027.
- 2026
- The IAEA's 70th General Conference meets in Vienna in September with 182 member states; Slovakia is elected to the Board of Governors for the 2026–2028 term.
What we could not verify
These claims came up in research and could not be confirmed. They are recorded here rather than published as fact or quietly dropped. If you hold a source that settles one, please tell us.
- The exact founding day (29 July 1957) appears in secondary summaries but was not verified in a full-read source; this profile states only the year.
- The identities of the newest member states behind the growth from 176 (2023) to 182 (September 2026) were not verified in a full-read source and are not named.
- The IAEA's current inspection access in Iran as of October 2026 was not verified in a full-read source and is not stated.
- North Korea's nuclear status after the 2003 inspector expulsion was not verified in a full-read source and is not stated beyond that expulsion.
- The IAEA's annual budget and secretariat staffing figures were not verified in a full-read source and are not stated.
- Whether Rafael Grossi is a candidate for UN Secretary-General was seen only in search-result snippets, not in a full-read source, and is not stated.
Sources
9 sources (7 tier 1, 1 tier 2, 1 first-party), each opened and read against the claim it supports. Statements the subject makes about itself are marked as such and are not treated as independent evidence. See the source policy.
Built from sources fetched and read in full: NobelPrize.org, the UN–IAEA agreement text, Cornell Law, the Czech Permanent Mission, AFP, STVR, and UN News (all tier1), the Nuclear Threat Initiative (tier2), and one IAEA information sheet (first-party, used only for the uncontested SSR-6 transport-framework facts). Membership figures come from full-read dated sources: 176 in March 2023, 182 in September 2026.
- Supports: The 2005 Nobel Peace Prize shared by the IAEA and Mohamed ElBaradei and its citation; founding in 1957 in Vienna on Eisenhower's initiative; the NPT entering into force in 1970; IAEA safeguards findings on Iran; the DPRK's 2003 NPT withdrawal announcement and the expulsion of IAEA inspectors. Open original source
- Supports: The UN recognizing the IAEA as the agency for peaceful uses of atomic energy, functioning as an autonomous international organization; Article III reporting to the General Assembly each regular session, to the Security Council when appropriate, and mandatory reporting of non-compliance cases to both. Open original source
- Supports: Establishment in 1957; Eisenhower's "Atoms for Peace" address of 8 December 1953; the Statute's dual-mandate quotation; headquarters at the Vienna International Centre; the IAEA as an independent international organization reporting to the General Assembly. Open original source
- Supports: Grossi's reappointment by acclamation for a second four-year term beginning 3 December 2023, running to 2 December 2027; the 35-nation Board; 176 member states at the time; Grossi as sixth Director General since 1957; first term beginning 2 December 2019. Open original source
- Supports: Grossi as the first IAEA head from Latin America, following Yukiya Amano's death in office; his 2022 visit to the Zaporizhzhia plant seeking a security zone; the 2015 Iran nuclear deal monitoring task and its collapse after the 2018 US withdrawal. Open original source
- Supports: 182 IAEA member states as of September 2026; the 35-member Board of Governors; the 70th General Conference; Slovakia's election to the Board for 2026–2028. Open original source
- Supports: The 5 August 2022 shelling of the Zaporizhzhia plant, Europe's largest; a reactor unit disconnected and emergency generators running; Grossi's seven indispensable pillars of nuclear safety and security, all compromised at the site; his call for an IAEA mission. Open original source
- Supports: The IAEA's principal organs (General Conference, Board of Governors, Secretariat); its functions including NPT comprehensive safeguards; the safeguards system (INFCIRC/66, INFCIRC/153, nuclear-weapon-free zone treaties, ABACC); inspector verification work; the four inspection types; the Additional Protocol; non-compliance referral to the Security Council and General Assembly; Grossi taking office 3 December 2019; Vienna headquarters, regional offices and laboratories. Open original source
- Technical Meeting on the Denial of Shipments of Radioactive Material — Information Sheet First-partySupports: SSR-6 Rev. 1 (2018 edition) as the principal requirements for transport of radioactive material, incorporated into the IMDG Code for sea and the ICAO Technical Instructions for air, plus regional and national land regulations; radioactive material as Class 7 dangerous goods; denials and delays of shipments. Open original source
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