What if Iran leaves the NPT?
Iran’s potential withdrawal could reshape nuclear diplomacy, regional security, and global non-proliferation norms
TEHRAN, Iran (MNTV) — As tensions escalate in the wake of US and Israel’s joint military strikes against Iran’s nuclear facilities, tensions are high in the region, giving air to the concerns shown by Iran that it may opt out of Nuclear Non-Proliferation Treaty (NPT).
Early in the conflict, Iran’s government confirmed that parliament is preparing draft legislation that could pave the way for Tehran’s withdrawal from the NPT.
The move, if enacted, would mark a major shift in the regional security landscape and pose a direct challenge to the international non-proliferation framework.
The bill, still in its early stages, is being framed as a response to what Iranian officials describe as hostile and unjustified aggression by Israel, combined with Western complicity through recent IAEA resolutions.
Iran’s Foreign Ministry spokesperson Esmaeil Baghaei announced on Monday that the government would act in line with parliament’s decision but emphasized that the proposal is still under deliberation.
“Such a proposal is being prepared, and we will coordinate in the later stages with parliament,” Baghaei said. He added that “strategic decisions of the state” are being directly affected by recent attacks and foreign pressure.
Legally, Iran’s withdrawal from the NPT would follow the provisions of Article X of the treaty, which permits any member state to leave if it determines that “extraordinary events” have jeopardized its supreme national interests.
Iran would be required to notify the United Nations Security Council and other treaty parties three months in advance, along with an explanation of its rationale.
Withdrawal would release Iran from its legal obligations under the treaty, including the ban on pursuing nuclear weapons and the requirement to allow International Atomic Energy Agency (IAEA) inspections.
This would effectively end all international oversight of Iran’s nuclear facilities and could clear the path for Tehran to pursue a nuclear weapons program — though doing so would still violate UN Security Council resolutions.
Without IAEA safeguards, Iran’s nuclear activities would be shielded from international monitoring, heightening fears of possible weaponization.
Global powers could interpret such a step as a direct threat to regional stability, triggering diplomatic isolation and further military and economic countermeasures.
Iran has consistently claimed that its nuclear program is peaceful. President Masoud Pezeshkian reaffirmed on Monday that the development of nuclear weapons contradicts a religious fatwa issued by Supreme Leader Ayatollah Ali Khamenei, which forbids their use.
Nevertheless, Iranian authorities argue that Israel’s recent airstrikes and the IAEA’s punitive resolution — passed with Western backing — have created an untenable security situation for the country.
Iran has previously used threats of NPT withdrawal as a strategic bargaining chip during moments of heightened tension — especially after the United States unilaterally withdrew from the Joint Comprehensive Plan of Action (JCPOA) in 2018.
Following increased Western sanctions and the assassinations of key nuclear scientists, multiple leaders in Iran repeatedly called for withdrawal as a show of strength.
However, until now, Iran has stopped short of initiating formal steps. This latest development appears to mark the first time that a legislative roadmap for withdrawal is being actively pursued, rather than merely floated in political rhetoric.
Back in 2020, lawmakers proposed similar measures after the killing of nuclear scientist Mohsen Fakhrizadeh, but the executive branch did not take up the motion.
The current bill, coming in the direct aftermath of Israeli attacks on Iranian soil, appears to enjoy broader political momentum.
If Iran formally exits the NPT, the implications for the Middle East could be profound. Israel, which is not a signatory to the NPT and is widely believed to possess nuclear weapons, may interpret Iran’s move as confirmation of nuclear ambitions.
This could prompt a more aggressive Israeli defense posture or further preemptive actions.
Saudi Arabia, which has long expressed concern over Iran’s nuclear capabilities, may renew its own nuclear ambitions, potentially triggering a regional arms race.
The Gulf Cooperation Council (GCC) could also be drawn into a wider military and diplomatic confrontation.
Internationally, the United States is expected to impose additional sanctions and increase military containment efforts in the region. While the European Union may attempt to revive dialogue, it would likely face mounting pressure to adopt tougher measures.
Russia and China, though more inclined to maintain relations with Tehran, would find it difficult to fully back Iran’s withdrawal without risking broader international backlash.
Whether Iran’s proposal is a negotiating tactic or a genuine policy shift remains to be seen. The bill’s passage in parliament would still require approval from the Guardian Council and would need to align with Supreme Leader Khamenei’s broader strategic vision.
For now, the world watches as Iran debates one of its most consequential foreign policy decisions in decades, amid unprecedented Israeli and US attacks on the country’s nuclear facilities.
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