What type of government does Iran have?

Iran is an Islamic Republic — a theocratic republic where religious law (sharia) is the basis of governance, the Supreme Leader holds ultimate authority, and elected institutions (president and parliament) operate within limits set by unelected bodies like the Guardian Council.

What happened to Iran's Supreme Leader?

Ali Khamenei was assassinated in Tehran on 28 February 2026 during joint US-Israeli airstrikes targeting high-ranking Iranian officials. His death was confirmed by the Iranian government on 1 March 2026. He had served as Supreme Leader since 1989. The Assembly of Experts — an 88-member elected clerical body — is constitutionally responsible for selecting his successor.

Who is the Supreme Leader of Iran now?

The position is vacant following Khamenei's assassination on 28 February 2026. The Assembly of Experts — 88 elected clerics — is constitutionally responsible for selecting a successor. No appointment had been made public as of early March 2026.

Who is the president of Iran?

Masoud Pezeshkian became president in July 2024 after winning a snap election following the death of Ebrahim Raisi in a helicopter crash. He is considered a reformist by Iranian standards and has sought to revive nuclear diplomacy.

What is the Guardian Council?

The Guardian Council is a powerful unelected body of 12 jurists — half appointed by the Supreme Leader, half by the judiciary — that vets all candidates for elected office and reviews legislation for compatibility with Islamic law and the constitution.

Does Iran have nuclear weapons?

Iran does not publicly acknowledge possessing nuclear weapons. It has enriched uranium to high levels and has been the subject of international sanctions and negotiations (the JCPOA nuclear deal) over concerns that it is pursuing nuclear weapons capability.

AsiaTehranUpdated Apr 2026

Iran Political System & Government Explained

Updated Apr 15, 20262 sourcesBy NorthMethodology

Iran is an Islamic Republic with a unique dual power structure. Supreme Leader Ali Khamenei, who held ultimate authority since 1989, was assassinated in Tehran on 28 February 2026 during joint US-Israeli airstrikes targeting senior Iranian officials. His death was confirmed on 1 March 2026. The Assembly of Experts is constitutionally responsible for selecting a new Supreme Leader. Elected President Masoud Pezeshkian (since July 2024) leads the executive branch. The Islamic Consultative Assembly (Majles) is the elected parliament. All candidates must be vetted by the Guardian Council before they can stand.

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Iran 2024 Presidential Election

Iranian snap presidential election held June–July 2024 after Raisi died in a helicopter crash. Reformist Masoud Pezeshkian defeated hardliner Saeed Jalili in the runoff.

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Iran 2021 Presidential Election

Iranian presidential election held June 2021. Hardline cleric Ebrahim Raisi won in a low-turnout vote after most reformist candidates were disqualified by the Guardian Council.

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Why Iran Is Structurally Important

Iran matters for comparative politics because it is the most institutionally complex authoritarian regime in the world and the most important case for understanding how competitive elections can function within a system explicitly designed to prevent democratic outcomes from challenging the ruling ideology. Since the 1979 Islamic Revolution, Iran has maintained a constitutional order that combines republican institutions — a directly elected president, an elected parliament (Majles), municipal councils, and the Assembly of Experts — with theocratic institutions that hold ultimate authority: the Supreme Leader, the Guardian Council, the Expediency Discernment Council, and the Islamic Revolutionary Guard Corps (IRGC). The interaction between these two pillars produces a form of managed political competition where genuine factional struggle exists, but only within boundaries set by the clerical establishment.

For comparative scholars, Iran defies easy categorization. It is not a totalitarian state — factional competition between reformists, moderates, principalists, and hardliners is real, and election outcomes have produced sharply different governance approaches across presidencies. But it is not a democracy either — the Guardian Council's vetting power allows it to disqualify candidates it deems insufficiently loyal to the Islamic Republic, the Supreme Leader can override any elected institution, and the IRGC operates as both a military force and an economic empire largely outside civilian oversight. Iran is best understood as a competitive authoritarian regime with theocratic characteristics, where the ruling system uses elections to generate legitimacy, manage elite conflict, and calibrate popular pressure without ever permitting a genuine challenge to the foundational principle of velayat-e faqih (guardianship of the Islamic jurist).

The Supreme Leader, the President, and the Dual State

The Iranian constitution creates what scholars call a dual state: a formal government elected by citizens, and a deep state controlled by the Supreme Leader and revolutionary institutions. The Supreme Leader — currently Ali Khamenei, who has held the position since 1989 — is the most powerful individual in the system. He commands the armed forces, controls the judiciary, appoints the head of state broadcasting, sets the strategic direction of foreign and nuclear policy, and has final say over all matters of state. He is formally selected by the Assembly of Experts, an elected body of senior clerics, but in practice the Guardian Council's ability to vet candidates for the Assembly means that the selection process is circular: institutions controlled by the Supreme Leader choose the body that is supposed to hold him accountable.

The elected president serves as head of government and runs the executive branch, but operates within constraints that no democratic executive faces. The president cannot set foreign policy, has limited authority over the security services, and can see policies blocked by the Guardian Council, the Expediency Council, or direct intervention from the Supreme Leader's office. Yet the presidency is not meaningless — the differences between the Khatami, Ahmadinejad, Rouhani, and Raisi presidencies were real, particularly on economic management, social policy, and diplomatic posture. The 2024 election of Masoud Pezeshkian, a relative reformist, after Raisi's death in a helicopter crash, demonstrated that the system still uses presidential elections to adjust its tone and manage internal pressures, even when the structural constraints on presidential authority remain unchanged.

Factional Politics, the IRGC, and the Succession Question

Iranian politics is organized not around parties in the Western sense but around factions — loose coalitions of politicians, clerics, and institutional networks that align on broad orientations toward domestic liberalization, economic policy, and foreign relations. The principal division runs between reformists and moderates (who favor pragmatic engagement with the West, economic liberalization, and greater social freedoms) and principalists and hardliners (who prioritize revolutionary ideology, resistance to Western pressure, and Islamic social governance). This factional competition is genuine: elections produce real shifts in the composition of parliament, the cabinet, and local councils. But the competition is bounded — the Guardian Council's disqualification of reformist candidates in the 2020 parliamentary and 2021 presidential elections effectively rigged the field in favor of hardliners, producing record-low turnout and raising questions about the system's ability to generate even the appearance of democratic legitimacy.

The Islamic Revolutionary Guard Corps (IRGC) has evolved from a revolutionary militia into the most powerful institution in Iran, with control over significant portions of the economy (construction, telecommunications, energy, banking), autonomous military capabilities including the missile program and support for regional proxy forces, and direct influence over political decision-making. The IRGC's economic empire and security apparatus make it a stakeholder in any political outcome, and its institutional interests — maintaining sanctions-resistant economic networks, preserving regional influence through groups like Hezbollah and the Houthis, and resisting domestic liberalization that might threaten its privileges — constrain every president regardless of factional orientation. The succession question — who will replace the 85-year-old Khamenei as Supreme Leader — is the most consequential political event on Iran's horizon, because the successor will determine whether the system evolves toward greater pragmatism, hardens into a military-clerical dictatorship, or fractures under the contradictions that the current leader has managed through decades of strategic ambiguity.

What Advanced Readers Should Watch

Advanced readers should track three dynamics. First, the succession crisis: Khamenei's age and health make the question of who becomes the next Supreme Leader imminent rather than theoretical. The process will be managed by the Assembly of Experts, but the real struggle will take place among factions within the security establishment, the clerical hierarchy, and the IRGC. Whether the successor is a figurehead controlled by the IRGC, a pragmatic cleric who opens space for institutional evolution, or a hardliner who intensifies repression will reshape Iranian politics, regional security, and the nuclear negotiations for a generation.

Second, watch the legitimacy crisis. The Woman, Life, Freedom movement of 2022-2023 revealed that the Islamic Republic faces a profound crisis of popular legitimacy, particularly among young Iranians and women who reject the compulsory hijab and the social restrictions that define the theocratic order. The regime survived through violent repression, but the structural sources of discontent — economic mismanagement, youth unemployment, inflation, environmental degradation, and the gap between revolutionary rhetoric and governance failure — have not been addressed. Whether the system can regenerate legitimacy through managed political openings under Pezeshkian or whether it relies increasingly on coercion is a question with enormous implications for domestic stability and regional security. Third, Iran's nuclear program remains the most consequential wildcard: the collapse of the JCPOA and Iran's subsequent enrichment advances have brought the country closer to weapons capability than at any point in its history, and the interaction between domestic factional politics, regional conflicts, and great-power diplomacy makes the nuclear question inseparable from the broader question of Iran's political future.

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Why Iran Is Structurally Important

The Supreme Leader, the President, and the Dual State

Factional Politics, the IRGC, and the Succession Question

What Advanced Readers Should Watch

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