According to the constitution of Islamic Republic of Iran, the President of Iran is the chief executive who is elected by direct vote of people of Iran and Supreme Leader of Iran is the highest ranked political and religious head in Islamic Republic of Iran. The Supreme Leader of Iran is selected by an assembly of experts. The President of Iran is subordinate to Supreme Leader of Iran.
Comparison chart
 | President Of Iran | Supreme Leader Of Iran |
|---|---|---|
| Position | Highest elected official (subordinate to Supreme Leader). Head of Government. | Highest ranking political and religious authority. Head of State |
| Incumbent | Hassan Rouhani | Ali Khamenei |
| Residence | Sa'dabad Palace | Beit Rahbari, Tehran, Iran |
| In office since | August 3, 2013 | June 4, 1989 |
| Appointer | Popularly Elected | Assembly of Experts |
| Formation of post | October 24, 1979 | December 3, 1979 |
| Former Leaders | Abulhassan Banisadr (first), Mohammad-Ali Rajai (second) | Ruhollah Khomeini (1979-1989) |
| Term Length | 4 years, can be renewed once. | Life Tenure, or can voluntarily step down. |
Function
The President of Iran is responsible for signing if treaties, agreements with other countries, international organizations etc. He has the power to appoint ministers, ambassadors, governors once approved by the parliament.
Supreme Leader of Iran has the authority to appoint heads of powerful posts like commander of armed forces, heads of major religious foundations, director of national radio and television network, prayer leaders of city mosques, chief judge, members of the national Security Council, dealing with foreign affairs and defense, chief prosecutor, 12 jurists of Guardian Council.
Qualification and Status to Assume Office
President of Iran is elected to office by national election which allows adults above 15 years of age to vote. The presidential candidate must have approval of Guardian Council. Among the 12 members of Guardian Council, 6 are appointed by the Supreme Leader in accordance with preserving values of Islamic Republic. The Constitution of Iran states the following qualifications for Presidential post:
- Person of Iranian origin.
- Person of Iranian nationality.
- Person with adept administrative capacity and resourcefulness.
- Person with a clean and good past record.
- Person with qualities of trustworthiness and piety.
- Person with complete belief in fundamental principles of Iran and official Majhab or religion of country.
The selected candidate must be elected with a simple majority.
The Supreme Leader of Iran is elected by Assembly of Experts. The Assembly retains power to dismiss the Supreme Leader too. Supreme Leader is the ultimate head of the Iranian government and religion. He has the last say in all matters of Iran. This right is bestowed on Supreme Leader of Iran by the constitution. Supreme Leader retains power to dismiss the President, Guardian Council, Expediency Council and legitimating any law.
Powers and Responsibilities
President of Iran is the Head of Cabinet and Government, Head of Council of National Security, Selects all Vice Presidents, sends and receives foreign ambassadors and is Head of Council of Cultural Revolution. When President is impeached or dies, a Presidential Council takes his place until the next election.
Supreme Leader of Iran delineates general policies of Iran, supervises proper execution of policies of systems, issues decrees on national referendums, assumes supreme command over armed forces and is responsible for declaration of war, mobilization of armed forces etc, complete control over Fuqaha on Guardian Council, judicial authority of Iran, chief of joint staff, supreme commanders of armed forces, signing decrees for elections in Iran, pardoning and reducing sentences of convicts, etc.
Civil Law 
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Capitalism
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