The Canadian Encyclopedia — neutral, cited, updated
July 26, 2026Sources cited
Canadianwire.
Canada’s encyclopedia & explainer
Home›Politics & World›Iran›Ali Khamenei
Politics & World • Iran

Ali Khamenei

Ali Hosseini Khamenei was an Iranian Shia cleric and politician who served as Iran’s supreme leader from 1989 until his death in 2026.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Ali Hosseini Khamenei was an Iranian Shia cleric and politician who served as Iran’s supreme leader from 1989 until his death in 2026. He previously served as president of Iran from 1981 to 1989 and was one of the most powerful figures in the Islamic Republic. His leadership period was the longest in the history of the Islamic Republic.

Early life and clerical background

Ali Khamenei was born in 1939 in Iran and became a Shia cleric. He later emerged as an important political figure within the Islamic Republic.

Presidency of Iran

Khamenei served as president of Iran from 1981 to 1989. His presidency came during the early years of the Islamic Republic.

Supreme leadership

He became supreme leader in 1989 after Ruhollah Khomeini’s death and remained in office until 2026. The role gave him final authority over major state matters, including the armed forces and key policy decisions.

Political influence

Khamenei was widely regarded as the central power broker in Iran’s system. His leadership shaped domestic governance and Iran’s regional posture over several decades.

Key facts

  • Khamenei served as Iran’s second supreme leader from 1989 until 2026.
  • He was president of Iran before becoming supreme leader.
  • As supreme leader, he held the highest authority in Iran’s political and religious system.
  • He was a Shia cleric and was widely identified with the title ayatollah.
  • His leadership period was the longest in the history of the Islamic Republic.
🍁
Canadian context

Khamenei was a major figure in Middle Eastern politics, and his decisions affected Canada’s diplomatic, security, and refugee-policy interests through Iran’s regional role and Canada-Iran relations.

Frequently asked questions

Who was Ali Khamenei?
He was an Iranian Shia cleric and politician who served as Iran’s supreme leader from 1989 until 2026.
What was his role before becoming supreme leader?
He served as president of Iran from 1981 to 1989.
What does the title ayatollah mean in this context?
It is a religious title used for senior Shia clerics; Khamenei was commonly referred to by this honorific.
Why was he important in Iran?
As supreme leader, he held the highest authority in Iran’s political and religious hierarchy.
When did he die?
The supplied sources state that he died on 28 February 2026.

References

  1. Encyclopaedia Britannica — https://www.britannica.com/biography/Ali-Khamenei
    Supports: Birth date, presidency, supreme leadership, clerical title, and office history.
  2. BBC News — https://www.bbc.com/news/world-middle-east-29115464
    Supports: Role as supreme leader and description as Iran’s highest authority.
  3. Associated Press — https://apnews.com/article/iran-supreme-leader-ayatollah-ali-khamenei-dead-5b13b69b708c4ed38e8f95f5fb41a597
    Supports: Reported death in 2026 and summary of his long leadership.
  4. Wikipedia — https://en.wikipedia.org/wiki/Ali_Khamenei
    Supports: Cross-check for dates, offices, and biographical details.