Sayyid Ali Hosseini Khamenei is a Twelver Shia Marja' and the second and current supreme leader of Iran, in office since 1989. He was previously President of Iran from 1981 to 1989.— Wikipedia
The time period for further statistics is the same as in the graph above. Retweets are included. For the word cloud, the most common words in a language and numbers were eliminated, and words were converted to lowercase.