TEHRAN - A total of 592 people, mostly political unknowns, have registered for the 13th presidential election in Iran, Jamal Orf, head of the country's election campaign, said on Saturday.

Out of the total candidates, 40 are women and 552 are men, Orf was quoted by the official IRNA news agency as saying.

On Saturday, the last day of the registration process, three senior political figures announced their bid for the upcoming presidential election scheduled on June 18.

Iran's Judiciary Chief Ebrahim Raisi as a principlist candidate, First Vice President Eshaq Jahangiri as a reformist candidate, and former Parliament Speaker Ali Larijani as a moderate conservative political figure officially registered for the campaign.