A second round was held on 29 April 2016 for some constituencies where candidates failed to obtain the required minimum 25 percent of votes cast.

Government ministers, members of the Guardian Council and High Judicial Council are banned from running for office, as is the Head of the Administrative Court of Justice, the Head of General Inspection, some civil servants and religious leaders and any member of the armed forces.

The camp spent months bringing together their various wings and formed the "Principlists Grand Coalition", headed by former speaker of the parliament Gholam-Ali Haddad-Adel.

[7] The incumbent speaker Ali Larijani, declined to join the bloc because "they have not provided the necessary mechanisms for the creation of unity" and said he will run independently.

[7] The coalition was headed by Mohammad Reza Aref and included pro-government moderate conservatives who were on the Followers of Wilayat fraction of Ali Larijani's companions,[8][9] and aimed to prevent the hardliners from entering the parliament.

[8] Mohammad Khatami, who renamed the coalition to the "List of Hope" and Akbar Hashemi Rafsanjani endorsed the list, alongside Hassan Rouhani who tacitly supported them by sending text message to every cell phone encouraging citizens to "build the future of the country with plenty of hope".

[7] The moderates faced considerable challenges in the Guardian Council's vetting process and many of their lead figures were disqualified.

(iPOS results)[14] According to a poll conducted on 18 February 2016 with a ±4% margin of sampling error voters favor supporters of Hassan Rouhani among other politicians: