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POLITICAL INSTITUTIONS & GOVERNANCE / FIELD NOTE

Parliamentary Elections

Iran elects its single-chamber parliament through a system classified as a two-round majority system by the Inter-Parliamentary Union. Candidate screening, factional competition, and unequal participation across places are central to understanding the parliamentary vote.

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This article has evidence gaps. Read the research notes before relying on its conclusions.

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Electing the Majles

The Majles, formally the Islamic Consultative Assembly, is Iran’s national parliament. The Inter-Parliamentary Union classifies its structure as unicameral: there is one parliamentary chamber. Its electoral-system profile places elections in the plurality/majority family and identifies a two-round system. Voting is not compulsory. Those classifications provide an introduction, but they do not replace the detailed rules governing individual constituencies and the conditions for a runoff. s1

The constitution assigns supervision of parliamentary elections to the Guardian Council. This supervisory institution must be distinguished from parliament itself: voters select legislators, while another body exercises electoral oversight. s2

[s1] [s2]

Who can compete

Candidate approval substantially shapes the field before voting begins. The House of Commons Library’s account of the 2024 elections describes the exclusion of many reformist and moderate candidates, including serving parliamentarians. It also explains that candidates commonly compete through groups and factions rather than through cohesive parties resembling those familiar to many international readers. Reformist and conservative labels describe broad tendencies; neither should be assumed to denote a single disciplined bloc. s3

The same briefing links restrictions on expression and association to limits on political participation. This matters when interpreting a result: the distribution of seats reflects competition among those permitted to stand, rather than a comprehensive test of every political position held in society. s3

[s3]

Reading the 2024 result

The 2024 election renewed the full legislature, with 290 seats contested. IPU’s completed-election record reports 14 women elected and describes conservative, or principlist, candidates as the dominant force. It records turnout at approximately 41 percent and places the election against a background of economic difficulty, disqualifications, and boycott calls. These circumstances are relevant context, but they do not identify the individual motives of everyone who abstained. s4

The runoff strengthened conservative control, according to Associated Press reporting after the second round. AP also described the exclusion of reformist candidates as a major feature of the contest. Its account makes clear that a runoff can complete the allocation of parliamentary seats while leaving the broader restrictions on political competition intact. s5

National turnout also conceals geographic differences. The Commons Library identified Tehran and some Kurdish- and Baluch-populated areas among places with particularly low participation. A national percentage should consequently not be treated as a description of every locality. s3

For a careful reading, distinguish the electoral formula, the approved candidate field, the constituency results, and the eventual parliamentary factions. Each answers a different question about representation. The inspected evidence supports this account of the 2024 contest, but a complete current guide still requires verification of the consolidated election law and constituency-specific rules. s1s3s4

[s1] [s3] [s4] [s5]

Sources & research notes

  1. [s1] Islamic Parliament of Iran — Electoral systemInter-Parliamentary Union, Parline · Structure of parliament; compulsory voting; electoral system sub-categories · Accessed 2026-10-27
  2. [s2] Iran (Islamic Republic of) 1979 (rev. 1989) ConstitutionConstitute Project · Article 99 · Accessed 2026-10-27
  3. [s3] Iran’s 2024 electionsHouse of Commons Library · What were the results?; How free was the vote?; How high was turnout? · Accessed 2026-10-27
  4. [s4] Islamic Parliament of Iran — March 2024 ElectionInter-Parliamentary Union, Parline · Seats contested; About the election; Members elected, by sex · Accessed 2026-10-27
  5. [s5] A parliamentary election runoff puts hard-liners firmly in charge of Iran's parliamentAssociated Press · Runoff outcome and restrictions on reformist candidacies · Accessed 2026-10-27

limitations

  • The IPU electoral-system profile displays a voting-age field that conflicts with the more recent parliamentary briefing; no voting-age claim is reproduced.
  • IPU’s 2024 record contains inconsistent first-session dates, which are omitted.
  • Some inspected briefing material predates the completed runoff; final representation figures are taken from IPU’s completed-election record.

unverified items

  • Verify the consolidated parliamentary election law effective on 2026-10-26, including the first-round threshold, ballot rules, constituency arrangements, and any subsequent amendments.

data gaps

  • No harmonized election-by-election dataset for 2012–2026 was assembled.
  • Parliamentary elections are periodic events; intervening years would not constitute missing annual turnout observations.

coverage period

Principally the 2024 parliamentary election and runoff

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