He stated the turnout in Tehran was just 25.4%, with conservatives devoted to Ayatollah Khamenei winning all 30 seats in the capital.
Previous Revolutionary Guards leader Mohammad Bagher Qalibaf topped the list, and is anticipated to end up being the next parliamentary speaker.
Although vote counting is still going on in some cities, that success is expected to be duplicated throughout the nation. The conservatives currently have sufficient seats to form a majority in the 290- seat chamber.
The result will politically weaken President Hassan Rouhani, a relative moderate.
Several thousand contenders – consisting of 90 mainly reformist members of the existing Majlis – were disqualified from standing by the Guardian Council, a vetting committee faithful to Mr Khamenei.
Critics of Iran’s rulers had contacted people to boycott the surveys as a way of revealing their opposition to what they state is widespread repression of human rights and intolerance of dissent.
What is the background to these elections?
The survey is the first given that the US restored sanctions over Iran’s nuclear programme, battering its economy.
The Islamic republic has been at loggerheads with the US and much of the West because a transformation in 1979 brought a radical Shia Muslim leadership to power.
Mr Khamenei said voting in the parliamentary elections was a “spiritual responsibility” which would show steadfastness in the face of United States efforts to isolate and pressurise the nation into altering.
Tensions between Iran and the US have skyrocketed since 2018 when President Donald Trump abandoned a multi-country agreement, which raised sanctions in exchange for curbs on Iran’s nuclear programme.
Foreign powers had presumed Iran of looking for to develop nuclear weapons, although Iran insists its nuclear activities are for purely tranquil functions.
Divisions over the elections have actually become increasingly crystallised on social media, with Iranians revealing pro- and anti-government positions.
Recent crackdowns on anti-government protesters have likewise deepened opposition to the gentility.