Five people have so far been sentenced to death and 81 have received jail terms in connection with post-election unrest in Iran.
Prosecutors in Iran have confirmed the figures, with the Tehran Justice Department saying those facing the death penalty were members of so-called terrorist or opposition groups.
The prosecutors released a statement on Tuesday to say the cases had been legally done in the presence of defence lawyers.
The statement said, so far, 89 of the detainees had been tried, 81 of whom had received jail terms differing from six months to 15 years.
The jail sentences of three of the detainees had been suspended and three other people had been acquitted.
The disputed presidential election in June sparked mass opposition protests, who insisted the poll had been rigged to ensure the re-election of President Mahmoud Ahmadinejad.
At least 30 protesters were killed at the demonstrations with thousands detained and some still behind bars. Agency