The UNHCR said more than 4,000 people were injured in the demonstrations, which entered its fifth day, in the capital Baghdad and various cities in the south of the country.
The number of persons in detention was 212.
The death toll in Baghdad alone was 20 on Friday, a Health Ministry source told the BBC.
The source said that "the number of wounded reached 485 distributed to hospitals of the Martyr Sadr, Imam Ali and al-Kendi.
Iraqi Prime Minister and Commander-in-Chief Adel Abdul Mahdi ordered the lifting of the curfew imposed in Baghdad from 5 am on Saturday.