AVA- Majority of them (650) were transferred to their home country this year, Aziz Ahmad Sarbaz, head of prisoners transfer delegation, told reporters in Kabul.
They were imprisoned on different charges and are transferred under an agreement signed 11 years ago.
In first, Iran moved 16 Afghan prisoners to their home country in exchange for 14 nationals of its own.
Sarbaz said that the prisoners are transferred based on their own consent.
Around 5,000 Afghan prisoners are living in Iranian prisoners.
Sarbaz said that around 2,000 Afghan prisoners are expected to be transferred to their home country from Iran until first quarter of next year.
Iranian authorities have been accused of mistreating prisoners. Afghans in Iran have complained about lack of access of lawyers and time-consuming process of addressing prisoners cases.