EghtesadOnline: The underground economy and tax evasion in Iran have been estimated to average 37.7% and 3.5% of gross domestic product respectively in the fiscal 2017-8, an analytical research published by the Iranian National Tax Administration shows.

EghtesadOnline: Iran’s underground economy, according to latest data disclosed by the Ministry of Economic Affairs and Finance, was worth 5,360 trillion rials ($34.35 billion) in the year ending March 20, 2018.