Iran IR: External Debt: DOD: PPG: Official Creditors: Multilateral: Concessional data was reported at 13.321 USD mn in 2017. This records a decrease from the previous number of 17.804 USD mn for 2016. Iran IR: External Debt: DOD: PPG: Official Creditors: Multilateral: Concessional data is updated yearly, averaging 0.000 USD mn from Dec 1970 (Median) to 2017, with 48 observations. The data reached an all-time high of 17.928 USD mn in 2013 and a record low of 0.000 USD mn in 2012. Iran IR: External Debt: DOD: PPG: Official Creditors: Multilateral: Concessional data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s Iran – Table IR.World Bank.WDI: External Debt: Debt Outstanding, Debt Ratio and Debt Service. Public and publicly guaranteed multilateral loans include loans and credits from the World Bank, regional development banks, and other multilateral and intergovernmental agencies. Excluded are loans from funds administered by an international organization on behalf of a single donor government; these are classified as loans from governments. Concessional debt is defined as loans with an original grant element of 25 percent or more. The grant element of a loan is the grant equivalent expressed as a percentage of the amount committed. It is used as a measure of the overall cost of borrowing. The grant equivalent of a loan is its commitment (present) value, less the discounted present value of its contractual debt service; conventionally, future service payments are discounted at 10 percent. Data are in current U.S. dollars.; ; World Bank, International Debt Statistics.; Sum;