Crude oil reserves as a share of worldwide reserves reached 9.60 % in 2017 in Iran, according to EIA. This is 0.552 % more than in the previous year.
Historically, crude oil reserves as a share of worldwide reserves in Iran reached an all time high of 10.4 % in 1988 and an all time low of 6.84 % in 1986. When compared to Iran's main peers, crude oil reserves as a share of worldwide reserves in Iraq amounted to 8.63 %, 0.021 % in Pakistan and 0.036 % in Turkmenistan in 2017.
Iran has been ranked 5th within the group of 98 countries we follow in terms of crude oil reserves as a share of worldwide reserves, 1 places behind the position seen 10 years ago.
Proved reserves are estimated quantities of energy sources that the analysis of geological and engineering data demonstrates with reasonable certainty are recoverable under existing economic and operating conditions.