Crude oil reserves as a share of worldwide reserves reached 2.13 % in 2016 in USA, according to EIA. This is 3.24 % less than in the previous year.
Historically, crude oil reserves as a share of worldwide reserves in USA reached an all time high of 4.85 % in 1980 and an all time low of 1.53 % in 2009. When compared to USA's main peers, crude oil reserves as a share of worldwide reserves in Canada amounted to 10.4 %, 1.52 % in China, 0.003 % in Japan and 0.588 % in Mexico in 2016.
USA has been ranked 12th within the group of 99 countries we follow in terms of crude oil reserves as a share of worldwide reserves.
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.