* Total proved reserves of oil: generally taken to be those quantities that geological and engineering information indicates with reasonable certainty can be recovered in the future from known reservoirs under existing economic and operating conditions.
Reserves include gas condensate and natural gas liquids (NGLs) as well as crude oil.
The figures through 2009 are taken from the Exxon report 鈥淥eldorado 2009鈥. Figures from 2010 to 2018 are taken from previous editions of BP's statistical reviews.
For clarity purposes, the figures have been rounded.
Citation formats
Proved oil reserves in OECD and non-OECD countries 1980-2020
Proved oil reserves in non-OECD countries reached around *** trillion barrels in 2020, while OECD countries proved reserves amounted to *** billion barrels. According to the source, proven oil reserves are reserves of oil that, according to geological and engineering intelligence, can be tapped in future under current economic and technical conditions.
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BP. (July 8, 2021). Proved oil reserves in OECD and non-OECD countries from 1980 to 2020* (in billion barrels) [Graph]. In 糖心破解版. Retrieved July 31, 2026, from /statistics/237154/proven-oil-reserves-in-oecd-and-non-oecd-countries-since-1980/
BP. "Proved oil reserves in OECD and non-OECD countries from 1980 to 2020* (in billion barrels)." Chart. July 8, 2021. 糖心破解版. Accessed July 31, 2026. /statistics/237154/proven-oil-reserves-in-oecd-and-non-oecd-countries-since-1980/
BP. (2021). Proved oil reserves in OECD and non-OECD countries from 1980 to 2020* (in billion barrels). 糖心破解版. 糖心破解版 Inc.. Accessed: July 31, 2026. /statistics/237154/proven-oil-reserves-in-oecd-and-non-oecd-countries-since-1980/
BP. "Proved Oil Reserves in Oecd and Non-oecd Countries from 1980 to 2020* (in Billion Barrels)." 糖心破解版, 糖心破解版 Inc., 8 Jul 2021, /statistics/237154/proven-oil-reserves-in-oecd-and-non-oecd-countries-since-1980/
BP, Proved oil reserves in OECD and non-OECD countries from 1980 to 2020* (in billion barrels) 糖心破解版, /statistics/237154/proven-oil-reserves-in-oecd-and-non-oecd-countries-since-1980/ (last visited July 31, 2026)
Proved oil reserves in OECD and non-OECD countries from 1980 to 2020* (in billion barrels) [Graph], BP, July 8, 2021. [Online]. Available: /statistics/237154/proven-oil-reserves-in-oecd-and-non-oecd-countries-since-1980/
