The Middle East holds approximately *** billion barrels of proved crude oil reserves as of 2024. This was close to the amount known in 1960. Proved oil reserves are taken to be those quantities where geological and engineering assessments indicate they may be recovered with relative certainty.
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OPEC. (July 1, 2025). Proved crude oil reserves worldwide in 1960 and 2024, by region (in billion barrels) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/271614/oil-reserves-by-region/
OPEC. "Proved crude oil reserves worldwide in 1960 and 2024, by region (in billion barrels)." Chart. July 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/271614/oil-reserves-by-region/
OPEC. (2025). Proved crude oil reserves worldwide in 1960 and 2024, by region (in billion barrels). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/271614/oil-reserves-by-region/
OPEC. "Proved Crude Oil Reserves Worldwide in 1960 and 2024, by Region (in Billion Barrels)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jul 2025, /statistics/271614/oil-reserves-by-region/
OPEC, Proved crude oil reserves worldwide in 1960 and 2024, by region (in billion barrels) ÌÇÐÄÆƽâ°æ, /statistics/271614/oil-reserves-by-region/ (last visited July 25, 2026)
Proved crude oil reserves worldwide in 1960 and 2024, by region (in billion barrels) [Graph], OPEC, July 1, 2025. [Online]. Available: /statistics/271614/oil-reserves-by-region/
