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List of countries by proven oil reserves

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Map of countries with proven oil reserves - according to US EIA (start of 2017)

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A map of world oil reserves according to OPEC, January 2014

Proven oil reserves are those quantities of petroleum which, by analysis of geological and engineering data, can be estimated, with a high degree of confidence, to be commercially recoverable from a given date forward from known reservoirs and under current economic conditions.

Some statistics on this page are disputed and controversial—different sources (OPEC, CIA World Factbook, oil companies) give different figures. Some of the differences reflect different types of oil included. Different estimates may or may not include oil shale, mined oil sands or natural gas liquids.

Because proven reserves include oil recoverable under current economic conditions, nations may see large increases in proven reserves when known, but previously uneconomic deposits become economic to develop. In this way, Canada's proven reserves increased suddenly in 2003 when the oil sands of Alberta were seen to be economically viable. Similarly, Venezuela's proven reserves jumped in the late 2000s when the heavy oil of the Orinoco Belt was judged economic.

Sources

Sources sometimes differ on the volume of proven oil reserves. The differences sometimes result from different classes of oil included, and sometimes result from different definitions of proven. (The data below does not seem to include shale oil and other unconventional sources of oil such as tar sands. For instance, North America has over 3 trillion barrels of shale oil reserves, and the majority of oil produced in the US is from shale, leading to the paradoxical data below that the US will finish all its oil at 2024 production levels in 10 years.)

Source	Canada	Iran	Iraq	Russia	Saudi Arabia	United States	Venezuela
BP	168.1	157.8	145.0	107.8	297.5	68.8	303.8
OPEC	5.0	208.6	145.0	80.0	267.2	38.8	303.5
US CIA	170.3	208.6	145.0	80.0	258.6	38.2	303.8
US EIA	168.1	208.6	145.0	80.0	261.6	60.5	303.6

Countries

This is a table only for PROVEN RESERVES, which is a restricted classification not always understood by popular news reports. Other reserve classifications or descriptions often used, including ESTIMATED, PROBABLE, POSSIBLE, or LIKELY reserves, DO NOT BELONG IN THIS TABLE. -- Data was rounded to nearest whole number, or to preserve at least 2 significant figures where necessary. -- Reserve amounts are listed in millions of barrels.

Country	EIA
OPEC
BP
Others	Oil production
Feb 2025 (bbl/day)	Years of
production
in reserve	us*eft(OPEC)	us*eft(OPEC)	us*eft(OPEC)	us*eft(OPEC)	us*eft	us*eft(OPEC)	us*eft(OPEC)	us*eft(OPEC+)	us*eft	us*eft(OPEC)	us*eft(OPEC)	us*eft(OPEC+)	us*eft	us*eft	us*eft(OPEC+)	us*eft(OPEC)	us*eft	us*eft	us*eft	us*eft	us*eft(OPEC+)	us*eft(OPEC+)	us*eft(OPEC+)	us*eft	us*eft	us*eft(OPEC+)	us*eft(OPEC+)	us*eft	us*eft	us*eft	us*eft (OPEC)	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft(OPEC)	us*eft	us*eft	us*eft(OPEC+)	us*eft(OPEC+)	us*eft(OPEC)	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft(OPEC+)	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	us*eft	1,720,000	1,585,187	1,793,424	82,431,000
304,000	303,220	303,800		1,098,000
267,000	267,230	297,600		10,815,700
209,000	208,600	155,600		4,084,000
201,000	145,020	175,000		4,462,000
170,000	4,731	172,200	171,000	5,500,000
113,000	113,000	97,800		3,200,000
102,000	101,500	101,500		2,559,000
80,000	80,000	107,800		10,750,000
74,000	55,251	68,800	48,000	13,401,000
50,000	48,773	48,800	42,000	1,380,000
37,000	37,500	37,100		1,700,000
30,000	30,000	30,000		1,880,000
26,000	27,000	26,000		4,915,000
25,000	25,244	25,244		1,746,100
13,000	12,634	13,000	16,848	4,900,000
12,000	12,200	12,200		1,415,000
11,000			11,000	740,000
8,300	8,273	8,000		467,000
8,100	7,573	8,500		1,990,000
7,800	2,550	7,800		1,030,000
7,000	7,000	7,000		570,000
6,000	5,558	10,800	9,700	1,762,000
5,400	5,373	5,300		987,600
4,600	4,495	5,680	4,409	670,000
4,400	4,400	4,000		177,700
3,800		3,500		160,000
3,600	3,600	3,600	5,542	600,000
3,300	4,400	3,500		880,000
3,000		3,000		70,000
3,000	2,838	2,500		830,000
2,900	1,811	2,900		275,000
2,500	1,800	2,800	2,618	609,000
2,500	2,500	2,500		95,000
2,500				230,000
2,500	2,250	3,600	3,497	619,000
2,400	1,803	4,000	4,002	258,000
2,400	2,400	2,400		12,000
2,000	2,040	2,300		760,500
2,000	2,000	2,000		215,000
1,500		1,500		140,000
1,400			1350	89,000
1,300	5,000	1,500		200,000
1,100	1,100	1,100		100,000
1,100	1,100	1,100		79,000
900		1,400	1,489	123,000
700				186,000
600		600		75,000
600	600	600		275,000
600	594	600		67,000
500			236	100,000
500		600	595	150,000
400	439	600	550	70,000
400		400		45,000
400		400		60,000
300		400		577,000
200		700	830	54,000
200			210	66,000
200				65,000
200	198			26,000
200				186,000
200				14,000
200			158	29,000
200				12,000
200				2,100
200				88,000
200
100				8,000
100				900
100			141	76,000
100			124	26,000
100			229	135,000
100			151	18,000
100				68,000
86				5,600
77				12,000
71				9,200
61				82,000
44				3,400
40				7,200
40				5,700
35				9,000
35				200
28				3,000
20
15				1,000
15	15.0			1,300
15	15			100,000
12			12	18,000
12			35	24,000
12				700
12				300
10				1,500
9				100
8
6				800
2				200
1				1,000
1			1	100
1

indicates links to "Oil reserves in Country or Territory" or "Energy in Country or Territory" pages.

References

(7 January 2026). "Why Does Venezuela Have So Much Oil? Geology".
"Full report – Statistical Review of World Energy 2021".
"2022 OPEC Annual Statistical Bulletin".
"Interactive charts".
"Petroleum - The World Factbook".
(2021-12-01). "Largest proved reserve holders of crude oil".
"International - U.S. Energy Information Administration (EIA)".
(2021-05-07). "OPEC at 60: the world with and without OPEC". OPEC Energy Review.
(8 June 2016). "Statistical Review of World Energy".
"International - U.S. Energy Information Administration (EIA)".

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