As of 2025, Venezuela holds the world’s biggest share of proven crude oil reserves, totaling 303 billion barrels. However, the country has struggled to turn those reserves into consistent output due to sanctions, outdated infrastructure, and political instability.

Saudi Arabia, in second place with 267 billion barrels, remains one of the most influential oil producers, thanks to its low production costs and key role in OPEC.

Iran ranks third with 209 billion barrels, though its ability to benefit from these reserves is limited by international sanctions and restricted access to global markets.

Canada, in fourth, possesses 168 billion barrels, mostly found in Alberta’s oil sands. The extraction process is expensive, but stable trade with the U.S. helps support its oil industry.

Iraq, with 145 billion barrels, and the UAE, with 113 billion, are both major players in the Middle East’s oil landscape. The UAE, however, is actively investing in other sectors to reduce its dependence on fossil fuels.

In seventh place, Kuwait holds 101.5 billion barrels, mainly from the Burgan Field—one of the world’s largest oil reserves. The country is also heavily involved in refining and petrochemical industries.

Russia, despite facing Western sanctions, has 80 billion barrels in reserves, most of it in Siberian and Arctic regions. It continues to be a major producer on the global stage.

The United States holds 68.8 billion barrels, placing ninth, but leads the world in production. Thanks to its shale reserves and advanced drilling technology, U.S. output reached 13.2 million barrels per day in early 2025.

Libya, with 48.4 billion barrels, has the largest reserves in Africa. However, domestic instability continues to affect its production levels.

These top ten countries dominate the global oil reserve landscape, with a mix of light and heavy crude resources. Some enjoy easy-to-produce oil, while others face higher extraction costs that influence their global competitiveness.