5 Largest Oil Reserves by Country in the World in 2021

3. Canada

Total oil reserves of the country at the end of 2019 (in thousand million barrels): 169.7

Share of total oil reserves in the world at the end of 2019 (in percentage terms): 9.8

Canada might have a low population but the land covered by the country is actually vast, allowing it to make our list of the largest oil reserves by country in 2021. The biggest companies here include Suncor (NYSE:SU) and Imperial Oil.

Suncor Energy Inc. (USA) (NYSE:SU)