The top five countries that have the largest uranium resources in 2019 are Australia, Kazakhstan, Canada, Russia and Namibia according to The World Nuclear Association. Russia is estimated to have about 5 percent of the world’s supply.

The following chart shows the world’s top uranium producers in 2021:

Click to enlarge

Source: Russia’s Stranglehold On The World’s Nuclear Power Cycle, Kristyna Foltynova, RFE/RL