Written By: Tahir Qureshi | Updated: Apr 11, 2026, 11:00 PM
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Australia possesses the world’s largest uranium reserves. Their volume is estimated at approximately 1.67 million tons. This accounts for roughly 28 per cent of the total global uranium reserves currently in existence.
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Kazakhstan holds the world’s second-largest uranium reserves. It possesses 813,900 tons of uranium, representing 14 percent of the global uranium reserves.
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Canada holds the world’s third-largest uranium reserves. The volume of uranium held by Canada is estimated at 582,000 tons. Some of the world’s highest-quality uranium ores are found in Canada.
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Namibia possesses the world’s fourth-largest uranium reserves. It is estimated to hold 497,900 tonnes of uranium. This accounts for approximately 8 percent of global uranium reserves.
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Russia holds the world’s fifth-largest uranium reserves. It possesses 476,600 tonnes of uranium.
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Niger holds the world’s sixth-largest uranium reserves. According to statistics, Niger possesses approximately 336,000 tonnes of uranium.
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South Africa holds the world’s seventh-largest uranium reserves. The quantity of uranium held by the country is estimated at 320,900 tonnes.
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China holds the world’s eighth-largest uranium reserves. The total quantity of uranium reserves held by China is estimated at 270,500 tonnes. It also operates uranium mines in several other countries.
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Brazil possesses the world’s ninth-largest uranium reserves. The quantity of uranium held by Brazil stands at 167,800 tonnes.
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Mongolia holds the world’s tenth-largest uranium reserves. It is estimated to possess uranium reserves totalling 144,600 tonnes.
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