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List of uranium mines : ウィキペディア英語版 | List of uranium projects Uranium production is carried out in about 20 countries around the world, producing a cumulative total of 54,610 tonnes of uranium (tU). The countries where more than 100 tU/year production reported are Kazakhstan (28%), Canada (20%), Australia (16%), Namibia (8%), Russian Federation (7%), Niger (6%), Uzbekistan (5%), United States (3%), Ukraine (2%), China (2%), India (1%), South Africa (1%), Czech Republic (1%), Brazil (1%) and Malawi (<1%). Since 2009 the in-situ leach (ISL) operations of Kazakhstan are producing the largest share of world uranium. The largest conventional uranium mines are McArthur river (Canada), Ranger (Australia), Olympic Dam (Australia), Krasnokamensk (Russia) and Rossing (Namibia). The largest uranium producers are Cameco, Rio Tinto, Areva, KazAtomProm and ARMZ-TVEL. The production methods employed are conventional underground (UG) and open cast (OC) (47%), in-situ leaching (ISL, 46%) and by-product (7%). About 50 uranium production centers are operational. ==Commercial projects==
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