Where is Copper Mined?

 The following countries are the world's major producers of copper

(amount produced is 1995 output, given in tons, from the 1995 Mineral Commodity Summary)

Chile . . . . . . . . . . . . . . . . . . . . . . 2,350,000
United States of America. . . . . . . . . . . . . 1,890,000
Canada. . . . . . . . . . . . . . . . . . . . . . . 740,000
Russia. . . . . . . . . . . . . . . . . . . . . . . 600,000
Indonesia . . . . . . . . . . . . . . . . . . . . . 380,000
Australia . . . . . . . . . . . . . . . . . . . . . 420,000
Peru. . . . . . . . . . . . . . . . . . . . . . . . 400,000
China . . . . . . . . . . . . . . . . . . . . . . . 350,000
Zambia. . . . . . . . . . . . . . . . . . . . . . . 350,000
Poland. . . . . . . . . . . . . . . . . . . . . . . 340,000
Kazakstan . . . . . . . . . . . . . . . . . . . . . 220,000
Philippines . . . . . . . . . . . . . . . . . . . . 115,000
Zaire . . . . . . . . . . . . . . . . . . . . . . . .40,000
Other Countries . . . . . . . . . . . . . . . . . 1,600,000
WORLD TOTAL-------------------------------------> 9,800,000

While the U.S. is the world's second-largest producer of copper, it is the world's largest consumer of copper. The United States imports 830,000 tons of copper. It also exports 850,000 tons.
The largest mining companies are Codelco and Minera Escondida of Chile (of which 57.5% is owned by BHP of Australia), and Phelps Dodge in the United States, followed by RTZ, Asarco, Freeport, ZCCM, Cyprus, and MIM.