Mumbai, Dec. 23 -- The International Copper Study Group (ICSG) released preliminary data for October world copper supply and demand in its December 2025 Copper Bulletin. Preliminary data indicates that world copper mine production increased by about 1.9% over the first ten months of 2025, with concentrate production increasing by 0.7% and solvent extraction-electrowinning (SX-EW) by 3.2%. Global mine production is benefiting this year from additional output from projects ramping up to capacity and an improvement in production at a number of operating mines. However, lower grades and incidents at some major copper mines, including Kamoa (May) and Grasberg (September), are constraining global growth.
Preliminary data indicates that world ref...