Selemo le selemo sa 2021, mokhatlo oa machaba oa lipatlisiso tsa koporo (ICSG) o tlalehile ka la 23 Loetse hore tlhahiso ea koporo e hloekisitsoeng lefatšeng ka bophara ho tloha ka Pherekhong ho isa Phuptjane e nyolohile ka 3.2% selemo le selemo, tlhahiso ea koporo ea electrolytic (ho kenyeletsoa le electrolysis le electrowinning) e phahame ka 3.5% ho feta ea selemo se tšoanang, 'me tlhahiso ea koporo e tsosolositsoeng e hlahisoang ka koporo e litšila e phahame ka 1.7% ho feta ea selemo se tšoanang. Tlhahiso ea koporo e hloekisitsoeng ea Chaena e nyolohile ka 6% nakong ea Pherekhong-Phuptjane ho tloha selemong se fetileng, ho latela lipalo tsa semmuso tsa pele. Tlhahiso ea koporo e hloekisitsoeng ea Chile e ne e le tlase ka 7% ho feta nako e tšoanang selemong se fetileng, ka koporo e hloekisitsoeng ea electrolytic e nyolohile ka 0.5%, empa koporo e hloekisitsoeng ka electro e theohile ka 11%. Afrika, tlhahiso ea koporo e hloekisitsoeng Rephaboliking ea Democratic Republic of the Congo e eketsehile ka 13.5% selemo le selemo ha merafo e mecha ea koporo e buloa kapa limela tsa hydrometallurgical li ntse li hola. Tlhahiso ea koporo e hloekisitsoeng Zambia e eketsehile ka 12% ha li-smelting li ntse li hlaphoheloa ho tloha ho koalloeng ha tlhahiso le mathata a ts'ebetso ka 2019 le mathoasong a 2020. Tlhahiso ea koporo e hloekisitsoeng ea US e eketsehile ka 14% selemo le selemo ha li-smelting li ntse li hlaphoheloa mathateng a ts'ebetso ka 2020. Lintlha tsa pele li bontšitse ho fokotseha ha tlhahiso Brazil, Jeremane, Japane, Russia, Spain (SX-EW) le Sweden ka mabaka a fapaneng, ho kenyeletsoa le ho koalloa ha lifeme tsa tlhokomelo, mathata a ts'ebetso le ho koaloa ha lifeme tsa SX-EW.