The Worl d Copper Factbook 2019 International Copper Study Group 27 0 500 0 100 00 150 00 200 00 250 00 Afri ca Asi a Eur o pe Nor t h Am erica O ce ania Sou t h Am erica C o ppe r and Co p p e r Al l o y Se m i s Pr oduc t i on by Re gi o n 1980 2018 P Th o u s a n d me t r i c t o nne s gr o s s we i g ht So u r ce ICSG 198 0 201 8 Asia accounted fo r 80 or alm o s t 206 million metric tonnes of semis ou tpu t in 2018 compared to 23 in 1980 P Preliminary Data for som e cou n tries still incomplete