The Worl d Copper Factbook 2019 International Copper Study Group 39 0 2 000 4 000 6 000 8 000 1000 0 1200 0 1400 0 1600 0 1800 0 2000 0 2200 0 2400 0 2600 0 Wo r l d Re f i n e d Co p p e r Usa g e 1900 2018 Th o u s a n d met r i c to nn e s c o ppe r Sourc e IC S G Since 1900 appar e n t usa g e for refi ned copper ha s i n creased from less th an 50 0 th ous a n d to nnes to 245 million metric to nn es in 2018 as usage over the pe rio d grew by a compound ann u al growth rate of 34 pe r ye a r