According to the United States Geological Survey (USGS), global copper reserves were 1 billion tons in 2023. Countries rich in copper resources mainly include Chile (190 million tons), Australia (100 million tons), Peru (120 million tons), and Russia (80 million tons), Mexico (53 million tons) and the United States (50 million tons), etc. In terms of output, global copper output from ore in 2023 was 22 million tons. The main copper-producing countries were Chile (5 million tons), Peru (2.6 million tons), China (1.7 million tons), and the United States (1.1 million tons).