Peru became the second largest global copper producer in 2009, displacing the US, with a total output of 1.273 million metric tons.
Peru's National Association of Mining, Oil and Energy said the country's copper production last year beat the US, which stood at 1.19 million tonnes.
Chile reached the top spot in global copper output last year with 5.41 million tonnes, according to Xinhua.
In 2009 the mining sector invested $2.2bn in projects, boosting metal export receipts to $16bn, which constituted 60% of the country's total exports, according to the association’s figures.
Peru is the biggest silver producer in the world, the second biggest zinc producer, the third biggest for tin output, the fourth biggest in lead production and sixth biggest in gold output.