As of 2010 Bulgaria ranks as the 19th largest coal producer in the world, 9th largest bismuth producer, 19th largest copper producer, and the 26th largest zinc producer.
截至2010年，保加利亚排名世界第十九大煤炭生产国， 第9大铋生产国第19大铜生产国和第26大锌生产国。