The data presents the total coal-mining employment in the U.S. from 2009 to 2016, by mine type. In 2016, the coal-mining industry in the U.S. employed 51,696 people. Of that number, more than 30 thousand employees worked underground.
Underground | 50100 | 54426 | 46348 | 40045 | 30006 |
Surface | 37492 | 35310 | 28456 | 25814 | 21690 |
Total | 87755 | 89838 | 74931 | 65971 | 51696 |