<p>Miner fatigue is widely recognized as a ubiquitous and significant risk, yet there is minimal published evidence detailing its burden within the industry. Given the complexities of direct fatigue measurement and the consequential scarcity of available primary data, this paper instead examines the prevalence of work-related fatigue risk factors among U.S. miners compared to the construction and oil and gas industries. We conducted exploratory analyses of fatigue risk factors across seven public data sets. Results indicate that workers in the U.S. mining industry—particularly in coal and metal—experience fatigue risk factors at a high rate, including weekly work hours, commute duration and time of day, shift work, work tasks, and sleep. The high burden of fatigue risk factors in mining highlights an opportunity to design and implement practical and effective controls that prevent the occurrence of fatigue and mitigate its risks. Further research is encouraged to validate these findings; incorporate fatigue-related questions in surveys of miners; and assess multiple risk factors concurrently across various mining commodities, types, and contexts.</p>