Observations

2025: 77.881

Updated: Jun 3, 2026 5:49 PM CDT

Units:

Index 2017=100,

Not Seasonally Adjusted

Frequency:

Annual

Notes

Title	Release Dates

Hours Worked for Mining: Coal Mining (NAICS 2121) in the United States	2021-05-27	2026-05-28

Source

U.S. Bureau of Labor Statistics	2021-05-27	2026-05-28

Release

Industry Productivity	2021-05-27	2026-05-28

Units

Index 2007=100	2021-05-27	2022-01-26
Index 2012=100	2022-01-27	2024-04-24
Index 2017=100	2024-04-25	2026-05-28

Frequency

Annual	2021-05-27	2026-05-28

Seasonal Adjustment

Not Seasonally Adjusted	2021-05-27	2026-05-28

Notes

Labor hours are measured as annual hours worked by all employed persons in an industry.	2021-05-27	2022-01-26
Labor hours are measured as annual hours worked by all workers, including wage and salary workers, unincorporated self-employed workers, and unpaid family workers, in the production of goods and services.	2022-01-27	2026-05-28

Hours Worked for Mining: Coal Mining (NAICS 2121) in the United States (IPUBN2121L010000000)