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Data · Mine accidents

Mine accidents, injuries and illnesses by state and county

How many accidents, injuries and illnesses mine operators report to MSHA in each state and county, how many are deaths, and how that has changed since 2000. The counts come from MSHA's own file of every report, and each year's deaths are checked against MSHA's published summaries.

Checked October 30, 2026 · CC BY 4.0 · Not legal advice

What is in this dataset?

Accident, injury and illness reports that U.S. mine operators and contractors file with the Mine Safety and Health Administration, counted for the nation and for each state and calendar year from 2000 to October 2026, and for each county over the last ten full years (2016 to 2025), by degree of injury: deaths, permanent disabilities, lost-time injuries, restricted-activity injuries, injuries with no lost time and all other reports. State and national records also split reports and deaths between coal and metal/nonmetal mines. Counts only: no narratives, names of operators, occupations or ages are kept.

Use it to size mining-injury demand where mines operate: which states and counties report the most injuries and deaths, how the counts fell since 2000 and how coal compares with metal and nonmetal mining, as context for workers' compensation and mine-injury work. Agents can look up a state, compare several, or search by year, county or degree of injury.

Records
3,243
Look up by
55
state
Primary-source records
3,243

The letters are explained in what P, S, D and U mean.

Where does the data come from?

MSHA publishes every reported accident, injury and illness since 2000 as a text file updated weekly, and the mine register with each mine's state and county. Each report is joined to its mine, and only counts are kept: by state, calendar year and coal or metal/nonmetal; by county for 2016 to 2025; by degree of injury. A gate ties the fiscal-year deaths to MSHA's own At A Glance reports, re-downloads both files and re-derives 50 random cells.

Period covered
January 1, 2000 to October 20, 2026
Places
The whole US, states and counties
How often we refresh it
Every month
Records read
October 30, 2026

Official sources

The sources the records cite most

What does a record look like?

The full records add the dates, the quoted source text and every field in the CSV and JSON files below.

What each of the 19 main columns means
jurisdiction
Two-letter state or territory code, or US
level
us, state, county or county-not-recorded
year
Calendar year of the accident (state and US records)
county
Five-digit county FIPS code of the mine
countyName
County name
status
P: MSHA's own record
value
Reports (the same as reports)
reports
Accident, injury and illness reports filed with MSHA
fatalities
Reports with degree of injury fatality
permanent_disability
Permanent total or partial disability
lost_time
Days away from work, with or without restricted activity
restricted_only
Days of restricted activity only
no_lost_time
No days away and no restricted activity
other
All other reports: accident only, occupational illness, natural causes, nonemployees, first aid
reports_coal
Reports at coal mines
reports_metal
Reports at metal and nonmetal mines
fatalities_coal
Deaths at coal mines
fatalities_metal
Deaths at metal and nonmetal mines
dataThrough
Date of the last accident in the file

How do I use it in my own tools?

mineaccidents_lookup
For one two-letter state or territory code, or US: reports by degree of injury for each year since 2000, coal versus metal/nonmetal, and for every county in the state over 2016 to 2025.
mineaccidents_compare
The records of up to 10 states (or US) side by side: reports by degree of injury and year, coal and metal/nonmetal.
mineaccidents_search
Records whose text matches the words given, such as a year ("2024"), a state or a county name.

How to cite this dataset

You can reuse, adapt and republish this data, including commercially, under the Creative Commons Attribution 4.0 license (CC BY 4.0). The only condition is that you credit Probative and link to the source.

Version
1.0.0, released October 30, 2026
Every version
10.5281/zenodo.23792832 (always points to the newest)
License
CC BY 4.0

Download the data

Free, no email or login. The files are hosted on this site and Zenodo, a public research archive.

Suggested citation

Probative. (2026). Mine accidents, injuries and illnesses by state, county and degree of injury (MSHA), 2000 to 2026 (Version 1.0.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23792833

Credit line for a chart, table or article

Source: Probative, Mine accidents, injuries and illnesses by state, county and degree of injury (MSHA), 2000 to 2026, version 1.0.0, https://doi.org/10.5281/zenodo.23792833, licensed CC BY 4.0.

Add to a reference manager (Zotero, Mendeley, EndNote)

Not legal advice. These are counts of reports that mine operators file with MSHA, not findings of fault or of a violation. A report is a row of MSHA's file: an injured worker, an illness or an accident without injury. The latest year is partial. Workers' compensation claims and deadlines are for your own counsel.

What changed recently?

  • 2026-10-30 · MSHA mine accident, injury and illness reports by state, county and degree of injury, 2000 through 2026: in 2025 mine operators reported 5,603 reports, 33 of them deaths. (source)

The full log is in changes.json.

What are the limits?

  • A report is a row of MSHA's file: an injured worker, an illness or an accident without injury. It is a count of what operators report, not a finding of fault or of a violation.
  • Degree of injury is the operator's coding on MSHA's Form 7000-1. Lost time means days away from work, with or without restricted activity. A report without a recorded degree is counted in all other reports.
  • County is the county of the mine, taken from MSHA's mine register, and county records cover the ten full years 2016 to 2025. Reports whose county code is not a valid county of the state are in the state's not-recorded record.
  • The latest year is partial and runs to the date of the last accident in the file. Reports can be added later.
  • Counts are not rates: they do not adjust for how many miners or hours a state or county has.
  • Records older than 60 days since their last check are marked stale in the files until we re-check them. Every confirmed error we fix is listed in the data corrections log.

Found a wrong value? Report an error with the record id and the source that shows the right value.

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