Mine Safety and Health Inspection Series
Everything OPM FedScope (June 2026) reports about the Mine Safety and Health Inspection Series occupation series (code 1822): headcount, average salary, length of service, and pay comparison.
The verdict
With 875 employees (0.0% of the federal civilian workforce), Mine Safety and Health Inspection Series ranks as a smaller, specialized federal occupation within the Investigation Group family, and headcount declined 0.3% from the prior period. Its average salary of $112,306 pays near the $117,339 federal average.
- Employees
- 875
- Share of workforce
- 0.0%
- Avg salary
- $112,306
- Avg tenure
- 13.2 yrs
What the Numbers Say About Mine Safety and Health Inspection Series
As of the June 2026 reporting window, 875 people work in the Mine Safety and Health Inspection Series occupation (OPM code 1822) across federal agencies, 0.0% of the 1,953,300-strong federal civilian workforce. Headcount moved down by -0.3% from the prior period, a modest but trackable signal for anyone considering this specialized federal career path.
Mine Safety and Health Inspection Series pays $112,306 per year on average, moving up 0.1% from the prior period (a small shift, within the range of normal year-to-year rounding rather than a broad pay-table change). Employees in this role stay an average of 13.2 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.
Code 18, the Investigation Group family, is where the federal government classifies Mine Safety and Health Inspection Series alongside 19 related occupations. Candidates browsing USAJOBS for Mine Safety and Health Inspection Series postings should also review these sibling occupations in the Investigation Group family.
Mine Safety and Health Inspection Series makes up 0.4% of the 209,389 employees across the Investigation Group family, ranking #11 of 20 occupations in that family by headcount. Its average salary ranks in the bottom half (42nd percentile) of pay among Investigation Group occupations.
Salary Context
How Mine Safety and Health Inspection Series pay compares to the federal average of $117,339
Occupation Average
$112,306
Federal Average
$117,339
vs. Federal Avg
-4.3%
Where Mine Safety and Health Inspection Series ranks on federal pay
Its average salary of $112,306 is higher than 62% of federal occupation series (336 of 541). The highlighted bar marks where Mine Safety and Health Inspection Series sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; Mine Safety and Health Inspection Series ranks higher than 62%.
Related Occupations in Investigation Group
10 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Compliance Inspection and Support | 53,444 | n/a | 9.8 yrs |
| Criminal Investigation | 44,633 | n/a | 14.5 yrs |
| General Inspection, Investigation, Enforcement, and Compliance Series | 44,491 | n/a | 14.8 yrs |
| Customs and Border Protection | 27,421 | n/a | 14.7 yrs |
| Border Patrol Enforcement Series | 21,781 | n/a | 13.3 yrs |
| Consumer Safety Inspection | 5,242 | $74,073 | 15.3 yrs |
| Aviation Safety | 4,206 | $143,216 | 15 yrs |
| Investigative Analysis | 2,129 | n/a | 15.9 yrs |
| Import Compliance Series | 1,104 | $126,314 | 16.5 yrs |
| Wage and Hour Investigation Series | 885 | $120,994 | 17.1 yrs |
Nationwide occupation series with similar scale or pay
Two peer sets for Mine Safety and Health Inspection Series outside the Investigation Group family, on headcount and average salary axes that vary across all OPM occupation series.
Similar headcount
Nearest employee counts in other occupation families (875 here).
Similar average salary
Nearest average salaries in other occupation families ($112,306 here).
Key takeaways
- Mine Safety and Health Inspection Series pays near the federal average by 4.3% ($112,306 vs $117,339 federal-wide), at the 62nd percentile for pay among 541 tracked occupation series.
- A smaller, specialized federal occupation by headcount: 875 employees, 0.0% of the federal civilian workforce, and headcount declined 0.3% from the prior period.
- According to OPM FedScope June 2026, Mine Safety and Health Inspection Series ranks #227 of 663 federal occupation series by headcount (the same employee_count ordering as our occupations directory).
- Mine Safety and Health Inspection Series makes up 0.4% of the 209,389 employees across the Investigation Group family, ranking #11 of 20 occupations in that family by headcount.
OPM FedScope and Federal Workforce Data figures are federal civilian headcounts, average salaries, and length-of-service statistics - not job-quality scores, hiring advice, or a live vacancy listing. A larger or higher-paid agency is not a better employer.