Investigation Student Trainee
Drawn directly from OPM FedScope (June 2026), this page tracks headcount, average salary, tenure, and pay comparison for the Investigation Student Trainee occupation series (code 1899).
The verdict
In the Investigation Group family, Investigation Student Trainee counts 8 employees, a smaller, specialized federal occupation at 0.0% of the federal civilian workforce, and headcount declined from the prior period; pay averages $46,610, which pays below the federal-wide average.
- Headcount change
- -11.1%
- Pay change
- 0.0%
- Avg tenure
- 2.1 yrs
- Rank in family
- #20 of 20
FedScope read on Investigation Student Trainee (thin series)
For job seekers weighing career length: this series shows a comparatively short average tenure, which can reflect faster turnover, a competitive private-sector alternative, or a newer program still building up its workforce. Headcount moved down versus the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend. As for pay, the latest move was a small shift, within the range of normal year-to-year rounding rather than a broad pay-table change.
Code 18, the Investigation Group family, is where the federal government classifies Investigation Student Trainee alongside 19 related occupations. Candidates browsing USAJOBS for Investigation Student Trainee postings should also review these sibling occupations in the Investigation Group family. Investigation Student Trainee makes up 0.0% of the Investigation Group family's 209,389 combined employees.
Salary context · lean-pay series
How Investigation Student Trainee pay compares to the federal average
Occupation Average
$46,610
Federal Average
$117,339
vs. Federal Avg
-60.3%
Where Investigation Student Trainee ranks on lean federal pay
Investigation Student Trainee earns more on average than 4% of federal occupation series (21 of 541). The highlighted bar marks where Investigation Student Trainee sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; the highlighted bar marks Investigation Student Trainee.
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 peers near this thin headcount
Two peer sets for Investigation Student Trainee outside the Investigation Group family, on headcount and average salary axes that vary across all OPM occupation series.
Similar thin headcount
Nearest employee counts in other occupation families (8 here).
Similar lean average salary
Nearest average salaries in other occupation families ($46,610 here).
Key takeaways
- Place Investigation Student Trainee pay in context with the pay-rank chart above, then compare it with another occupation.
- Turn an average salary into a grade: the GS pay grade tables show how grades and steps map to pay.
- Browse the Investigation Group family occupations in the table above, or search current Investigation Student Trainee postings on USAJOBS.
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.