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OPM FedScope March 2025 Investigation Group

Investigation Student Trainee

Drawn directly from OPM FedScope (March 2025), 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 24 employees, a smaller, specialized federal occupation at 0.0% of the federal civilian workforce, and headcount declined 38.5% from the prior period; pay averages $45,517, which pays below the federal-wide $109,869.

Employees
24
Share of workforce
0.0%
Avg salary
$45,517
Avg tenure
1.5 yrs

What the Numbers Say About Investigation Student Trainee

Federal agencies employ 24 people in the Investigation Student Trainee occupation (OPM code 1899), accounting for 0.0% of the total federal civilian workforce of 2,289,472 for the March 2025 reporting window. Headcount in this occupation moved down by -38.5% 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.

The average salary for Investigation Student Trainee is $45,517 per year, placing it 58.6% below the overall federal civilian average of $109,869. Salaries moved up by 3.5% from the prior period, a broad shift as locality pay tables and grade-level adjustments moved through the workforce. Average length of service in this role is 1.5 years, a comparatively short average tenure, which can reflect faster turnover, a competitive private-sector alternative, or a newer program still building up its workforce.

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, since federal hiring managers often cross-post positions across closely related codes when recruitment is difficult. All figures here come directly from OPM FedScope Employment Cubes, the same official source referenced in federal workforce planning, budget justifications, and GAO reports.

Within the Investigation Group family, Investigation Student Trainee ranks #20 of 20 by headcount, accounting for 0.0% of the family's combined 211,925 employees.

Employees

24

-38.5% from prior period

Average Salary

$45,517

+3.5%

Avg Length of Service

1.5 yrs

Occupation Family

Investigation Group

Salary Context

How Investigation Student Trainee pay compares to the federal average of $109,869

Occupation Average

$45,517

Federal Average

$109,869

vs. Federal Avg

-58.6%

Where Investigation Student Trainee ranks on federal pay

Its average salary of $45,517 is higher than 3% of federal occupation series (19 of 634). The highlighted bar marks where Investigation Student Trainee sits in the federal pay distribution.

$16,074132$63,787308$111,499167$159,21223$206,9242$254,6372
Distribution of average salary across all 634 federal occupation series (OPM FedScope) - Investigation Student Trainee is in the highlighted range.

Average-salary distribution across all 634 federal occupation series; Investigation Student Trainee ranks higher than 3%.

Source: OPM FedScope Employment Cubes As of March 2025

10 other occupations in the same family

Occupation Employees Avg Salary
Compliance Inspection and Support 59,027 $66,788
Criminal Investigation 43,968 $128,647
General Inspection, Investigation, Enforcement, and Compliance Series 42,403 $116,927
Customs and Border Protection 26,205 $110,965
Border Patrol Enforcement Series 19,250 $107,411
Consumer Safety Inspection 5,359 $72,705
Aviation Safety 4,316 $142,755
General Investigation 2,766 $115,787
Investigative Analysis 2,398 $113,302
Import Compliance Series 1,130 $109,580

Frequently Asked Questions

How many federal employees work as Investigation Student Trainee?
There are 24 federal employees in the Investigation Student Trainee occupation as of March 2025. This represents 0.0% of the total federal civilian workforce.
What is the average salary for Investigation Student Trainee in the federal government?
Compared to the $109,869 federal-wide average, Investigation Student Trainee pays 58.6% less: an average of $45,517 per year.
What occupation family does Investigation Student Trainee belong to?
Investigation Student Trainee (code 1899) belongs to the Investigation Group family (code 18). There are 20 occupations in this family.
What is the average length of service for Investigation Student Trainee?
Average tenure in the Investigation Student Trainee occupation runs 1.5 years, versus 11.8 years federal-wide.
Is the Investigation Student Trainee workforce growing or shrinking?
Since the prior reporting period, Investigation Student Trainee has shed about 15 positions, a 38.5% decrease.
How does Investigation Student Trainee pay compare to private sector salaries?
The federal average salary for Investigation Student Trainee is $45,517, 58.6% below the $109,869 federal-wide average. For private-sector benchmarks in this field, see the BLS Occupational Employment and Wage Statistics (OEWS) program.

Data Source: U.S. Office of Personnel Management (OPM) FedScope Employment Cubes, March 2025. Federal civilian non-seasonal full-time and part-time employees. Data does not include military personnel, postal workers, or intelligence agency staff. Last updated: 2026-03-10.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainGovJobs

PlainGovJobs is rendered directly from OPM FedScope federal-workforce data, no number is typed in by an editor. This page draws directly on OPM FedScope occupation-level employment records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.