Statistical Assistant
Federal headcount, average salary, length of service, and pay comparison for the Statistical Assistant occupation series (code 1531), drawn directly from the OPM FedScope dataset (June 2026).
The verdict
With 336 employees (0.0% of the federal civilian workforce), Statistical Assistant ranks as a smaller, specialized federal occupation within the Mathematics and Statistics Group family, and headcount edged down from the prior period. Its average salary of $52,435 pays below the federal average.
- Headcount change
- -0.6%
- Pay change
- +0.5%
- Avg tenure
- 15.2 yrs
- Rank in family
- #8 of 11
What the Numbers Say About Statistical Assistant
For job seekers weighing career length: this series shows a long average tenure, typical of career federal roles where employees stay through much of a full career before retirement. 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 15, the Mathematics and Statistics Group family, is where the federal government classifies Statistical Assistant alongside 10 related occupations. Candidates browsing USAJOBS for Statistical Assistant postings should also review these sibling occupations in the Mathematics and Statistics Group family. Across the Mathematics and Statistics Group family, 22,044 employees work in 11 occupations; Statistical Assistant is 1.5% of that headcount.
Salary context · lean-pay series
How Statistical Assistant pay compares to the federal average
Occupation Average
$52,435
Federal Average
$117,339
vs. Federal Avg
-55.3%
Where Statistical Assistant ranks on lean federal pay
Statistical Assistant earns more on average than 7% of federal occupation series (40 of 541). The highlighted bar marks where Statistical Assistant sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; the highlighted bar marks Statistical Assistant.
Related Occupations in Mathematics and Statistics Group
10 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Computer Science | 10,070 | $158,879 | 11 yrs |
| Operations Research | 4,562 | $162,234 | 14.2 yrs |
| Statistics | 2,962 | $140,330 | 14.3 yrs |
| Mathematical Statistics | 1,332 | $159,420 | 14.3 yrs |
| Data Science Series | 1,092 | $146,079 | 8 yrs |
| Mathematics | 979 | $177,549 | 13.2 yrs |
| Mathematics and Statistics Student Trainee | 372 | $47,225 | 0.9 yrs |
| Actuarial Science | 233 | $167,765 | 17.4 yrs |
| General Mathematics and Statistics | 105 | $211,381 | 16.3 yrs |
| Cryptanalysis | 1 | $158,322 | 29.7 yrs |
Nationwide occupation series with similar scale or pay
Two peer sets for Statistical Assistant outside the Mathematics and Statistics Group family, on headcount and average salary axes that vary across all OPM occupation series.
Similar headcount
Nearest employee counts in other occupation families (336 here).
Similar lean average salary
Nearest average salaries in other occupation families ($52,435 here).
Key takeaways
- Place Statistical Assistant 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 Mathematics and Statistics Group family occupations in the table above, or search current Statistical Assistant 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.