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 declined 0.6% from the prior period. Its average salary of $52,435 pays below the $117,339 federal average.
- Employees
- 336
- Share of workforce
- 0.0%
- Avg salary
- $52,435
- Avg tenure
- 15.2 yrs
What the Numbers Say About Statistical Assistant
0.0% of the federal civilian workforce (1,953,300 employees total, June 2026) works in the Statistical Assistant occupation (OPM code 1531): 336 people, headcount down -0.6% 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.
Statistical Assistant pays $52,435 per year on average, moving up 0.5% 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 15.2 years, a long average tenure, typical of career federal roles where employees stay through much of a full career before retirement.
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.
Within the Mathematics and Statistics Group family, Statistical Assistant ranks #8 of 11 by headcount, accounting for 1.5% of the family's combined 22,044 employees.
Salary context · lean-pay series
How Statistical Assistant pay compares to the federal average of $117,339
Occupation Average
$52,435
Federal Average
$117,339
vs. Federal Avg
-55.3%
Where Statistical Assistant ranks on lean federal pay
Its average salary of $52,435 is higher 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; Statistical Assistant ranks higher than 7%.
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
- Statistical Assistant pays below the federal average by 55.3% ($52,435 vs $117,339 federal-wide), at the 7th percentile for pay among 541 tracked occupation series.
- A smaller, specialized federal occupation by headcount: 336 employees, 0.0% of the federal civilian workforce, and headcount declined 0.6% from the prior period.
- According to OPM FedScope June 2026, Statistical Assistant ranks #350 of 663 federal occupation series by headcount (the same employee_count ordering as our occupations directory).
- Within the Mathematics and Statistics Group family, Statistical Assistant ranks #8 of 11 by headcount, accounting for 1.5% of the family's combined 22,044 employees.
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.