Records analyzed
10 sub-agencies
Cross-joined with state geography and occupational mix
Open-data reference.
Federal workforce data for NAT AERONAUTICS AND SPACE ADMINISTRATION. This agency represents 0.8% of the total federal civilian workforce. Source: OPM FedScope, March 2025.
NAT AERONAUTICS AND SPACE ADMINISTRATION employs 17,973 federal civilian workers, which accounts for 0.8% of the total federal civilian workforce of 2,289,472 reported in the OPM FedScope March 2025 release. Compared to the prior period, headcount moved down by -1.0%, a signal that hiring authorities and attrition at this agency are shedding net positions during the current reporting window.
On compensation, the average salary of $152,463 sits 38.8% above the federal civilian average of $109,869. Average length of service at NAT AERONAUTICS AND SPACE ADMINISTRATION is 16.2 years, reflecting a workforce that has built institutional knowledge across 10 sub-agencies. For applicants comparing federal employers, this pay premium (or gap) combined with tenure patterns helps explain why some agencies retain staff through full careers while others cycle more rapidly through early-career hires.
Geographic reach is another signal of scale: NAT AERONAUTICS AND SPACE ADMINISTRATION has employees in 15 states and territories, with the largest concentration in TEXAS (3,197 employees at $159,285 avg salary). Over the most recent 8 months of workforce-dynamics data, the agency recorded 0 accessions against 0 separations for a net change of 0 positions — useful context for job seekers evaluating whether NAT AERONAUTICS AND SPACE ADMINISTRATION is expanding, contracting, or simply replacing departures. All figures draw directly from OPM FedScope Employment Cubes and update quarterly.
Employees
17,973
-1.0% from prior period
Average Salary
$152,463
+2.1%
Avg Length of Service
16.2 yrs
Sub-agencies
10
Records analyzed
10 sub-agencies
Cross-joined with state geography and occupational mix
Data vintage
March 2025
OPM FedScope quarterly snapshot
Source authority
OPM FedScope
U.S. Office of Personnel Management — official federal HR data
Agency average $152,463 relative to federal average $109,869
Estimated distribution of 17,973 employees across the General Schedule pay grades. Tier weights are modeled from the agency's average salary of $152,463, average length of service of 16.2 years, and sub-agency salary brackets. Color encodes pay-band tier (entry / mid / senior / executive).
How NAT AERONAUTICS AND SPACE ADMINISTRATION pay compares to the federal average of $109,869
Agency Average
$152,463
Federal Average
$109,869
vs. Federal Avg
+38.8%
Under $80K
0
$80K–$100K
0
$100K–$120K
0
$120K–$150K
8,346
Over $150K
9,627
NAT AERONAUTICS AND SPACE ADMINISTRATION has 10 sub-agencies. The highest-paying unit averages $170,094.
| Sub-agency | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| LYNDON B. JOHNSON SPACE CENTER | 3,142 | $157,877 | 15.9 yrs |
| GODDARD SPACE FLIGHT CENTER | 3,042 | $162,117 | 16.8 yrs |
| GEORGE C. MARSHALL SPACE FLIGHT CENTER | 2,276 | $143,410 | 15.8 yrs |
| HEADQUARTERS, NASA | 2,129 | $165,011 | 17.4 yrs |
| JOHN F. KENNEDY SPACE CENTER | 2,070 | $136,697 | 14.9 yrs |
| LANGLEY RESEARCH CENTER | 1,787 | $143,820 | 17 yrs |
| JOHN GLENN RESEARCH CENTER AT LEWIS FIELD | 1,423 | $138,928 | 16.4 yrs |
| AMES RESEARCH CENTER | 1,314 | $170,094 | 15.6 yrs |
| NEIL A. ARMSTRONG FLIGHT RESEARCH CENTER | 531 | $144,289 | 15 yrs |
| JOHN C. STENNIS SPACE CENTER | 259 | $137,095 | 15.2 yrs |
NAT AERONAUTICS AND SPACE ADMINISTRATION has employees in 15 states and territories. TEXAS has the most with 3,197 employees.
| State | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| TEXAS | 3,197 | $159,285 | 16.2 yrs |
| MARYLAND | 2,864 | $165,057 | 17.4 yrs |
| ALABAMA | 2,295 | $143,961 | 16 yrs |
| FLORIDA | 2,223 | $138,098 | 15.1 yrs |
| VIRGINIA | 2,067 | $143,595 | 16.7 yrs |
| CALIFORNIA | 1,806 | $164,277 | 15.9 yrs |
| OHIO | 1,503 | $140,165 | 16.4 yrs |
| DISTRICT OF COLUMBIA | 816 | $176,297 | 17.3 yrs |
| MISSISSIPPI | 438 | $130,226 | 14.2 yrs |
| NEW MEXICO | 77 | $129,254 | 12.1 yrs |
| WEST VIRGINIA | 44 | $139,835 | 15.6 yrs |
| LOUISIANA | 44 | $148,586 | 14 yrs |
| NEW YORK | 29 | $176,422 | 19 yrs |
| COLORADO | 25 | $166,678 | 18.4 yrs |
| WASHINGTON | 12 | $159,487 | 10.2 yrs |
Monthly hiring and separation trends. Net change over 8 months: 0.
| Month | Accessions | Separations | Net |
|---|---|---|---|
| Jan 2025 | +263 | -106 | +157 |
| Dec 2024 | +27 | -196 | -169 |
| Nov 2024 | +31 | -0 | +31 |
| Sep 2024 | +26 | -0 | +26 |
| Aug 2024 | +123 | -12 | +111 |
| Jul 2024 | +73 | -0 | +73 |
| Jun 2024 | +16 | -0 | +16 |
| Apr 2024 | +26 | -0 | +26 |
Why employees join and leave NAT AERONAUTICS AND SPACE ADMINISTRATION
New Hire - Competitive Service Appointment
425
New Hire - Excepted Service Appointment
160
Retirement - Voluntary
280
Quit
34
Average length of service is 16.2 years. Employees in sub-agencies grouped by average tenure.
Under 5 yrs
0
5–10 yrs
0
10–15 yrs
2,070
15–20 yrs
15,903
Over 20 yrs
0
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DEPARTMENT OF LABOR
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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.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from OPM FedScope. Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.