GS-12 vs GS-13 Take Home Pay 2026
What's the real difference in your bank account? Here's the side-by-side breakdown after all federal deductions, using Rest of U.S. (17.06%) locality pay.
Step-by-Step Comparison: All 10 Steps
| Step | GS-12 Annual | GS-12 Net/PP | GS-13 Annual | GS-13 Net/PP | Net Diff/PP | Net Diff/Year |
|---|---|---|---|---|---|---|
| Step 1 | $89,508 | $2,272.67 | $106,437 | $2,632.85 | +$360.18 | +$9,365 |
| Step 2 | $92,491 | $2,336.13 | $109,985 | $2,708.33 | +$372.20 | +$9,677 |
| Step 3 | $95,475 | $2,399.62 | $113,533 | $2,783.82 | +$384.20 | +$9,989 |
| Step 4 | $98,459 | $2,463.11 | $117,081 | $2,859.31 | +$396.20 | +$10,301 |
| Step 5 | $101,443 | $2,526.59 | $120,629 | $2,934.79 | +$408.20 | +$10,613 |
| Step 6 | $104,427 | $2,590.08 | $124,177 | $3,010.28 | +$420.20 | +$10,925 |
| Step 7 | $107,411 | $2,653.57 | $127,725 | $3,085.76 | +$432.19 | +$11,237 |
| Step 8 | $110,395 | $2,717.06 | $131,273 | $3,161.25 | +$444.19 | +$11,549 |
| Step 9 | $113,378 | $2,780.52 | $134,822 | $3,236.76 | +$456.24 | +$11,862 |
| Step 10 | $116,362 | $2,844.01 | $138,370 | $3,312.03 | +$468.02 | +$12,169 |
All figures use Rest of U.S. locality pay (17.06%). Net pay estimated for single filer with standard assumptions.
Deduction Breakdown: Step 5
| Item | GS-12 | GS-13 | Difference |
|---|---|---|---|
| Gross Biweekly | $3,901.65 | $4,639.58 | +$737.93 |
| FERS (4.4%) | $171.67 | $204.14 | +$32.47 |
| TSP (5% Traditional) | $195.08 | $231.98 | +$36.90 |
| FEHB (Self Only) | $126.29 | $126.29 | +$0.00 |
| Social Security (6.2%) | $234.07 | $279.82 | +$45.75 |
| Medicare (1.45%) | $54.74 | $65.44 | +$10.70 |
| Federal Tax | $410.28 | $557.37 | +$147.09 |
| State Tax (DC) | $182.92 | $239.74 | +$56.82 |
| Total Deductions | $1,375.06 | $1,704.79 | +$329.73 |
| Net Biweekly | $2,526.59 | $2,934.79 | +$408.20 |
TSP Government Match Comparison
At 5% TSP contribution, both grades receive the maximum 5% government match. Here's what that means in dollars:
| Grade | Your 5% Contribution/PP | Agency Match/PP | Agency Match/Year |
|---|---|---|---|
| GS-12 Step 5 | $195.08 | $195.08 | $5,072 |
| GS-13 Step 5 | $231.98 | $231.98 | $6,031 |
The GS-13 receives $959/year more in free government matching contributions.
Comparison Across Localities (Step 5)
| Locality | GS-12 Net/PP | GS-13 Net/PP | Difference |
|---|---|---|---|
| Washington-Baltimore-Arlington (33.94%) | $2,837.82 | $3,304.88 | +$467.06 |
| San Jose-San Francisco-Oakland (46.34%) | $3,074.03 | $3,568.76 | +$494.73 |
| New York-Newark (37.95%) | $2,946.24 | $3,444.12 | +$497.88 |
| Rest of U.S. (17.06%) | $2,709.51 | $3,174.54 | +$465.03 |
| Houston-The Woodlands (35.0%) | $3,086.33 | $3,621.88 | +$535.55 |
The grade-to-grade difference varies by locality because higher gross pay pushes you further into progressive tax brackets. State tax differences also play a role.
What Changes from GS-12 to GS-13?
GS-12 positions typically include senior analysts, project leads, and experienced professionals. GS-13 positions typically include supervisors, team leads, and senior subject matter experts.
Gross Pay Increase
At Step 5 in Rest of U.S., the gross salary jumps from $101,443 to $120,629 — a $19,186/year increase (18.91% raise).
Net Pay Increase
After all deductions — FERS pension (4.4%), TSP (5%), FEHB, Social Security (6.2% up to $184,500), Medicare (1.45%), and federal/state income tax — the actual take-home increase is $10,613/year, or about $408.20/pay period.
Why the Net Increase Is Smaller
Every dollar of additional gross pay faces marginal deductions. FERS and TSP are proportional (percentage-based), so they scale directly with pay. FICA taxes continue at the same rate until the $184,500 Social Security wage base is reached. Federal income tax is progressive — additional income may be taxed at a higher marginal rate. The combined marginal deduction rate for a typical GS employee in this range is roughly 35-45%, meaning only 55-65 cents of every additional gross dollar reaches your bank account.
Career Path Considerations
Moving from GS-12 to GS-13 typically requires either a competitive promotion or qualifying education/experience. Within-grade step increases (WGIs) happen automatically based on time in service and acceptable performance, but grade increases require a new position or classification change. The pay increase from a grade promotion generally exceeds several years of step increases.
Frequently Asked Questions
How much more does a GS-13 take home than a GS-12 in 2026?
At Step 5 with Rest of U.S. locality pay, a GS-13 takes home approximately $408.20 more per pay period ($10,613/year) than a GS-12 after all federal deductions including FERS, TSP, FEHB, FICA, and income taxes.
What is the gross salary difference between GS-12 and GS-13?
At Step 5 in Rest of U.S., GS-12 earns $101,443/year and GS-13 earns $120,629/year — a gross difference of $19,186/year. However, the net take-home difference is smaller due to higher deductions at the higher grade.
Why is the take-home pay difference smaller than the gross pay difference?
Higher gross pay means higher FERS pension contributions (4.4% of gross), higher TSP contributions in dollar terms, higher FICA taxes, and potentially higher federal income tax due to progressive brackets. Roughly 35-45% of additional gross pay goes to increased deductions.
How do I get promoted from GS-12 to GS-13?
Grade promotions typically require applying for and being selected for a higher-graded position, or being in a career ladder position where promotion is built into the position description. Unlike step increases (which are time-based), grade increases require meeting the qualifications for the higher grade.
Does locality pay affect the GS-12 to GS-13 difference?
Yes. Higher locality percentages increase the absolute dollar difference between grades because the locality adjustment is applied to a higher base salary at GS-13. However, the percentage difference between grades remains similar across localities.
More Comparisons
Estimate assumptions: Single filer, FERS-FRAE (4.4%), 5% Traditional TSP, average FEHB Self Only ($126.29/pp), no FEGLI.