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2025 Federal Income Tax Brackets
Federal tax applies to taxable income — gross salary minus the standard deduction, minus any pre-tax 401(k) contributions.
Standard deduction (2025)
| Filing status | Standard deduction |
|---|---|
| Single | $15,000 |
| Married Filing Jointly | $30,000 |
Single filers
| Taxable income | Marginal rate |
|---|---|
| $0 – $11,925 | 10% |
| $11,925 – $48,475 | 12% |
| $48,475 – $103,350 | 22% |
| $103,350 – $197,300 | 24% |
| $197,300 – $250,525 | 32% |
| $250,525 – $626,350 | 35% |
| Over $626,350 | 37% |
Married Filing Jointly
| Taxable income | Marginal rate |
|---|---|
| $0 – $23,850 | 10% |
| $23,850 – $96,950 | 12% |
| $96,950 – $206,700 | 22% |
| $206,700 – $394,600 | 24% |
| $394,600 – $501,050 | 32% |
| $501,050 – $751,600 | 35% |
| Over $751,600 | 37% |
2025 FICA Rates
| Component | Rate | Wage limit |
|---|---|---|
| Social Security (OASDI) | 6.2% | First $176,100 only |
| Medicare (HI) | 1.45% | No limit |
| Additional Medicare Tax | +0.9% | Over $200,000 (Single) / $250,000 (MFJ) |
Maximum Social Security tax (2025): $176,100 × 6.2% = $10,918.20
2025 401(k) Contribution Limit
| Type | Limit |
|---|---|
| Employee elective deferral (under 50) | $23,500 |
| Catch-up contribution (age 50+) | Additional $7,500 |
Source: IRS Notice 2024-80
Worked example — $75,000 Single, California, no 401(k)
$75,000 salary, Single, California, 2025, no 401(k)
Standard deduction (Single, 2025)
= $15,000
Taxable income
= $60,000
Federal: 10% on first $11,925
= $1,192.50
Federal: 12% on $11,925–$48,475
= $4,386.00
Federal: 22% on $48,475–$60,000
= $2,535.50
Total federal income tax
= $8,114.00
Social Security (6.2% × $75,000)
= $4,650.00
Medicare (1.45% × $75,000)
= $1,087.50
California state tax (progressive on $75,000)
= $3,628.00
California SDI (1.1% × $75,000)
= $825.00
Total deductions
= $18,305.00
Result
Take-home = $75,000 − $18,305 = $56,695/year ($4,724/month)
Verification table
These cases were verified against SmartAsset state paycheck calculators (accessed 2026-02-23) using tax year 2025:
| Gross | Filing | State | Federal tax | SS | Medicare | State tax | Net annual | Source |
|---|---|---|---|---|---|---|---|---|
| $75,000 | Single | CA | $8,114 | $4,650 | $1,088 | $3,628 | $56,695 | SmartAsset ✓ |
| $200,000 | Single | TX | $37,247 | $10,918 | $2,900 | $0 | $148,935 | SmartAsset ✓ |
| $120,000 | MFJ | NY | $10,323 | $7,440 | $1,740 | $5,275 | $95,222 | SmartAsset ✓ |
Note: NY state tax figure uses 2025 NY brackets applied to gross income. Minor rounding differences possible.
What changed from 2024 to 2025
- Standard deduction increased: $14,600 → $15,000 (Single), $29,200 → $30,000 (MFJ)
- SS wage base increased: $168,600 → $176,100 (+$7,500)
- 401(k) limit increased: $23,000 → $23,500 (+$500)
- All federal bracket thresholds adjusted upward ~5.4% for inflation
For 2026 rates and what changed, see US Paycheck Calculator 2026 Rates.