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Roth 401(k) Knowledgebase

Marginal Tax Rate (MTR)

2010 Tax Brackets and Rates (rows are "Tax Brackets")

Tax Rate

Married Filing Joint & Surviving Spouses

Unmarried Individuals

Heads of

Households

Married Filing Separate

10%

$0 - 16,750

$0 - 8,375

$0 - $11,950

$0 - 8,350

15%

$16,751 - 68,000

$8,376 - 34,000

$11,951 - 45,550

$8,376 - 34,000

25%

$68,001 - 137,300

$34,001 - 82,400

$45,551 - 117,650

$34,001 - 68,650

28%

$137,301 - 209,250

$82,401 - 171,850

$117,651 – 190,550

$68,651 - 104,625

33%

$209,251 - 373,650

$171,851 - 373,650

$190,551 - 373,650

$104,626 - 186,825

35%

over $373,650

over $373,650

over $373,650

over $186,825

The table above indicates the tax rate paid on the last dollars earned after all permissible deductions such as the standard deduction and deductions for dependents, mortgage interest and pre-tax contributions to a 401(k) plan, and credits such as the child care credit.

Example: Lower Future Bracket May Not Mean Lower Rate

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