Traditional IRA vs Roth IRA - Which is Right for You?

Who is eligible
Traditional IRA Roth IRA
Any person with earned income who is under 70-1/2. Single filer with earned income: eligibility to participate phased out with modified adjusted gross income (MAGI) from $95,000–$109,999.
   
A nonworking spouse under age 70-1/2 who files a joint return that includes earned income. Joint filers with earned income: eligibility to participate phased out with modified adjusted gross income (MAGI) from $150,000–$159,999.
   
  Married, filing separately: eligibility to participate phased out at $10,000.
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Maximum annual contribution
Traditional IRA Roth IRA
The total contribution to all your IRAs is $4,000. If you’re age 50 or older, you can make an additional contribution of up to $500, for a total of $4,500. Same as Traditional IRA, subject to phase-out range depending on modified adjusted gross income (MAGI).
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Phase-out range for deductible portion of contribution
Traditional IRA Roth IRA
Single filer retirement plan participant: modified adjusted gross income (MAGI) from $45,001–$54,999. None of the contribution is tax-deductible.
 
Single filer, no retirement plan participation: contribution is 100% deductible.
 
Joint filer, retirement plan participant: MAGI from $65,001–$74,999.
 
Married, filing separately, retirement plan participant: MAGI from $0–$9,999.
 
Joint filer, no retirement plan participation but spouse is covered by plan: MAGI from $150,001–$159,999.
 
Joint filer, neither spouse is a retirement plan participant: contribution is 100% deductible.
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Tax credit for contributions
Traditional IRA Roth IRA
Through 2006, eligible taxpayers can claim a nonrefundable tax credit for contributions. Same as Traditional IRA.
 
The maximum credit allowed is 50% of the annual contribution amount up to $2,000.
 
Joint filers with a modified adjusted gross income (MAGI) of $50,000 or less, heads of household with a MAGI of $37,500 or less and single filers with a MAGI of $25,000 or less qualify for the credit.
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Federal income-tax treatment on contributions
Traditional IRA Roth IRA
Taxes are deferred until distributions are made; taxable distributions are treated as ordinary income. Contributions are made with after-tax money; therefore, withdrawals from the contribution amount (basis amount) are always tax-free.
 
If nondeductible contributions have been made, each withdrawal is taxed proportionately.
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Federal income-tax treatment on earnings
Traditional IRA Roth IRA
Earnings grow tax-deferred until distributions begin. Distributions are taxed as ordinary income. Qualified distributions are tax-free.
 
Nonqualified distributions: earnings are taxed as ordinary income.
 
Conversions: earnings are tax-free after the conversion amount satisfies the five-year investment period.
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Conversions
Traditional IRA Roth IRA
Conversion to a Roth IRA: allowed, if modified adjusted gross income (MAGI) is $100,000 or less (single or joint) and, if married, taxpayers file jointly. The converted amount is taxed as income, but no penalty applies. Conversion to an education savings account: not allowed.
 
Conversion to an education savings account: not allowed.
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Rollovers
Traditional IRA Roth IRA
To employer-sponsored plans: pretax contributions can be rolled over to a 401(k) or to another qualified plan, as well as to 403(b) and 457(b) plans. However, the receiving plan must accept IRA rollovers. From/to another Roth IRA: allowed.
 
From employer-sponsored plans: eligible pretax and after-tax distributions from qualified plans, as well as from 403(b) and 457(b) plans, can be rolled over.
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Distributions
Traditional IRA Roth IRA
Distributions from contributions and earnings can be taken after age 59-1/2 without penalty. Distributions from contributions can be made any time without taxes or penalty.
   
Mandatory withdrawals must begin at age 70-1/2. Distributions from earnings are tax-free if your initial contribution to the account was made at least five years ago and:
   
Premature distributions are subject to a 10% penalty tax unless you qualify for the following exceptions: you’re age 59-1/2
  you’re disabled
you’re age 59-1/2 you’re purchasing a first home
you’re disabled  
you’re taking substantially equal periodic payments Payments made to your beneficiaries after the five-year period are also tax and penalty free. Payments made before the end of the five-year period are penalty free.
the distribution is for certain medical bills  
the distribution is used for health insurance premiums during unemployment lasting at least 12 weeks Distributions from earnings are not subject to the 10% penalty as long as you qualify for an exception:
the distribution is for qualified education expenses  
the distribution is used to purchase a first home (up to $10,000 lifetime maximum) same as exceptions for Traditional IRAs
   
Distributions to your beneficiaries are also exempt from the 10% penalty. Distributions from a conversion amount must satisfy a five-year investment period to avoid the 10% penalty. This pertains only to the tax-deferred portion of the conversion amount, which was treated as income for tax purposes at the time of the conversion.
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Required minimum distributions (RMDs)
Traditional IRA Roth IRA
Must begin no later than April 1 of the year following the year the taxpayer turns 70-1/2. May be taken in a lump sum or annual payments. No RMD applies before your death. After death, Traditional IRA distribution rules apply for your beneficiaries.
 
All IRA balances are aggregated, but the withdrawals may be taken from only one. However, the contributions/earnings are taxed pro rata.