IRA: Joint Filing
What is
your Modified Adjusted
Gross Income?
Under $75,000 $75,000-$85,000 $85,000-$150,000
$150,000-$160,000 Over $160,000  
When contributions are allowed, the limits for those age 50+ are $1000 higher.
You may contribute to both a Traditional IRA and a Roth IRA, however, the aggregate contributions per person cannot exceed the $4,000 contribution limit per year. All Roth IRA contributions are non-deductible.
These charts are intended to act as a guide in summarizing the IRA contribution rules.
As with any retirement planning or tax issues, your tax advisor may offer valuable information.