There Are Limits to IRA Contribution Deductions and Some May Not Be Able to Be Deducted At All

Depending on your tax bracket and if you already contribute to a retirement plan (the box checked on your W2), you may not be able to deduct your IRA contributions. Remember IRA contributions limit for 2015 tax year is $5500 per person.

https://www.irs.gov/Retirement-Plans/IRA-Deduction-Limits