If don't have a W-2 that has box 13 Retirement plan marked and you made no self-employed retirement contributions, you are not an active participant in a workplace retirement plan and a traditional IRA contribution will be deductible.
march4666, your IRA contribution is limited to your compensation. Your pension payments are not compensation.
TurboTax will automatically determine if any of the amount that you enter is an IRA contribution is an excess contribution and will automatically determine the amount that is deductible.
