I'm on social Security and owe no tax and will not get a refund. Do I still need to file a federal return?
It depends on whether you received income other than Social Security benefits, your age, and your filing status.
Take a look at the following TurboTax article for more information and use the table as a guide based on your income and filing status to determine if you are required to file a return:
Do I need to file a Federal return this year?