No,
if Social Security benefits was
you and your wife's only income in 2017, you all do not have to file an income tax return. However, if any of you received any additional income from other sources then,
you would have to pay federal income tax on part of your benefits.
Here’s a link to the IRS website with more information
on SSA-1099: https://www.irs.gov/newsroom/are-social-security-benefits-taxable
Please see FAQ, for additional
information on SSA: https://ttlc.intuit.com/replies/3299920
