Social Security currently has about nine years until its trust funds are depleted. Beginning in 2035, the program's projected income would only be enough to cover about 83% of scheduled benefits. That would result in a 17% cut to all beneficiaries, unless the government makes some major changes.

If you're currently receiving or soon will be receiving Social Security retirement benefits, here's what to know about which states may tax you.

A lot of people end up relying heavily on Social Security for income in retirement. And unfortunately, folks in that boat often get an unpleasant surprise when they learn that Social Security benefits can be subject to taxes.