To amend title XVI of the Social Security Act to update eligibility for the supplemental security income program, and for other purposes.

Supplemental Security Income Restoration Act of 2013 - Amends title XVI (Supplemental Security Income) (SSI) of the Social Security Act (SSA) to increase from $240 to $1,320 (increased for inflation each calendar year after 2015) the first amount of general income per year excluded in determining SSI program eligibility. Increases from: (1) $780 to $4,284 (similarly increased) the...